RUKO HGB-DIN352-HSS-60°-Nr.4 käsikierretappi M4 x 0,7 mm

The RUKO HGB-DIN352-HSS-60°-Nr.4 is a precision hand tap for cutting metric coarse threads, distinguished by its 60° flank angle and compliance with DIN 352. It is manufactured from high-speed steel (HSS) and is intended for manual thread cutting in unalloyed and low-alloyed steels, cast iron, and non-ferrous metals.

Highlights

• Nominal diameter M4 (4 mm) with 0.7 mm pitch
• Three-flute design for efficient chip removal
• Bright, uncoated surface
• Right-hand cutting direction
• Square drive size 3.4 mm for secure tool holding

In daily use

This tap is suitable for creating internal threads in both through and blind holes. Its HSS construction provides durability for manual operations, and the tolerance class ISO 2 (6H) ensures a standard fit. The overall length is 45 mm with a thread length of 13 mm and a shank diameter of 4.5 mm.

Full specifications

• Thread type: Metric coarse
• Nominal thread diameter: M4 (4 mm)
• Thread pitch: 0.7 mm
• Standard: DIN 352
• Material: High-speed steel (HSS)
• Flank angle: 60°
• Overall length: 45 mm
• Thread length: 13 mm
• Shank diameter: 4.5 mm
• Square drive size: 3.4 mm
• Number of flutes: 3
• Tolerance class: ISO 2 (6H)
• Surface treatment: Bright (uncoated)
• Cutting direction: Right-hand
• Recommended material hardness: Up to 800 N/mm²

Final note

A reliable hand tap for standard metric threading tasks, built to DIN 352 specifications.