6x40 UNF / NF Helical Thread Insert Tap 6-40
Product Code: ES-12464
6.40" 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.” 1/4x28
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