RUKO HGB-DIN352-HSS-60°-M33x3.50mm Hand Tap, Finishing Tap, Metric ISO Thread, Right-Hand, Bright

Machinists and metalworkers threading through-holes or blind holes in steel, cast iron, or non-ferrous metals will reach for the RUKO HGB-DIN352-HSS-60°-M33x3.50mm hand tap. This finishing tap cuts a clean M33 x 3.50 mm metric ISO thread with a 60° thread angle, made from high-speed steel for durability. The right-hand cutting direction and four flutes provide efficient chip evacuation in general purpose applications.

Key specifications

• Product type: Hand tap
• Tap type: Finishing tap
• Material: High-speed steel (HSS)
• Standard: DIN 352
• Thread type: Metric ISO thread
• Nominal thread diameter: M33
• Thread pitch: 3.50 mm
• Thread angle: 60°
• Tolerance class: ISO 2 (6H)
• Number of flutes: 4
• Cutting direction: Right-hand
• Overall length: 180 mm
• Thread length: 50 mm
• Shank diameter: 25.0 mm
• Square drive: 20.0 mm
• Surface finish: Bright

Why choose it

The HSS construction withstands the demands of threading unalloyed and alloyed steels up to 900 N/mm², malleable cast iron, and non-ferrous metals. Its DIN 352 compliance ensures consistent geometry, while the bright finish reduces friction during cutting.

Ideal use cases

• Creating or repairing M33 internal threads in machine components
• Finishing threads after pre-cutting with taper or plug taps
• Maintenance and repair work in metalworking shops

Good to know

Use with a suitable tap wrench and cutting fluid for best results. The square drive accepts standard tap holders.