32pc HSS Metric Tap and Die Set M3 - M12 1st 2nd and Plug Finishing TE174
£49.80
High Speed Steel (HSS) is the best material for tap and dies. If you are cutting loads of new threads or using tap and dies regularly you need HSS. M12 x 1.75. HSS 4341 Steel. Tap wrench. Screw pitch gauge.