The bit bodies have a non-stick coating for easy resin removal. The article does discuss securing your work, but perhaps it didnt stress the importance of it enough. 16J7508 - 1 1/2" x 1/2" x 1/4" 45 Lock Miter Bit, 18J7508 - 1 1/2" x 1/2" x 8mm 45 Lock Miter Bit, 16J7562 - 1 3/4" x 3/4" x 1/2" 45 Lock Miter Bit, 18J7562 - 1 3/4" x 3/4" x 8mm 45 Lock Miter Bit. Additionally, it will provide extra gluing surface resulting in an extremely strong and durable joint. If you have an account, sign in with your email address. Overall Length: 2-7/16 inch (62mm) and 2-5/8 inch (67mm). Shielded, high-RPM-rated bearings have special lubricants for mar-free routing. Each includes an advanced polymer friction-fit holder that can be mounted horizontally or upright. I purchased the set-up block, but it didn't save me from having to carefully follow the instructions in the YouTube video. Lock Miter Instructions (PDF) Set-Up block sold separately. Got the minimum desired squeeze out at the 90 degree inside and outside edges making for a very tight looking edge. {{price.Quantity}}+ {{price.FormattedPrice}}. Highly recommended!! Two flute carbide router bit cutters and 1/2" shanks. Save 5% with coupon. Adds more glue area for a stronger mitered joint that's easier to keep square during glue ups. You may also return purchases to a Rockler store near you for store credit. And, it didn't work because the vendor provided no instructions regarding its use. The next time it will go somewhat quicker, but still takes over an hour to set up and run test passes. We would like to show you a description here but the site won't allow us. JavaScript seems to be disabled in your browser. is it possible to make the cut in stages, to relieve the stress on the router, Question by: Lers Luck on Jul 28, 2019, 7:03 PM. ). There are alternative set-ups but the block is easiest. Requires a minimum chuck size of 1/2 in. Additionally, it will provide extra gluing surface resulting in an extremely strong and durable joint. To set the fence, simply set your stock against the fence on either side of the bit, and position another board so that it touches the two outside faces and bridges the bit, as shown above. Easily Set Up a Lock Miter Bit - YouTube 0:00 / 6:25 Easily Set Up a Lock Miter Bit Walnut Workshop 21.1K subscribers Subscribe 72K views 2 years ago Using this method you can set up. A shipping surcharge applies in addition to our regular shipping and handling fee. Ideal for Angled Edges, Clean Edge or Decorative Pieces, Yonico Chamfer Router Bits Bevel Edge Forming 45 Degree 1/4-Inch Shank 13915q, Freud 40-104: 1-11/32" (Dia.) Like all of our Infinity Tools brand router bits, these cutters are made from premium raw materials and are manufactured to exacting standards of quality. If for any reason you are not satisfied with the merchandise you ordered, just return it within 90 days to receive a refund in the manner of original payment for merchandise only. Additionally, lock miter cuts will provide extra gluing surface resulting in an extremely strong and durable joint. } Ran the other two through face up in three passes. Easy to Create Lock Miter Joint Brand: MNA 170 ratings $3157 FREE Returns Size: 1/4 Inch About this item American industry classification C3 Carbide. 0:00 / 20:08 Lock Mitre Router Bits Acutabove Woodworking 56.3K subscribers Subscribe 4.7K 186K views 3 years ago Router Work On this week's show, I explain and demonstrate the setup of the. The Lock Miter Sr. router bit (55-503) cuts perfect 45 joints in stock from 5/8" to 1-3/ . Makes a perfect matching, strong tongue and groove joint. ), Mark a centerline on your test stock. Unfortunately not, because of the size and weight of the cutting head, the 1/4 inch shank is just not strong enough to support it during operation - it will bend and bow over time from the forces subjected on it, making it dangerous to use. Warning: Make sure the router bit is properly fastened and tightened in the routers collet and the bit can rotate freely without any obstructions. MNA 45 Degree Lock Miter Router Bit 3-Piece Set, for 1/2", 5/8", 3/4" Cutting Height, 1/4 Inch Shank. (Note: Dont erase the lines on the fence. Use leftover stock from the setup sequence to ensure an exact match. I use this bit with a router table to make edge joints for small boxes and frames. 3. . Average Customer Rating: (11 reviews)
