RUKO MGB-DIN5156-HSSCo-55°-Rp-1/2 machine tap

Cutting clean, accurate BSP-P threads by hand or machine can be a challenge, especially in tough materials where standard taps dull quickly. The RUKO MGB-DIN5156-HSSCo-55°-Rp-1/2 Machine Tap solves this with a cobalt-alloyed high-speed steel body that resists heat and wear, keeping your threading jobs precise and efficient.

Who is it for

This tap is built for machinists, plumbers, and maintenance professionals who need reliable BSP-P threads in steel, stainless steel, and other demanding alloys. It suits both through-hole and blind-hole work where a right-hand thread is required.

Main features

• Thread standard: BSP-P (Rp) with 55° flank angle, conforming to DIN 5156.
• Nominal size: 1/2 inch, 14 TPI pitch.
• Material: HSSCo (cobalt high-speed steel) for superior durability.
• Right-hand cutting direction.
• Bright uncoated surface finish.
• 4 flutes for efficient chip evacuation.

Specifications

• Overall length: 90 mm
• Thread length: 28 mm
• Shank diameter: 14 mm
• Square drive size: 11 mm
• Recommended core hole diameter: 18.6 mm

Tips

For best results, use a suitable cutting fluid and ensure the core hole is drilled to the recommended diameter. This tap can be used with a tap wrench or in a machine with appropriate holders.