RUKO HGB-II DIN352 HSS 60° M5x0,80mm set maschi a mano sinistrorsi

For machinists and maintenance technicians working with left-hand threads, the RUKO HGB-II hand tap set provides a precise solution for cutting M5 x 0.80 mm left-hand metric threads in through and blind holes. This two-piece set includes a rougher and a finisher, allowing efficient thread production in unalloyed and low-alloy steels, cast iron, and non-ferrous metals.

Key specifications

• Thread type: Metric
• Thread size: M5
• Thread pitch: 0.80 mm
• Thread direction: Left-hand
• Material: High-speed steel (HSS)
• Standard: DIN 352
• Set composition: 2-piece (rougher and finisher)
• Overall length: 50 mm
• Thread length: 16 mm
• Shank diameter: 4.5 mm
• Square drive: 3.4 mm
• Tolerance class: ISO 2 (6H)
• Flute type: Straight flute
• Thread profile angle: 60°

Why choose it

Manufactured from high-speed steel, these taps offer durability and reliable cutting performance. The straight flute design ensures efficient chip evacuation, while the DIN 352 standard guarantees compatibility with common tap wrenches and holders.

Ideal use cases

• Creating left-hand threads in repair and maintenance tasks
• Tapping through and blind holes in steel, cast iron, and non-ferrous metals
• General purpose threading operations in workshops and manufacturing

Good to know

The set includes both a rougher and a finisher for progressive thread cutting, ensuring accurate and clean threads. The left-hand orientation is essential for applications requiring reverse-threaded fasteners.