Helicoil HSS insert Tap UNF 3 8 Finishing MA2330 DS KT14810306 KING TONY H DUTY S DRVR FISC 0617 KT14810306 KING TONY H DUTY S DRVR PH3 150mm SQ SHK (HANG SELL DISPLAY) Flat Cold Chisel 100mm HELE TUNF12 Helicoil HSS Insert Tap UNF 3 8 Finishing Insert taps are used only when installing Wire Thread Inserts Made to an ISO standard so can be used with any brand of Wire Thread Inserts HSS Insert Taps should only to be used in conjunction with Thread Inserts Hand or machine tapping for through holes and blind holes where ample chip clearance is available The lead chamfer permits easier starting and requires less tapping torque than bottoming taps