RUKO HGB-DIN352-HSS-55° juego de machos de roscar manuales, G 1/8 pulgadas BSPP, HSS-G, 3 piezas (desbaste, intermedio, acabado)

Precision-ground HSS-G hand tap set for cutting G 1/8 inch BSPP pipe threads with a 55° flank angle, conforming to DIN 352. The set includes taper, second, and bottoming taps for through and blind holes.

Highlights

• Thread standard: G (BSPP – British Standard Pipe Parallel)
• Thread size: 1/8 inch, 28 TPI
• Flank angle: 55°
• Material: HSS-G (High-Speed Steel, Ground)
• 3-piece set: Taper, Second, Bottoming Tap
• Recommended core hole diameter: 8.8 mm
• Right-hand cutting, straight flutes

In daily use

Suited for unalloyed and low-alloyed steels, non-ferrous metals, and plastics. The bright ground finish reduces friction and improves chip evacuation. The taper tap starts the thread, the second tap deepens it, and the bottoming tap finishes threads close to the bottom of blind holes.

Full specifications

• Overall length (L1): 56 mm
• Thread length (L2): 18 mm
• Shank diameter (d1): 7.0 mm
• Square drive size (k): 5.5 mm
• Cutting direction: Right-hand
• Flute type: Straight
• Tolerance: G (Pipe Thread Tolerance)

Final note

A reliable set for maintenance and repair work where parallel pipe threads are required.