Features

• Use in harder short chipping materials up to 42 HRc
• Blind holes
• Suitable for synchronous tapping in machine operations
• Depths up to approx. 2.5 x d1

Specifications

• Designation: NH
• Material: Powdered Metallurgy - Vanadium Grade High Speed Steel (PM-HSSE V3)
• Finish: Titanium Aluminium Nitride (TiAIN)
• Max Cut Depth: 2.5xD
• Shank Form: Reinforced Shank (with square drive)
• Helix Angle: R40
• X: als
• Type: Spiral Flute
• Standard: DIN2184-1
• Thread Form: UNC
• Lead: Form C / 3 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 < 5% of alloying elements: Quenched & Tempered
• Steel - Low alloy & cast < 5% of alloying elements: Quenched & Tempered
• Steel - High alloy, cast & tool: Annealed
• Stainless Steel - Precipitation Hardening
• Aluminum & Magnesium, cast alloy >12% Si - Non Heat Treatable