45° Lock Miter Bit – 3-in-1 Panel Joint Cutter (1/4″, 8 mm & 1/2″ Shanks)

This industrial-grade 45° lock miter bit, the solid carbide construction and precision bearings deliver smooth cuts and long tool life, making it ideal for hardwoods, plywood, MDF, and decorative panels.

Key Features

• 45° Lock-Miter Profile:
  Produces strong tongue-and-groove joints with a seamless 45° angle for picture-frame assemblies and panel joinery.

• Three Shank Sizes:
  Comes with 1/4″, 8 mm, and 1/2″ shanks for universal compatibility across various routers and CNC machines.

• Separate Tongue & Groove Cutters:
  Eliminates bit change-overs—simply swap the matching cutters to transition between tongue and groove operations quickly.

• Tungsten steel Construction:
  Premium tungsten steel tips brazed onto steel bodies ensure exceptional wear resistance and lasting sharpness under high-speed cutting.

• Precision Ball Bearings:
  Fully enclosed guide bearings maintain consistent bit alignment and protect against dust ingress, ensuring even cuts and reduced deflection.

• Anti-Kickback Design:
  Optimized flute geometry reduces vibration and prevents tear-out when working with hardwoods and plywood.

Specifications

Applications

• Panel Edge-Jointing:
  Create seamless, angled joints for cabinet doors, picture frames, and decorative panels.

• Furniture & Cabinetry:
  Produce robust tongue-and-groove connections in hardwoods, plywood, and MDF for drawer fronts, face frames, and shelving.

• Flooring & Panel Assembly:
  Fast assembly of wood or laminate flooring panels and interlocking wall panels with precise 45° mitered joints.

• DIY & Prototyping:
  Ideal for small shops and makerspaces where quick change-overs and multi-angle jointing boost productivity.

Usage Tips

1. Setup: Secure the router to the desired depth; install the matching tongue or groove cutter and shank.

2. Test Cut: Always make a trial cut on scrap to verify joint fit before milling final workpieces.

3. Feed Rate: Use a steady feed speed; avoid forcing the bit to maintain edge quality.

4. Maintenance: Clean bearings and flutes after use; sharpen carbide tips on a diamond wheel as needed.

5. Safety: Use proper eye and hearing protection; always clamp workpieces securely.