RUKO HSS-G DIN 352 Hand Tap G 1/4 inch 55° Whitworth Pipe Thread

Precision-ground HSS-G hand tap for Whitworth pipe threads (G 1/4") with a 55° thread angle, conforming to DIN 352 and ISO 2 (6H) tolerance class.

Overview

The RUKO HGB-DIN352-HSS-55° is a high-speed steel (HSS-G) hand tap designed for cutting Whitworth pipe threads (G) with a 55° thread angle. It is manufactured to DIN 352 standards and meets ISO 2 (6H) tolerance class for reliable thread quality. The tap features a bright finish and is suitable for through holes and blind holes.

What stands out

• Whitworth pipe thread (G 1/4") with 55° thread angle
• Ground HSS-G material for durability and precision
• DIN 352 standard, ISO 2 (6H) tolerance
• 3 flutes for efficient chip evacuation
• Right-hand cutting direction

Technical details

• Thread Type: Whitworth Pipe Thread (G)
• Nominal Thread Size: G 1/4"
• Standard: DIN 352
• Material: HSS-G (High-Speed Steel, Ground)
• Thread Angle: 55°
• Pitch: 19 TPI
• Tolerance Class: ISO 2 (6H)
• Cutting Direction: Right-hand
• Overall Length: 63 mm
• Thread Length: 20 mm
• Shank Diameter: 7 mm
• Square Drive: 5.5 mm
• Number of Flutes: 3
• Application Material: Unalloyed and alloyed steels up to 800 N/mm², malleable cast iron, non-ferrous metals, plastics
• Hole Type: Through holes and blind holes
• Surface Finish: Bright
• Tool Type: Hand Tap

Our verdict

A professional-grade hand tap for Whitworth pipe threads, ideal for maintenance and repair tasks where G 1/4" threads are required. Its ground HSS construction ensures long tool life and consistent thread quality.