2278 HSSE VAP UNF Spiral Flute Tap

2278 HSSE VAP UNF Spiral Flute Tap

Spiral-flute tap for threading blind holes.

Key Features:

• Tool material: High-speed steel (HSSE)
• Standard / manufacturer designation: DIN 371
• Thread type: UNF
• Chamfer form: C(2-3)
• Geometry / design: R35°
• Tolerance / class: 2B
• Coating / treatment: VAP
• Working depth: 2,5xD
• Helix angle: 35°
• Reinforced shank

Recommended Materials:

P Steels

• Steels <800 N/mm² – Optimal suitability
• Steels <1,000 N/mm² – Alternative suitability

M Stainless steels

• Stainless steels <950 N/mm² – Optimal suitability
• Stainless steels <1,200 N/mm² – Alternative suitability

K Cast iron

• Cast iron <800 N/mm² – Alternative suitability

N Non-ferrous materials

• Copper and copper alloys (Cu) – Optimal suitability
• Plastics – Alternative suitability