Machining > Threading > Taps > Metric - Spiral Point Taps | Suttons Spiral Point (Gun) Taps - NH | Dimensions | d1: MF8 | d2 (mm): 6 | l1 (mm): 80 | l2 (mm): 18 | l4 (mm): 8 | Square Size (mm): 4.9 | z: 3 | Drill Size (mm): 7.5 (drill) | Pitch (mm): 0.5 (pitch) | Features | Suitable for harder short chipping materials up to 42 HRc | Through holes | Suitable for machine operations | Depths up to approx. 3 x d1 | Specifications | Designation: NH | Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3) | Finish: Titanium Aluminium Nitride (TiAIN) | Max Cut Depth: 3xD | Shank Form: Reduced Shank (with square drive) | X: als | Type: Spiral Point (Gun) | Standard: DIN374 | Thread Form: ISO Metric Fine (MF) | Nut Tolerance: ISO 2 / 6H | Lead: Form B / 4.5 x P | Applications | Steel - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered | Steel - Non-alloy, cast & free cutting (~ 0.75 %C): Annealed | Steel - Non-alloy, cast & free cutting (~ 0.75 %C): Quenched & Tempered | Steel - Low alloy & cast | Steel - Low alloy & cast | Steel - High alloy, cast & tool: Annealed | Stainless Steel - Precipitation Hardening | Cast Iron, Malleable Ferritic | Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1%