Dimensions

• d1: MF6
• d2 (mm): 4.5
• l1 (mm): 80
• l2 (mm): 8
• l4 (mm): 6
• Square Size (mm): 3.4
• z: 3
• Drill Size (mm): 5.3 (drill)
• Pitc (mm): 0.75 (Pitch)

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: N (for normal and general purpose type materials)
• Material: Premium Grade High Speed Steel (HSSE-V3)
• Finish: Titanium Nitride (TiN)
• Max Cut Depth: 2.5xD
• Shank Form: Reduced Shank (with square drive)
• Helix Angle: R40
• X:als
• Type:Spiral Flute
• Standard: DIN374
• Thread Form: ISO Metric Fine (MF)
• 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 - Non-alloy, cast & free cutting (~ 0.45 %C): Quenched & Tempered
• Steel - Non-alloy, cast & free cutting (~ 0.75 %C): Annealed
• Steel - Low alloy & cast < 5% of alloying elements: Annealed
• Steel - Low alloy & cast < 5% of alloying elements: Quenched & Tempered
• Steel - High alloy, cast & tool: Annealed
• Aluminum & Magnesium, wrought alloy - Non Heat Treatable
• Aluminum & Magnesium, wrought alloy - Heat Treatable: Age Hardened
• Copper & Copper alloys (Brass/Bronze) - Free cutting, Pb > 1%