Receive Free Shipping Every Day on Orders of $35 or More. Click Here to Learn How!
Receive Free Shipping Every Day. Click Here to Learn How!

Includes one arbor, two 22mm bearings, and two cutters. Make a Groove bit (shown) or a Tongue bit by attaching the second cutter. Zoom

See it in action:

DIY Lawn & Garden Storage Shed: Part 2

Rockler Tongue and Groove Router Bit - 3/8" Dia x 1/4" H x 1/2" Shank

Item #: 92145
Convertible arbor can be configured to cut both the tongue and groove for 3/4" stock.
In Stock
Sign up for price alert Add to Wishlist Find in Store


This arbor includes two slotting cutters, two bearings and a pack of shims that allow you to configure and adjust the cutter for perfectly fitting tongue and groove joints. Use it to machine flat panel doors and cabinet panels, to create tongue and groove wainscoting, or just for edge joining long boards or cabinet components. The guide bearings make it easy to get a consistent depth of cut, and also allow you to machine joints for curved parts.

  • Designed to cut a tongue and groove joint for 3/4" stock. 
  • Depth of groove is 3/8".
  • Ball bearing guide lets you follow the material. 
  • Includes one arbor, two 22mm bearings, and two cutters.
  • Shim pack lets you adjust the fit for the strongest glue joint.

What's included

Rockler Tongue and Groove Router Bit Set

(1) Arbor with 1/2" Shank

(2) 22mm Guide Bearings

(2) 1/4" Slotting Cutters

Technical Details

  • Brand: Rockler
  • Weight (lbs): 0.3500
  • Bit Type: Tongue & Groove
  • Diameter: 3/8"
  • Cutter Height: 1/4"
  • Shank Size: 1/2"
  • Flutes: 2

Product Warnings

WARNING Cancer and Reproductive Harm. For more information go to

Technical Downloads