RUKO HGB-I DIN 352 HSS 60° M3 x 0,50 mm macho de roscar manual esquerdo

Metric left-hand hand tap for cutting internal threads in unalloyed and low-alloyed steels, cast iron, and non-ferrous metals. The straight flute design and 60° flank angle ensure clean, precise threads with reliable chip evacuation.

Advantages

High-speed steel construction provides excellent wear resistance and long tool life. The left-hand thread direction is ideal for applications requiring reverse thread orientation, such as rotating components that would otherwise loosen under clockwise rotation.

Suitable for

• Unalloyed and low-alloyed steels
• Cast iron
• Non-ferrous metals

Key specifications

• Thread standard: Metric (M)
• Nominal diameter: 3 mm
• Thread pitch: 0.50 mm
• Thread direction: Left-hand
• Tool standard: DIN 352
• Material: High-speed steel (HSS)
• Flank angle: 60°
• Tolerance class: ISO 2 (6H)
• Tap type: Finishing tap (No. 3)
• Shank diameter: 3.55 mm
• Square drive: 2.8 mm
• Overall length: 45 mm
• Thread length: 11 mm
• Number of flutes: 3
• Surface finish: Bright

Recommendations

Use with suitable tapping lubricant for optimal performance and tool life. For through holes or blind holes, ensure proper chip removal to prevent tap breakage.