RUKO HGB-DIN2181-HSS-60°-1-1/4x ručný závitník

This RUKO hand tap is built for cutting G 1 1/4" parallel pipe threads to DIN 2181 with a 55° Whitworth thread angle. The 60° designation refers to the thread form angle used in the tool's geometry, distinguishing it from standard 55° pipe taps. Made from high-speed steel with a bright finish, it offers a four-flute design for efficient chip removal in steel, cast iron, non-ferrous metals, and plastics.

Highlights

• Thread standard: DIN 2181, G (parallel pipe thread)
• Nominal size: 1 1/4 inch
• Material: High-speed steel (HSS)
• Four flutes for smooth cutting
• Right-hand cutting direction

Full specifications

• Thread angle: 55° (Whitworth)
• Pitch: 11 threads per inch
• Major diameter: 44.324 mm
• Total length: 160 mm
• Thread length: 50 mm
• Shank diameter: 25 mm
• Square drive size: 20 mm
• Tolerance class: ISO 228-1 Class A
• Surface treatment: Bright (uncoated)
• Application: Internal thread cutting

Final note

Designed for both manual and machine operation, this tap delivers precise threads in demanding materials.