Log In. With fence in place, set the center of the stock to the center of the miter bit. The Lock Miter Master Jigs require virtually no test cuts. 10% OFF JET BANDSAWS PLUS FREE SHIPPING - MARCH 3-12, Home Don't forget to order Kwik Blocks for easy setup. They are precision-milled with laser-engraved reference lines that make it easy to set the bit and fence for perfect cuts. This saw was significantly lighter to maneuver than some of the other 12-inch miter saws we were comparing it to, weighing in at around 60 pounds. Expect to receive your order within 7-14 business days, depending on where you are in the world. Oneworkpiece is run vertically and the other horizontally against the fence. Would it be possible to cut a short 45 into the leading edge of the boards and then stop route the miter lock bit cut? Thanks. I especially like the explanation of the necessary jigs and rails. STOCK * (For Lock Miter Joints) See pages 26-27 for instructions on how to use these bits. This is the best article I have seen on this subject. Cutting Length: 1/2 inch (12.7mm) and 3/4 inch (19mm) Eagle America 45 Degree Lock Miter Router Bits produces extra strong miter joints in boxes, beams, columns, and cabinet face frame corners. TIP: The secret to success with this bit is to make sure the center line of your work-piece is aligned to the midpoint of the lock miter pro-file. Nos dedicamos a la . Lock miter router bits 8/955.503-504 These are the ultimate bits to craft sturdy miter joints thanks to anti-kickback design and tough tungsten carbide cutting edges. Align the center of the cutter with the center of the stock when the stock is in the horizontal position and in the vertical position. We wont share your address with anybody else. Our patented Lock Miter Master Jigs are a precisely-machined setup aid for use with lock miter router bits in your router table. Lock Miter bits are designed to create corner joints at a 90 angle where the apex of the joint is barely visible. After those many runs with a hard material I would have expected to have to order another bit but nope! Real Value for Money For the best experience on our site, be sure to turn on Javascript in your browser. Choose an option to view item availability. Power tools are limited to manufacturers' warranty. However, I find that setting the fence now eliminates the hassle of a second round of test cuts. The 45 Degree Lock Miter Bits from Whiteside are some of the most useful bits in your shop. Setting the bit requires some trial and error. Two flute carbide cutters & 1/2" shank. Depending on the quality of the plywood the tongue will often break off. Set comes in a solid wood storage case. Additionally, it will provide extra gluing surface resulting in an extremely strong and durable joint. - Quick and Easy to assemble cut workpiece on the job site or in the workshop. Read more Features Creates remarkably strong interlocking joints Best for hardwood and softwood, also routs plywood and composites Youll receive a one-time email when this item is back in stock online. The largest miter lock bit has a 2-3/4" diameter and is suited for up to 1" thick stock. Initial practice with the lock miter bit found a risk of damage to the stock when the large low speed bit encounters wood grain at non-optimum angles. Found the set up guide blocks useful. What RPM should I use? Finest Micrograin Carbide up to C-4 grade with tips up to 1/8" thick for longer life. Note: To make setting the cutter height easy and fool-proof (Applicable for Item 22627), use the Rockler Router Bit Set-up Jig (53817, sold separately) to center the bit on your stock. Attach a rail to the backer, and use the jig to guide the piece past the bit and control tear-out. Can it be used with a hand drill? Don't skimp on quality when buying cutting tools. The interlocking 45 miter lock cuts will produce extremely strong joints without having to struggle to keep boards in place during clamping. Just make sure to clamp it tight. . Simply set the center of the stock to the center of the bit. I got back to the job set the bit up in