RUKO HGB DIN 5157 HSS 55° Rp 1-1/2 rúrový závitník

Pipe thread tap for cutting internal parallel pipe threads according to DIN 5157, Rp 1-1/2, with 55° flank angle. Manufactured from ground HSS-G high-speed steel for precise thread profiles and long tool life.

Advantages

Ground profile with 4 flutes ensures smooth chip evacuation and accurate thread geometry. Bright surface finish reduces friction and improves cutting performance.

Suitable for

• Unalloyed and alloyed steels
• Cast iron
• Non-ferrous metals

Key specifications

• Thread standard: DIN 5157
• Thread type: Rp (internal parallel pipe thread)
• Nominal thread size: 1 1/2 inch
• Flank angle: 55°
• Thread pitch: 11 TPI (2.309 mm)
• Thread direction: right-hand
• Drive type: square drive, 28 mm
• Total length: 150 mm
• Thread length: 55 mm
• Shank diameter: 35.5 mm
• Recommended core hole diameter: 45.5 mm
• Number of flutes: 4
• Material: HSS-G
• Surface treatment: bright

Recommendations

Use with suitable cutting fluid for best results. Ensure core hole is drilled to recommended diameter before tapping.