3/8" x 16 STI UNC Bottoming HSS Tap - 3532-3/8B by Bordo Tube Spanner interchangeable tips in various angles

interchangeable tips in various angles and sizes

utility tool

Uncertainty K 4 (Vibration): 1

7° hook lower cutting force

Knurled finish ensures maximum grip and avoids movement while the punch is being struck (Punches)

3/8" x 16 STI UNC Bottoming HSS Tap - 3532-3/8B by Bordo Tube Spanner interchangeable tips in various angles3 8" x 16 STI UNC Bottoming HSS Tap Unified National Coarse (UNC) HSS Bottoming Lead 3B Tolerance Screw Thread Insert (STI) Tap. PowerCoil wire thread inserts are installed into oversize tapped holes. Only PowerCoil STI (Screw Thread Insert) Taps are suitable for use with PowerCoil Wire Thread Inserts. STI Taps have a larger diameter, than standard taps, but the same pitch to accommodate the wire thread insert. Once the insert is installed in the