RUKO HGB Pipe Thread Tap Set DIN 5157 HSS-G 1 3/8 inch x 11, 2 Pieces

Cutting internal pipe threads in tough steels demands a tap that stays sharp and accurate. This RUKO HGB set delivers two precision-ground HSS-G taps for DIN 5157 pipe threads, size 1 3/8" x 11, in a robust plastic case.

Who is it for

Industrial metalworkers and maintenance professionals who need reliable, long-lasting taps for through and blind holes in unalloyed and alloyed steels up to 800 N/mm², malleable cast iron, non-ferrous metals, and plastics.

Main features

• Set includes taper tap and plug tap for sequential thread cutting.
• Ground HSS-G profile for high precision and performance.
• Right-hand cutting direction, square shank for secure driving.
• Bright finish for clean threads and corrosion resistance.

Specifications

• Thread standard: DIN 5157
• Thread size: 1 3/8" x 11
• Material: HSS-G (high-speed steel, ground)
• Number of pieces: 2 (taper tap, plug tap)
• Overall length per tap: 130 mm
• Thread length per tap: 45 mm
• Shank diameter: 28 mm
• Square drive: 22 mm
• Cutting direction: right-hand
• Application: through and blind holes
• Suitable materials: steels up to 800 N/mm², malleable cast iron, non-ferrous metals, plastics
• Packaging: plastic storage case

Tips

Use cutting oil and back off periodically to break chips. For blind holes, finish with the plug tap to full thread depth.