table and ran two pieces. To accomplish this on the face-to-fence half of the joint, the distance from the bits outermost perimeter to the fence must be equal to the thickness of your stock. Lept to a 7 foot long cut in walnut for box beams for a king size bed. Still as sharp enough to go afew more rounds! You may need them to redraw a fresh line on your bit. Our Lock Miter Jr. router bit (55-502) is designed to work with stock from 3/8" to 3/4" thick. This is called the "off-set" and the resulting number is "M" (M, the Magic Number). I would like to get the Sr. 45deg. The bits are not designed to work like that. For the best experience on our site, be sure to turn on Javascript in your browser. We noticed you are accessing from Canada. For routing solid hardwood or softwood on table mounted routers or CNC machines only. The store will not work correctly in the case when cookies are disabled. How to use the Lock Miter Bit - YouTube 0:00 / 8:39 How to use the Lock Miter Bit Juan Manuel Lozano 5.93K subscribers Subscribe 121K views 3 years ago HOUSTON #lockmiter #miterlock. Single-piece, SOLID STEEL Bodies, not just a mere sand casting. Although skeptical at first, I was amazed at the simplicity of setup using the setup block on 3/4" and 1/2" pine & poplar boards and 1/2" birch plywood. My method is a lot easier on the eyes and nearly fail-safe. We recommend the Lock Miter Sr. for material 3/4" to 1-3/16" thick. When the pieces fit together like they should, youre ready to lock together your first corner. (Red Lodge MT US). Lock Miter Router Bits; Item # . This assures bit is centered on the workpiece. Use the miter end of the set-up block with the flat edge for 1/2" stock and the full 45-degree miter end of the set-up block for 3/4" stock. Use the reversible 45 lock miter glue joint router bit to join boards at 90. The Kick-Back Reducing delivers a precise cut ideal for creating interlocking joints. MDF and plywood are not recommended. By Michael Barsky
Manufacturer guarantees/warranties for power tools, CNC and laser products will supersede the Rockler Guarantee if these items are damaged or defective. Question by: Chris Twardowski on Dec 29, 2022, 3:59 PM. For better safety, the 45 lock miter bits should be used only in a router table equipped with a fence and not used free hand. Needed the setup block, customer service, which was great, they even emailed articles, and many, many test pieces later got perfect lock miter joints and solid legs. Now adjust the routers cutting depth so that the two lines meet. Article_-_Fine_Woodworking_Magazine_Lock_Miter_Master_Jigs, Article_-_Woodsmith_Magazine_JessEm_Stock_Guides, https://www.infinitytools.com/routing/router-bits/carbide/joinery-router-bits/lapped-miter-joint-router-bits-3149, Triton 3-1/4 HP Dual Mode Precision Plunge Router; TRA001. When positioned properly, one miter bit will cut both pieces of stock without having toadjust the bit. I ran two of the pieces through on edge in three passes, both sides. Then, cut one piece horizontally and the second one vertically. This joint not only increases mechanical strength, but also increases glue surface area and automatically aligns parts. This saw narrowly missed making our top three because of its shorter reach, which prevents it from cutting lumber of the same size. Eagle America assumes no liability for damages or injury caused by misuse. Shop LEATBUY Router Bit Set 1/2 Inch Shank, Matched Router Bits + 45 Degree Lock Miter Tongue Groove Set, Wood Milling Cutter Drilling Carbide Tool For Door Table Cabinet Shelve Wall DIY Woodwork(1/2-Edge). Answer by: Customer Service on May 29, 2018, 9:14 AM. When positioned properly, both pieces can be run without having to move the bit. By Peter A Butzin
