RUKO HGB-DIN352-HSS-60°-Nr.4 ručný závitník M4

Cutting clean, accurate internal threads in tough materials demands a tool that stays sharp and true. The RUKO HGB-DIN352-HSS-60°-Nr.4 hand tap delivers that precision for M4 metric coarse threads, making it a reliable choice for workshops and maintenance tasks.

Who is it for

Machinists, metalworkers, and serious DIYers who need to thread holes in steel, cast iron, or non-ferrous metals will appreciate this tap's performance. It's built for general purpose use in unalloyed and low-alloyed steels up to 800 N/mm² tensile strength.

Main features

• Manufactured from high-speed steel (HSS) for durability and heat resistance
• Ground thread for precise cutting and smooth chip evacuation
• Right-hand cutting direction, DIN 352 standard, 60° thread angle
• Three flutes for efficient chip removal
• Bright uncoated finish reduces friction and prevents build-up

Specifications

• Thread type: Metric coarse
• Thread size: M4
• Thread pitch: 0.7 mm
• Overall length: 45 mm
• Thread length: 13 mm
• Shank diameter: 4.5 mm
• Square drive size: 3.4 mm
• Recommended core hole diameter: 3.3 mm
• Tolerance class: ISO 2 (6H)

Tips

Use a suitable cutting fluid to extend tool life and improve thread finish. For best results, drill the core hole to 3.3 mm before tapping.