Cmt Counterbored Screw Slot Router Bit - 12.7 Dia X 24.2mm Cut X 1/2 Shank from Westcountry Machinery 4 Wood
CMT 913 Screw Slot Bit -TCT- S-8 D-4.36/11.1
ENT 09003 3-pcs. T-Slot Router bits in a Set M5 M6 M8, 8mm Shank (S) Carbide Router bits, T-Slot Profiles for hex Bolts with Metric Thread, CNC Router ...
Screw-Slot Bits - Lee Valley Tools
Cmt Counterbored Screw Slot Router Bit - 12.7 Dia X 24.2mm Cut X 1/2 Shank from Westcountry Machinery 4 Wood