If you dont mind milling stock to match the bits cutting capacity or dont foresee the need to use the bit on stock thicker than 34" hardwood plywood, you might consider starting out with a smaller-sized bit. Joinery Router Bits Rockler 45 Lock Miter Router Bits - 1/2'' Shank Rockler 45 Lock Miter Router Bits - 1/2'' Shank Adds more glue area for a stronger mitered joint that's easier to keep square during glue ups. Which bit would work better with 3/4 stock the sr. or jr. Get notified via email when this item is back in stock online. The interlocking 45 cuts will produce extremely strong joints without having to struggle to keep the boards in place during clamping. Check sheet goods with calipers before you commit. Rockler 45 Lock Miter Router Bits - 1/2'' Shank Rating: (189) Starting At: $8999 Add to Cart Router Bit Set-Up Jigs for 92112 and 92123 Drawer Lock Bits Rating: (14) $799 Add to Cart Router Bit Set-Up Jigs-Rail-and-Stile Bits Rating: (88) Starting At: $999 Add to Cart Rockler Drawer Lock Router Bit - 1" Dia x 1/2" H x 1/2" Shank Rating: (130) No, the 45* lock miter router bits are only available with 1/2" shanks. When a board is riding on the table, the rail keeps the piece from tipping into the bit at the beginning or end of the cut. Perfect the first time, incredibly easy to set up. I was given a 45 degree lock miter bit for my shaper and I was wondering if there was any information on how to set the bit height for making corners that will fit. Sandwiching the board between a set of rails keeps it from tipping. Provide superior wear resistance and sharp edges for the best finish. Tungsten carbide maintains its hardness at high temperatures and holds an edge far longer than high-carbon or high-speed steels. Despite these advantages, using this trick bit can be tricky. Whether you are a Tradesman, Enthusiast or DIYer mastering the Lock Miter will ensure you'll be creating stunning pieces of furniture, drawers and casework for years to come. Machining a joint presents additional challenges. JavaScript seems to be disabled in your browser. For both cuts, the rails protect the knife edge, allowing you to exert more pressure on the outfeed end without the risk of crushing the edge or end. 3/4" to 1-3/16" is correct, the catalog will be corrected for the typo. Perfect-fitting lock miters almost always require a little dialing-in. Carbide honed with a 600 grit diamond wheel to a razor sharp mirror finish edge. Easy set-up. The bit bodies have a non-stick coating for easy resin removal. Lock Miter Router Bits; Item # Thickness of Stock: Shank Size: Set-Up Block: Price . With these jigs you can quickly and easily set the proper bit height and fence position for precise-fitting lock miter joints. A chamfer can also be cut to remove some of the bulk before running the lock miter which would save some wear and tear on the bit. This article is from Issue 60 of Woodcraft Magazine. High hook and relief shear angles with wide open gullets for easy chip ejection. I was very happy with the outcome. When the mating board is fed with the boards face flat against the fence, the rail provides a wider balancing point. I used a drum sander to remove the excess after the miter .. avoided risk of snipe on the planer .. got a knife edge. Always make a test piece whenever you do a machine setup. The interlocking 45 cuts will produce extremely strong joints without having to struggle to keep the boards in place during clamping. Once again, rails can come to the rescue. Two flute carbide cutters & 1/2" shank. Our Lock Miter router bits (and our set-up blocks) create strong, accurate miter joints for a wide variety of applications! --> Additionally, lock miter cuts will provide extra gluing surface resulting in an extremely . Smaller bits (2" in diameter) can miter edges from 38"-thick up to ". But since you mentioned chatter, the problem may have to do with your hold-downs. Each includes an advanced polymer friction-fit holder that can be mounted horizontally or upright. Answer by: Customer Service on Jul 30, 2019, 8:49 AM. When I ran them through the router table as described, the cuts were very chattery and the fit was poof all around. (1) Rockler 45 Degree Lock Miter Router Bit. They slid right together and were perfectly square. MNA 45 Degree Lock Miter Router Bit 3-Piece Set, for 1/2", 5/8", 3/4" Cutting Height, 1/4 Inch Shank. The recommended speed would be around 18k rpm. function createNewReviewWindow (where) One overlooked advantage to a smaller bit is its versatility. The interlocking 45 miter lock cuts will produce extremely strong joints without having to struggle to keep boards in place during clamping. No necesita pagar el flete, solo tiene que pagar el precio