Machining > Threading > Taps > Pipe - Spiral Flute Taps | Suttons Spiral Flute Taps - R50 VAPM | Dimensions | d1: G 1/4 | d2 (mm): 11 | l1 (mm): 100 | l2 (mm): 22 | l4 (mm): 12 | Square Size (mm): 9 | z: 4 | Drill Size (mm): 11.8 (drill) | TPI: 19 (TPI) | Features | Use in stainless steels and high strength steels up to 1000N/mm2 | PM-HSSE V3 offers higher edge hardness than standard VA series | Blind holes | Suitable for machine operations | Depths up to approx. 3 x d1 | Specifications | Designation: VA (for stainless and tough steels) | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Steam Oxide (Blue) | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | Helix Angle: R50 | X: als | Type: Spiral Flute | Standard: DIN5156 | Thread Form: ISO G Parallel Series 55 (G-BSPF) | Nut Tolerance: ISO 228 | Lead: Form C / 3 x P | Applications | Steel - Non-alloy, cast & free cutting (~ 0.15 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered | Steel - Low alloy & cast | Stainless Steel - Austenitic: Age Hardened | Stainless Steel - Duplex