5/16" UNF HSS L/H Second Tap M6x40 ZP 10.9 Cutter diameter 6mm BLOCKDUALMF
Yard notes & kiln story
Description
5 16" UNF HSS L H Second Tap M6x40 ZP 10.9 Cutter diameter 6mm BLOCKDUALMF Cutter diameter 6mm The depth of cut is self limiting making thread restoration quick and simple ideal for through holes For producing precision Left Hand threads by hand tapping