del producto. - Dave Moodie Tim Inman: I think trial and error is the best bet for you here. 16J7508 - 1 1/2" x 1/2" x 1/4" 45 Lock Miter Bit, 18J7508 - 1 1/2" x 1/2" x 8mm 45 Lock Miter Bit, 16J7562 - 1 3/4" x 3/4" x 1/2" 45 Lock Miter Bit, 18J7562 - 1 3/4" x 3/4" x 8mm 45 Lock Miter Bit. anyone know what went wrong? Answer by: Chris - Customer Service on Oct 8, 2021, 2:17 PM. 4.6 (65) $1099 - $2098. I used this to make legs for a 10"w x 36" long x 11" deep cypress planter out of 7/8" stock that my wife wanted 36' high on casters. Virtually anywhere you could use a miter, you could use a lock miter bit to create a beautiful joint that is strong and very easy to assemble. When positioned properly, both pieces can be run without having to move the bit. By Ken Rupkalvis
You certainly can cut lock miters by adjusting the fence and making multiple passes. The clamped-on track allows the use of a commercial featherboard. Can you slide this joint together? Bigger isn't necessarily better. The jigs attach securely to the lock miter router bit with rare-earth magnets. Had early problem with glue-up. For better safety, the 45 lock miter bits should be used only in a router table equipped with a fence and not used free hand. Each includes an advanced polymer friction-fit holder that can be mounted horizontally or upright. If you have problems you may want to consider a lapped miter router bit set which is better suited to plywood. Cutting Angle: 45 degrees Shank Diameter: 1/2 inch (12.7mm) Cutting Length: 1/2 . For international returns, please click here. For better safety, the 45 lock miter bits should be used only in a router table equipped with a fence and not used free hand. When positioned properly, the bit will cut both pieces of stock without having to adjust the bit. Mastering The Lock Miter: Simple Steps For Airtight Joints. Use hold-downs and a pushblock to keep stock against the table and fence. Odds are good that the centerline lies somewhere along the edge. Is the Lock Miter Router Bit available with the 1/4 inch (6.35mm) shank? MDF and plywood are not recommended. Steel is heat treated up to 3 times, and tested up to 45 RC hardness to guarantee against breakage. Next, set up hold-downs (guide rollers or featherboards) on the infeed and outfeed fences. See how you can get free standard shipping. Then, cut one piece horizontally and the second one vertically. Then, dial back if needed to find the sweet spot. My first real project, a stand for the MLCS Dovetail Jig #9094,found under the MLCS Projects heading, came out perfectly. Each includes an advanced polymer friction-fit holder that can be mounted horizontally or upright. All of the corners are square and very strong. Now, adjust the fence so that the bottom edge of the bits cutting edge grazes your bridge. Then, cut one piece horizontally and the second one vertically and the joint should line up perfectly. Question by: George R on Aug 1, 2018, 4:46 PM. Starting at Now that its properly set, a lock miter bit can make quick work of edges or ends. The 2 bit system joins material at 45 by cutting a 221/2 miter. Machining parts with the Lock Miter Bit is easywith the bit height set, one part is cut horizontally on the router table, while the corresponding part is cut vertically. Free delivery and returns on all eligible orders. Agree, 45 Degree Lock Miter Router Bits | Eagle America, Lock Miter Router Bits | MLCS Woodworking, Returns of non-defective merchandise as determined by our staff are subject to a 10% restocking fee (minimum restocking fee $2.00). I do woodworking as a hobby and the bit worked wonderfully. Simply set the center of the stock to the center of the bit. FREE delivery Thu, Mar 9 . Use the reversible 45 lock miter glue joint router bit to join boards at 90. Product Instructions Request a Catalog. I have just finished using the one that I had purchased and have had terrific results. For remote locations it will take a little longer as our shipping partners need to travel just a bit further. 45 Degree Lock Miter Router Bits 2 pc Set | Eagle America. Its hard to tell what went wrong without seeing your setup. - Perfect for cabinet framing, drawers, four sided planters, boxes, shadowboxes, columns, hollow beams, fine furniture framing and much, much more. Initial test cut in 3 multiple passes gave a perfect fit on each test. -
