RUKO HGB-DIN352HSS-1-3/4x5-BSW Macho de roscar à mão, BSW 1 3/4 polegadas x 5 TPI, HSS, DIN 352

Cutting precise BSW threads in large-diameter workpieces demands a tap that stays sharp and accurate under heavy load. The RUKO HGB-DIN352HSS-1-3/4x5-BSW hand tap is built for this task, delivering clean, reliable threads in unalloyed and low-alloy steels up to 800 N/mm² tensile strength.

Who is it for

This tap is intended for machinists, maintenance technicians, and metalworkers who need to create or repair British Standard Whitworth threads with a nominal diameter of 1 3/4 inches. It is suitable for both through holes and blind holes, making it a versatile addition to any workshop.

Main features

• Thread standard: BSW (British Standard Whitworth)
• Nominal diameter: 1 3/4 inch (44.45 mm)
• Threads per inch: 5
• Material: High-speed steel (HSS) for durability
• Conforms to DIN 352
• Finishing tap for final thread cutting
• Bright (uncoated) surface
• Right-hand thread direction

Specifications

• Overall length: 200 mm
• Thread length: 65 mm
• Shank diameter: 35.5 mm
• Square drive: 28 mm
• Number of flutes: 4
• Core hole diameter (approx.): 39.37 mm
• Number of pieces: 1

Tips

Use an appropriate tapping lubricant to reduce friction and extend tool life. Ensure the core hole is drilled to the recommended diameter for optimal thread engagement.