Machining > Threading > Taps > Metric - Spiral Flute Taps | Suttons Spiral Flute Taps - R45 VADH | Dimensions | d1: M8 | d2 (mm): 8 | l1 (mm): 90 | l2 (mm): 12.5 | l3 (mm): 35 | l4 (mm): 9 | Square Size (mm): 6.2 | z: 3 | Drill Size (mm): 6.8 (drill) | Pitch (mm): 1.25 (pitch) | Features | Suitable for controlled tapping in deep holes | Use in stainless steels and high strength steels up to 850N/mm2 | Blind holes | Depths up to 3 x d1 | Specifications | Designation: VA (for stainless and tough steels) | Material: Premium Grade High Speed Steel (HSSE-V3) | Finish: Titanium Carbonitride (TiCN) | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | Helix Angle: R45 | X: als | Type: Spiral Flute | Standard: DIN371 | Thread Form: ISO Metric Coarse (M) | Nut Tolerance: ISO 2 / 6H | 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 - Corrosion resistant & cast - Ferritic / Martensitic: Annealed | Stainless Steel - Austenitic: Age Hardened | Stainless Steel Duplex | Stainless Steel - Precipitation Hardening | High temperature alloys - Fe based: Annealed