Then, dial back if needed to find the sweet spot. It is so much easier and effective for making the 90 degree corners on all pieces of wood. Choosing a selection results in a full page refresh. I completed 46in of cut when my 2 1/4 Hp router burnt out. Completaremos la entrega en un plazo de 5 a 10 das a partir de la generacin del pedido. (For the first time or two, you may want to prepare twice that amount.) FREE delivery. Carbide Lock Miter Router Bit features Tri-Metal Brazing for strength and impact resistance. Decrease quantity for TimberLock 45 Lock Miter Router Bit - 1/2" Shank, Increase quantity for TimberLock 45 Lock Miter Router Bit - 1/2" Shank, Step-by-Step Set Up Instructions: PDF Download. Material - Body: Tungsten Cobalt Alloy 99. FOR WOODWORKERS : Become a master in creating drawers, boxes or even hollow columns with the help of this 45-Degree Lock Miter Router Bit! Set up hold-downs on the infeed and outfeed side of your fence, and rout the edge, as shown in Photo A. I have a lot of miters to cut in 13/16 and 5/8 and wanted to avoid needing both bits if possible. I have the exact bit and tried using it to make 2 1/2" chair legs in white oak. Can the lock miter sr cut miters in 5/8-11/16 ok? Rails offer a larger bearing surface. Follow Woodcraft on Facebook (opens in a new window), Follow Woodcraft on Twitter (opens in a new window), Follow Woodcraft on Youtube (opens in a new window), Follow Woodcraft on Pinterest (opens in a new window), Follow Woodcraft on Instagram (opens in a new window), Follow Woodcraft on TikTok (opens in a new window). If the sweet spot cannot be achieved within 5,000 RPMs of the max, check the collet for residue or other debris and start over. The sweet spot is the speed at which the least resonant vibration is present. I was skeptical about it working on a long surface, but man was I surprised. For better safety, the 45 lock miter bits should be used only in a router table equipped with a fence and not used free hand. You don't need to read the manual over and over again or memorize certain steps to get parts of it working. The interlocking 45 cuts will produce extremely strong joints without having to struggle to keep the boards in place during clamping. (I bought the lock miter bit in the hopes that I could shorten the set-up time.) - Ensures your miters won't come apart with the interlocking profiles and increased gluing surface area. Free Standard Shipping on Orders Over $40. Run both workpieces and fit together. I used it to miter LVP around stairs as the stair nose system that came with the product was absolutely ugly. Get the best deals on Lock Miter Router Bits when you shop the largest online selection at eBay.com. FAQ | Quick Order | Track | Router Bits & Woodworking Products. Then, cut one piece of stock horizontally and the second one vertically. Rockler Woodworking 45 Degree Lock Miter Router Bit Setup Jig: Set your 45 degree lock miter router bit to the precise height every time for accurate lock router miter joints! Choose an option to view item availability. To save others grief, I found the best instructions in the following YouTube video: https://www.youtube.com/watch?v=hsPBLvPuBNE&t=966s
To rout the face-to-fence half of the joint, youll need a different jig. This way, you are not producing a sharp edge to ride on the out feed fence. Items shipped directly from the manufacturer cannot be returned in store. Also, if you are milling your own wood to thickness, I recommend that you leave a sixteenth or so on the thickness before routing the lock miter. We take safety seriously and only supply the best. (To do this, I ran a marking gauge along the top and bottom faces of the board and adjusted the bar until the cutter made a single line.) All Rights Reserved. Simply bring the router bit up through the table and align the woodworking jigs with the cutting edge of the bit. It's rock solid after glue up and very square off the router. Nuestros productos estn en stock. The front, sides and back interlock and make a joint of unprecedented strength. Chad McClung, chief editor, Woodcraft