Machining > Threading > Taps > Imperial - Spiral Flute Taps | Suttons Spiral Flute Taps - R45 VADH | Dimensions | d1 (mm): 2.8448 | d2 (mm): 3.5 | l1 (mm): 56 | l2 (mm): 5 | l3 (mm): 18 | l4 (mm): 6 | Square Size (mm): 2.7 | z: 2 | Drill Size (mm): 2.3 (drill) | TPI: 40 (TPI) | Features | General purpose use, materials up to approx. 1000 N/mm2 | Blind holes | Suitable for machine operations | Depths up to approx. 2.5 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: Reinforced Shank (with square drive) | Helix Angle: R45 | X: als | Type: Spiral Flute | Standard: DIN2184-1 | Thread Form: UNC | Nut Tolerance: 2B | 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