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CraftsmanCapitol™ Premium Tongue and Groove Adjustable Router Bit with 45 Degree Lock Miter Router Bit Set

  • 100% high-quality made & ship from USA. 
  • We are proud to be a craftsman, proud to be an American. We pride ourselves on quality made craftsmanship.
  • Simple, saving time and no more hassle with your project.

This router bits set suitable for solid wood, particleboard, MDF, plywood etc. Great for making a wood drawer, window, cupboard or other woodworking projects. The cut is very clean and everything fit together perfect; For home improvement or store construction, it's difficult to refuse this bit set, saving your time and energy, creating your dream home environment with it.

The Premium 45° Lock Miter Router Bit creates interlocking fingers that provide a strong mechanical locking action that makes woodcraft such as frame, cabinet, wardrobe or even closet project much easier to clamp. There is no tendency for the joint to slide out of alignment under clamping pressure, and the wedged tenons tighten up nicely for a strong corner joint.

The increased long grain gluing surface also helps to strengthen the joint over a basic rabbet or butt joint. Machining parts with the 45° Lock Miter Router Bit is easy—with the bit height set, one part is cut horizontally on the router table, while the corresponding part is cut vertically. The bit is ideal for joining drawer boxes, cabinet parts, and for building 4-sided columns.

*How To Make Lock Milter Tutorial

Product Description:

  • Heavy Duty Lock Miter: Made of high-quality hard alloy steel by heat treatment, heat-resistant Teflon coating, the blade is sharp and smooth
  • 45 Degree Lock Miter Designed: T Shape wood milling cutter, prevent building-up of sawdust, resin & pitch
  • Compatible Tools:Designed for a router table or desktop woodworking engraving machines like CNC hand-held and table-mounted portable router, cannot be used in electric drill & drill machines
  • Use Range:Suitable for woods, MDF, particle board, plywood compact panel; Avoid cutting ferrous metal and non-wood materials, such as steel, iron, sand, etc.


  • Material: Cemented Carbide.
  • Color: Silver & Yellow.
  • Cutter: CNC ground to a 600 grit, mirror-like finish.

Safety instructions:

  1. Razor blades permanently enclosed in a cartridge or housing with less than 2mm of blade exposed.
  2. The bladed product is not used for people under 18 years.
  3. The item is only for industrial cutting/engraving, not hazardous articles.
  4. Please wear goggles and use ear protection equipment when working.
  5. Avoid getting your body or clothes close to the tool when using.

Matters needing attention:

  1. Always notice to add some Coolant (like water) when operating, in case the material temperature will get very high even get smoke because of the long time operating.
  2. The tool must be fully inserted into the casing and tighten firmly, otherwise it may lead to fracture caused damage to the tool shank.
  3. Different shank router bit work with different RM.

Package Includes:

  • 1x Tongue Router Bit 1/4’’ Shank
  • 1x Groove Router Bit 1/4’’ Shank
  • 1x 45°Lock Miter Bit 1/4’’ Shank

Shipping Notice:

After 3-5 business days, if your order is not shipped yet, this is because we are preparing the stock due to the high demand for some items. Rest assured your order will be shipped early next week from our warehouse in Chicago, Illinois. 

If you need more information with your order, don't hesitate to contact us, we are more than happy to help.

We believe & care about our customers happy. We stand behind our words, take high responsibility on your order, and ensure it arrives on time in the highest quality.


After placing your order, our efficient Production Team will prepare, pack and ship your order with utmost care within 1-2 business days (in the unlikely event it can take more 3-5 days with high volume items to cause we need time to restock, don't worry, our team is working on it).

Then this following shipping time will be applied:

United States:
USPS Domestic Shipping: 2-5 business days

Canada, Europe, Australia, New Zealand:
International Express Shipping: 7-10 business days

Other Countries:
International Express Shipping: 10-20 business days

100% Satisfaction Guarantee

We offer a 100% Satisfaction Guarantee. We will refund your money if you are not satisfied with your order due to the company's fault. This is to ensure to provide a risk-free shopping experience and make sure that the offer is not taken advantage of.

In the unlikely event that your order hasn't arrived within 30 days (due to lost mail, etc.) please contact us and we will resend your order or refunds 100% money.