RUKO HGB set DIN 352 HSS 60° 9/16 x 18 UNF handtapset, 3-delig

Machinists and maintenance technicians working with unified fine threads will appreciate this RUKO hand tap set. It provides the three essential taps for cutting a 9/16-18 UNF thread in through and blind holes, suitable for steels up to 800 N/mm², malleable cast iron, non-ferrous metals, and plastics.

Key specifications

• Standard: DIN 352
• Material: High-Speed Steel (HSS)
• Thread type: UNF (Unified National Fine)
• Nominal diameter: 9/16 inch
• Threads per inch: 18
• Thread angle: 60°
• Number of pieces: 3 (taper, plug, bottoming)
• Cutting direction: Right-hand
• Surface finish: Bright
• Shank type: Square
• Tolerance class: ISO 2
• Recommended core hole diameter: 12.5 mm
• Packaging: Plastic case

Why choose it

The set includes taper, plug, and bottoming taps, allowing you to start threads easily, deepen them, and finish close to the bottom of blind holes. HSS construction provides durability and heat resistance for general-purpose threading.

Ideal use cases

• Creating new internal threads in through holes
• Threading blind holes where bottoming is required
• Repairing damaged UNF threads
• Maintenance and prototyping in metalworking shops

Good to know

The taps are designed for right-hand cutting and are suitable for a range of materials including unalloyed and alloyed steels up to 800 N/mm², malleable cast iron, non-ferrous metals, and plastics. The square shank ensures a secure grip in tap wrenches.