RUKO HGB-III DIN 352 HSS 60° M8 x 1,25 mm maschio a mano sinistrorso

Hand tap for cutting left-hand metric threads, engineered from high-speed steel with a 60° thread angle. Its straight flutes and square drive deliver reliable chip evacuation and torque transfer in manual threading operations.

Advantages

HSS construction provides durability across steel, cast iron, and non-ferrous metals. The 6H tolerance class ensures precise thread fit, while the bright finish reduces friction during cutting.

Suitable for

• Creating left-hand M8 x 1.25 mm threads in through or blind holes
• Maintenance and repair tasks requiring reverse-thread fasteners
• Workshop use on steel, cast iron, and non-ferrous metals

Key specifications

• Thread size: M8 x 1.25 mm, left-hand
• Standard: DIN 352
• Material: HSS
• Overall length: 75 mm
• Shank diameter: 6 mm
• Square drive size: 4.9 mm
• Pre-drill diameter: 6.75 mm
• Tolerance class: 6H

Recommendations

Use with a suitable tap wrench and cutting fluid for optimal thread quality and tool life.