RUKO HGB-DIN352-HSS-55° 1/4 tuuma BSP viimeistelykierteitys

This RUKO finishing tap is engineered for cutting precise Whitworth pipe threads (G 1/4 inch) with a 55° thread angle, conforming to DIN 352 standards. Crafted from high-speed steel (HSS) with a bright finish, it delivers clean, accurate threads in unalloyed and low-alloyed steels, cast iron, and non-ferrous metals.

Advantages

High-speed steel construction ensures durability and long tool life. The right-hand cutting direction and 4-flute design provide efficient chip evacuation and smooth threading. The bright surface treatment reduces friction and resists corrosion.

Suitable for

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

Key specifications

• Thread standard: G (BSP)
• Nominal thread size: 1/4 inch
• Thread angle: 55°
• Tool standard: DIN 352
• Material: High-Speed Steel (HSS)
• Cutting direction: Right-hand
• Tap type: Finishing tap
• Total length: 63 mm
• Thread length: 18 mm
• Shank diameter: 7.0 mm
• Square drive size: 5.5 mm
• Threads per inch: 19
• Recommended core hole diameter: 11.4 mm
• Number of flutes: 4

Recommendations

For best results, use a suitable tapping lubricant and ensure the core hole is drilled to the recommended diameter of 11.4 mm.