RUKO HGB-DIN352-HSS-55° ručný závitník G 1/4 HSS-G blank

Hand tap for cutting parallel pipe threads (BSPP) to DIN 352, made of ground high-speed steel (HSS-G) with a 55° thread angle. Its straight flutes and four cutting edges deliver clean threads in through and blind holes.

Advantages

Ground HSS-G provides high cutting performance and long tool life. The bright finish reduces friction and prevents chip welding. The 55° Whitworth thread form ensures a precise fit for pipe connections.

Suitable for

• Unalloyed and alloyed steels up to 800 N/mm²
• Malleable cast iron
• Non-ferrous metals

Key specifications

• Thread size: G 1/4
• Pitch: 19 TPI
• Overall length: 63 mm
• Thread length: 22 mm
• Shank diameter: 7 mm
• Square drive: 5.5 mm
• Number of flutes: 4
• Cutting direction: right-hand

Recommendations

Use with a suitable tap wrench and cutting oil for best results. For blind holes, ensure adequate chip clearance.