Machining > Threading > Taps > Metric - Spiral Flute Taps | Suttons Spiral Flute Taps - R50 | Dimensions | d1: M4 | d2 (mm): 6 | l1 (mm): 70 | l2 (mm): 7 | l3 (mm): 21 | l4 (mm): 8 | Square Size (mm): 4.9 | z: 3 | Drill Size (mm): 3.3 (drill) | Pitch (mm): 0.7 (pitch) | Features | For high speed and precision tapping | For rigid tapping in CNC machines with synchronised feed | For aluminium and aluminium alloys | Process of plastic deformation to imprint thread on material | Blind and through holes up to 2 x d1 | h6 endmill shank | Specifications | Designation: VA (for stainless and tough steels) | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Titanium Carbonitride (TiCN) | Max Cut Depth: 2xD | Shank Form: Reinforced Shank (square-end, drive-flat) | Helix Angle: R50 | X: als | Type: Spiral Flute | Standard: Sutton | Thread Form: ISO Metric Coarse (M) | Nut Tolerance: 6HX | 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 - Non-alloy, cast & free cutting (~ 0.75 %C): Annealed | Steel - Low alloy & cast | Steel - Low alloy & cast | Steel - High alloy, cast & tool: Annealed | Steel - Corrosion resistant & cast - Ferritic / Martensitic: Annealed | Stainless Steel - Austenitic: Age Hardened | Stainless Steel Duplex | Cast Iron, Grey (GG) - Ferritic / Pearlitic | Cast Iron, Nodular (GGG) Ferritic | Cast Iron, Malleable Ferritic | Aluminum & Magnesium, wrought alloy - Non Heat Treatable | Aluminum & Magnesium, wrought alloy - Heat Treatable: Age Hardened | Aluminum & Magnesium, cast alloy >12% Si - Non Heat Treatable | High temperature alloys - Fe based: Annealed | High temperature alloys - Ni / Co based: Annealed