M 4x0.7 HSS Spiral Flute Helical Thread Insert Tap

Product Code: ES-12117

4x0.7 Spiral flute tap Use to produce threads for helical coil wire screw thread inserts only • S.T.I. taps are oversized so the thread produced accepts a helical coil wire screw thread insert of the same nominal size and pitch • Taps are marked with the nominal size and pitch of the bolt to be used • Taps are marked with “S.T.I.” Compatible with HeliCoil.