RUKO HGB DIN 5157 HSS 55° Rp 3/4 strojný závitník

This RUKO machine tap is built for cutting internal pipe threads to DIN 5157, with a 55° thread angle and Rp 3/4 parallel thread form. Unlike generic taps, it is ground from high-speed steel (HSS-G) for clean, accurate threads in steel, cast iron, and non-ferrous metals.

Highlights

• DIN 5157 compliant for British Standard Pipe Parallel (Rp) threads
• 55° thread angle with 14 TPI pitch
• Ground HSS-G for durability and precision
• Right-hand cutting direction
• Four flutes for efficient chip evacuation

Full specifications

• Thread type: Rp (BSPP)
• Nominal thread size: 3/4 inch
• Standard: DIN 5157
• Material: High-speed steel (HSS-G)
• Thread angle: 55°
• Cutting direction: Right-hand
• Total length: 100 mm
• Thread length: 32 mm
• Shank diameter: 18 mm
• Square drive: 14.5 mm
• Number of flutes: 4
• Thread pitch: 14 TPI
• Core hole diameter: 24.1 mm
• Tolerance class: ISO 7-1 / EN 10226-1
• Tool type: Machine tap
• Surface finish: Bright
• Manufacturing process: Ground (G)

Final note

A precise, ground tap for consistent internal pipe threads in demanding workshop environments.