#2277 M1.6 Tap Roll form Plug with TiN coating; to ISO standards Size M1.6 pitch .35mm threading length approximate 6.0mm / 0.240”, Shank 2mm /0.78" made from hardened high speed steel our taps are designed for production taping in Automatic screw machines, Tappers, CNC lathes and CNC mills. The coating used TiN (Titanium Nitride) very thin, increases tap performance and tool life. In our shop coated taps typically tapped three times the number of holes compared to uncoated. Image is representative of the item for sales. Overall length of Tap is 32mm (1.300") threaded length (tip to end of thread) 6.mm (0.240") lengths can vary slightly between batches.