RUKO HGB-DIN352-HSS-55° Hand Tap G 1/4 inch 19 TPI HSS-G DIN 352

Precision-ground HSS-G hand tap for G 1/4" parallel pipe threads with 19 TPI, manufactured to DIN 352 with a 55° flank angle. Ideal for creating internal threads in unalloyed and low-alloyed steels, non-ferrous metals, and plastics.

Overview

The RUKO HGB-DIN352-HSS-55° is a high-performance hand tap designed for cutting British Standard Pipe Parallel (BSPP) threads. Its HSS-G construction ensures durability and sharpness, while the bright finish reduces friction. The tap features four flutes for efficient chip removal and a right-hand cutting direction.

What stands out

• Thread standard: G (BSPP) 1/4" with 19 TPI
• Flank angle: 55° per DIN 352
• Material: HSS-G (high-speed steel, ground)
• Overall length: 70 mm, thread length: 22 mm
• Shank diameter: 7 mm, square drive: 5.5 mm
• Tolerance class: ISO 2 (6H)

Technical details

• Tool type: Hand tap
• Thread size: 1/4"
• Pitch: 19 TPI
• Number of flutes: 4
• Cutting direction: Right-hand
• Recommended core hole diameter: 11.8 mm
• Application: General purpose for steels, non-ferrous metals, plastics
• Surface finish: Bright (uncoated)
• Set type: Single tap

Our verdict

A reliable and precise hand tap for professionals needing accurate BSPP threads. The HSS-G material and DIN 352 compliance ensure consistent performance in a variety of materials.