Hand Tap Series Check Pin Series ANSI LINE-UP INDEX ANSI ANSI IHT HT-1 CPC-S ST-1 Hand Taps for General Purpose Check Pins for Bored Hole in thread cut tapping (Straight Type) ANSI ANSI HT HT-3 CPC-T ST-4 Hand Taps Check Pins for Bored Holes in thread cut tapping (Taper Type) ANSI DIN ANSI JIS HT OX HT-8 TA ST-23 Hand Taps, Oxided Tap Adapter ANSI HT-CI HT-13 Hand Taps for Cast Irons ANSI AXE-HT HT-15 Pipe Tap Series AXE Hand Taps ANSI ZELX SS ANSI HT STI HT-16 NPT Pipe-1 Hand Taps for Helical Coil Wire Screw Thread Inserts Taps for American Taper Pipe Threads ANSI ZELX SS ANSI HT OX STI HT-18 NPTF Pipe-2 Hand Taps for Helical Coil Wire Screw Thread Inserts, Oxided Taps for American Dryseal Taper Pipe Threads ANSI ZELX MOLD ANSI ZELX MOLD HT-20 NPT Pipe-3 Hand Taps for Hard-to-Machine Materials Hand Taps for Hard-to-Machine Materials For American Taper Pipe Threads ANSI ANSI EH-HT HT-21 NPT Pipe-4 Hand Taps for Hard-to-Machine Materials Hand Taps for American Taper Pipe Threads ANSI INT-NPT Pipe-5 Interrupted Taps for American Taper Pipe Threads ANSI Cemented Carbide Tap Series NPT-CI Pipe-6 Hand Taps for American Taper Pipe Threads for Cast Irons ZELX CARB ANSI ANSI CT-1 NPTF Pipe-7 AL Carbide Taps for Light Alloys Hand Taps for American Dryseal Taper Pipe Threads ZELX CARB ANSI ANSI CT-4 NPTF-CI Pipe-8 CI Carbide Taps for Cast Irons Hand Taps for American Dryseal Taper Pipe Threads, for Cast Irons ANSI NPS Pipe-9 Hand Taps for American Parallel Pipe Threads ANSI Roll Tap Series NPSF Pipe-10 Hand Taps for American Dryseal Parallel Pipe Threads ANSI N-RZ RO-1 Thread Forming Taps for Steels ANSI N-RS RO-5 Dies Thread Forming Taps for Non-Ferrous Materials ANSI HSS Spiral Pointed Dies ANSI OL-RZ RO-9 PO-D Di-1 Thread Forming Taps for Dry Tapping, Coated ANSI Die Attachment ANSI HP-RZ RO-10 RD-DA Di-2 High Performance Thread Forming Taps, Coated (for Solid Dies) Di- ANSI MHRZ RO-13 Roll Taps for Carbon Steels of Middle Hardness Index-14 41