Magazine. No, they are designed to be used in a 45 deg miter joint. To set up, get scraptimber that is the same thickness as your intended work piece and set the centre line of the bit with the centre line of the workpieces. Included in this set are two Lock Master Jigs that pair with the Lock Miter Sr. & Jr. bits. Loss or damages are limited to full refund of purchase price only. It has an optimal shear angle and extra-thick tips to give you the unmatched . After following the instructions to the letter, I can't fault the bit, which provides clean miter joints. I have a panel I would like to miter on three sides. Good luck. The rail makes the board easier to balance as its fed past the bit. The Yonico 15334 lock miter set includes 3 of the most popular lock miter bits for a range of stock sizes. Picked this up today, because I needed to assemble a banister I made out of 4 raised panels, that were 6 1/2x28. Tracking numbers are provided for all orders, we also keep track of your order progress and update you if there are any changes or delays. Set the piece on your router table alongside the bit. Using the photos as reference, make the jigs like those shown below. Our professional/industrial grade bits have tungsten carbide inserts ground on CNC (Computer Numeric Control) machines using 600x diamond wheels. Lock miter bits are frequently used when making boxes, drawers, and other casework. We hate backorders too. You won't appreciate the strength of this essentially hidden joint until you make your own. Shank Diameter: 1/2 inch (12.7mm) Delivers a clean, precise cut ideal for creating interlocking joints. I have since replaced it with a 3 1/4 Triton. The increased long grain gluing surface also helps to strengthen the joint over a basic rabbet or butt joint. For credit card orders, backordered items will not be charged to your card until the item ships. Note: Lock miter bits only work properly on solid wood. Add to cart. Copyright 2023 Eagle America. Measure the distance between the two lines, divide the amount in half, and then draw a centerline on the fence and the bit. In woodworking circles, the lock miter is often referred to as a trick bit. By a feat of geometric genius, the bit creates both halves of a mitered cornercomplete with interlocking tongues and grooveswith a single router table setup. To rout the face-to-tabletop half of the joint, tack a rail and handle to a backer. If you want to build a table leg made from 4 pieces of wood this is the answer. I attached a pair of rails to my backer. By continuing to browse, you accept our Privacy Policy. Basically this bit survived around 40 runs thru pressboard which is much harder than wood. All MLCS products have a 3-Year Guarantee. The setup block was nice but not 100% necessary. Thanks. Is the Lock Miter Router Bit available with the 1/4 inch (6.35mm) shank? Note: Lock miter bits only work properly on solid wood. Minute adjustments may be necessary. (Note: In order to secure the workpiece and control blow-out, the backers must be the same thickness as your workpieces. Answer by: Customer Service on May 30, 2018, 10:02 AM, Question by: Oscar Benitez on May 27, 2018, 6:53 PM. Amana Tool RC-1045 V Groove Router Bit CNC Insert 45 Deg x 7/8 CH x 1/2 Inch Shank, Miter Fold Blade, Signmaking and Lettering, 1/2" Router Bit 45 Degree Glue Joint Lock Miter, APlus Woodworking Cutter Tools Set, 3 Pcs, Meihejia 1/4 Inch Shank 45 Degree Chamfer Router Bit Set - 4 Sizes, Whiteside Router Bits 2305 Chamfer Bit with 45-Degree 5/8-Inch Cutting Length, ROOCBIT PRO Flush Trim Router Bit(6 Flutes) Replaceable Blade Double Bearing Flush Trim Bit 1/2"Shank, 2 Inch (52mm) Cut Length, Wide Selection Of Cutting Tools And Accessories, 1/8" CNC Router Bits CNC End Mills 3.175mm, All customers get FREE Shipping on orders over $25 shipped by Amazon. For these items, please call the store where you purchased them or our customer service department at 1-800-376-7856 so we can assist you. Backordered items will be shipped with no additional shipping charge (in the contiguous USA). Novice woodworker here. Chamfering the edge beforehand saves wear and tear on both the router and bit and produces a cleaner cut.). In this case, some detective work is in order.