RUKO HGB-DIN352-HSSCo-60°-M-20x2,50mm dokončovací závitník

This RUKO finishing tap is engineered for precision hand tapping of metric ISO threads, featuring a 60° flank angle and a tolerance class of ISO 2 (6H) for accurate thread profiles. Its high-speed steel with cobalt (HSSCo) construction provides enhanced heat and wear resistance, making it suitable for a wide range of materials including unalloyed and alloyed steels up to 1000 N/mm², stainless steels, cast iron, and non-ferrous metals.

Highlights

• Metric ISO thread M20 with 2.50 mm pitch
• DIN 352 standard finishing tap (third tap) for final thread cutting
• Right-hand cutting direction with 4 flutes for efficient chip evacuation
• Bright uncoated surface finish
• Suitable for through holes and blind holes with sufficient chip clearance

In daily use

The tap's 110 mm total length and 38 mm thread length provide ample reach for hand tapping operations. The 16 mm shank diameter and 12 mm square drive ensure a secure fit in standard tap wrenches. With its robust HSSCo material, this tap delivers consistent performance and long tool life in demanding applications.

Full specifications

• Thread type: Metric ISO thread
• Thread size: M20
• Thread pitch: 2.50 mm
• Standard: DIN 352
• Material: High-speed steel with cobalt (HSSCo)
• Application: Hand tapping
• Tap type: Finishing tap (third tap)
• Cutting direction: Right-hand cut
• Tolerance class: ISO 2 (6H)
• Total length: 110 mm
• Thread length: 38 mm
• Shank diameter: 16 mm
• Square drive: 12 mm
• Number of flutes: 4
• Flank angle: 60°
• Surface finish: Bright (uncoated)
• Recommended materials: Unalloyed and alloyed steels up to 1000 N/mm², stainless steels, cast iron, non-ferrous metals
• Hole type suitability: Through holes and blind holes (with sufficient chip clearance)

Final note

For reliable and precise hand tapping of M20 threads, this RUKO finishing tap is a dependable choice for workshops and maintenance professionals.