1/2"-12 BSW Spiral Flute Tap Machine Thread Tap HSS-Cobalt Uncoated 3.1" - 3.5" which can avoid damaging the

which can avoid damaging the chip and being not work

Inner Diameter (d): 3mm

Motor Rotary Speed: 5RPM+/-10%

8L V6 Gas)

3 x Butterfly Wing Nuts

1/2"-12 BSW Spiral Flute Tap Machine Thread Tap HSS-Cobalt Uncoated 3.1" - 3.5" which can avoid damaging theSpecifications: Thread Size: 1 2" 12 BSW Tolerance: H2 Thread Length: 31mm 1. 22" Square End Size: 7mm 0. 28" Round Shank Dia.: 9mm 0. 35" Total Length: 85mm 3. 35" Round Shank Length: 37mm 1. 46" Material: M35 Cobalt High Speed Steel (5% Co) Finish: Uncoated Cutting Direction: Right Hand Technology: Fully Ground Package: 1pcs x Spiral Flute Tap Descriptions: 1. Spiral flute design, upward chip removal. Right hand thread cutting, clear threads with no