Timberline 608-148 HSS Countersink 9/64 D with Quick Release 1/4 Hex SHK for #12 Size Screw
1/4" Hex Shank design for Quick Release.
Individual High-Speed Steel (HSS) countersinks designed for screw sizes #4-12, includes HSS M2 fully ground drill bit. Adjustable to control the depth of countersinks.
Unit Pack: Individually Carded