Lidsters CLD200225 3/8" Piloted deburring edge rounding cutter c/w Depth Ring

Interchangeable Type Modular Cutter for M8x1 connections. Depth Ring is retained with 3 x Hex socket grub setscrews. 0.345" Depth Ring Width. 3/8" Min Hole Depth. Radius of Cutting edge r = 1mm.

eBay