RUKO HGB Set DIN 352 HSS 60° No. 3x M3 Hand Tap Set

For machinists and maintenance technicians who need to cut precise M3 metric coarse threads in through or blind holes, this RUKO hand tap set provides three taps in the correct sequence: taper, second, and bottoming. Each tap is made from bright high-speed steel (HSS) and conforms to DIN 352, with a 60° thread angle and ISO 2 (6H) tolerance class, ensuring clean, accurate threads in steel, cast iron, non-ferrous metals, and plastics.

Key specifications

• Product type: Hand tap set
• Material: High-speed steel (HSS)
• Standard: DIN 352
• Thread type: Metric coarse thread (M)
• Nominal thread size: M3
• Thread pitch: 0.5 mm
• Set composition: 3-piece set (taper, second, bottoming tap)
• Thread angle: 60°
• Tolerance class: ISO 2 (6H)
• Cutting direction: Right-hand cut
• Surface finish: Bright (uncoated)
• Recommended core hole diameter: 2.5 mm
• Application: General purpose for through and blind holes
• Suitable materials: Steel, cast iron, non-ferrous metals, plastics
• Shank type: Square drive according to DIN 10
• Overall length (L1): 40 mm
• Thread length (L2): 11 mm
• Shank diameter (d2): 3.5 mm
• Square drive size (k): 2.7 mm
• Number of flutes: 3

Why choose it

The set includes all three taps needed for a complete threading operation, from starting the thread to finishing at the bottom of a blind hole. The HSS construction withstands the demands of general-purpose tapping, and the bright finish reduces friction for smoother cutting.

Ideal use cases

• Creating M3 threads in metalworking and repair jobs
• Threading holes in steel, cast iron, and non-ferrous metals
• Working with plastics that require precise metric threads

Good to know

Always use a suitable cutting fluid and ensure the core hole is drilled to the recommended diameter of 2.5 mm for optimal thread engagement.