RUKO HGB DIN 5157 HSS-G 55° putkikierteitysruuvi Rp 1/2"

Cutting internal parallel pipe threads by hand or machine can be slow and imprecise without a tap engineered for the job. This RUKO pipe tap is made from ground high-speed steel (HSS-G) and follows DIN 5157 for British Standard Pipe Parallel (Rp) threads, so each flute cuts cleanly and consistently.

Who is it for

Workshop professionals and maintenance technicians who need reliable internal threads in steel, cast iron, or non-ferrous metals. It suits both manual tapping and machine use where a 1/2" parallel pipe thread is required.

Main features

• Thread standard: DIN 5157, Rp 1/2" (parallel)
• Flank angle: 55°
• Material: HSS-G ground high-speed steel
• 4 flutes for efficient chip removal
• Right-hand cutting direction
• Bright uncoated finish

Specifications

• Nominal thread size: 1/2"
• Thread pitch: 14 TPI
• Total length: 80 mm
• Thread length: 28 mm
• Shank diameter: 14 mm
• Square drive size: 11 mm

Tips

Use a suitable tapping lubricant for the workpiece material. For blind holes, clear chips regularly to avoid flute clogging. The square drive fits standard tap wrenches.