1.3/8x6 UNC Helical Thread Insert Tap set of 2

Product Code: ES-12514

Set of 2 Rougher and finisher 1 3/8 - 6 UNC 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.