4x40 UNC / NC V-COIL Helical Thread Insert Tap

4.40" Helical 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.

For more information on 4x40 UNC / NC V-COIL Helical Thread Insert Tap talk to JLS Supplies Ltd