( UNC 7/16-14 - UNC 1''1/4-7 ) HSSE Cobalt Threading Tap 2B, Thin shank DIN376B

HSSE Cobalt Machine Tap DIN 376 Form B (Gun) UNC – Series 21490

The HEPYC 21490 series features HSSE cobalt machine taps with Form B (Gun) geometry and a thin shank, designed for fast and accurate threading of UNC threads in through holes up to 3×D. The gun point geometry pushes chips forward, ensuring excellent chip evacuation and consistent thread quality in CNC machining applications.

Manufactured to DIN 376 standards with ANSI/ASME B1.1 thread specifications and 2B thread tolerance, these taps provide reliable performance, excellent durability, and long tool life, while the thin shank design offers improved accessibility in restricted machining areas.

Key Features

• HSSE cobalt high-speed steel
• DIN 376 standard
• ANSI/ASME B1.1 (UNC)
• Form B (Gun) geometry
• Corrected entry form B (3.5–5h)
• 2B thread tolerance
• Thin shank
• Through holes up to 3×D
• Excellent chip evacuation
  
• Long tool life

Recommended Materials

🟦 P – Steel (Optimal)

• Soft magnetic steels
• Construction steels
• Case-hardening steels
• Unalloyed and alloyed carbon steels up to 800 N/mm²

🟧 M – Stainless Steel (Alternative)

• Stainless steels up to 950 N/mm²

🟥 K – Cast Iron (Alternative)

• Cast iron up to 800 N/mm²

🟩 N – Non-Ferrous Materials

Optimal

• Copper

Alternative

• Aluminum alloys
• Plastics