RUKO HGB-III DIN352 HSS 60° M6 x 1,00 mm linksdraad machine-tap

Precision left-hand M6 threading with a 1.00 mm pitch, cut by a 60° flank angle on high-speed steel to DIN 352.

Overview

The RUKO HGB-III is a hand tap for cutting metric left-hand threads in through holes. It is a finishing tap (plug tap) with three flutes and a square drive shank. The tool is made from bright, uncoated high-speed steel and meets DIN 352 with ISO 2 (6H) tolerance.

What stands out

• Left-hand M6 x 1.00 mm thread for reverse-thread applications.
• 60° flank angle for standard metric thread form.
• Three flutes provide good chip evacuation and cutting stability.
• Square drive shank (4.9 mm) fits standard tap wrenches.
• Bright HSS finish for general-purpose threading in steel and non-ferrous metals.

Technical details

• Thread type: Metric (M)
• Thread size: M6
• Pitch: 1.00 mm
• Thread direction: Left-hand
• Standard: DIN 352
• Material: High-speed steel (HSS)
• Flank angle: 60°
• Shank type: Square drive
• Shank diameter: 6.0 mm
• Square drive size: 4.9 mm
• Total length: 60 mm
• Thread length: 18 mm
• Number of flutes: 3
• Tap stage: Finishing tap (plug tap)
• Tolerance class: ISO 2 (6H)
• Surface treatment: Uncoated / bright

Our verdict

A dependable left-hand finishing tap for metric M6 threads, built to DIN 352 with precise geometry and HSS durability.