RUKO HGB set DIN 352 HSS 60° 7/8 inch UNC handgetaptapset, 3-delig

Machinists and maintenance technicians working on general-purpose threading in through holes and blind holes will find this RUKO hand tap set indispensable. The set includes three taps—taper, plug, and bottoming—for producing UNC 7/8" internal threads with a 60° thread angle in unalloyed and low-alloyed steels, malleable cast iron, non-ferrous metals, and plastics.

Key specifications

• Thread standard: UNC (Unified National Coarse)
• Nominal diameter: 7/8 inch
• Thread pitch: 9 TPI
• Thread angle: 60°
• Material: High-Speed Steel (HSS)
• Standard: DIN 352
• Cutting direction: Right-hand
• Shank type: Square shank
• Surface finish: Bright (uncoated)
• Set components: Taper tap, plug tap, bottoming tap
• Max material tensile strength: 800 N/mm²
• Packaging: Protective plastic case

Why choose it

The HSS construction provides durability and wear resistance for threading in materials up to 800 N/mm² tensile strength. The three-piece set covers all stages of thread cutting, from starting to finishing, ensuring accurate and clean threads.

Ideal use cases

• Creating internal UNC threads in through holes
• Threading blind holes where a bottoming tap is required
• Maintenance and repair of machinery with UNC fasteners
• General metalworking in workshops and manufacturing

Good to know

Supplied in a protective plastic case for organized storage and easy identification. The bright finish offers a clean surface without additional coating. Suitable for a range of materials including non-ferrous metals and plastics.