RUKO HGB-DIN2181-HSS-60°-MF-20x2.00mm handtap

Cutting precise metric fine threads in tough materials demands a tap that holds its edge and stays true. The RUKO HGB-DIN2181-HSS-60°-MF-20x2.00mm hand tap is built for exactly that: a high-speed steel tool ground to DIN 2181 standards, with a 60° thread angle and a 2.00 mm pitch for M20 fine threads.

Who is it for

Machinists, maintenance technicians, and metalworking professionals who need reliable internal threading in steel, cast iron, and non-ferrous metals. It suits both workshop and on-site repair work where hand tapping is required.

Main features

• Metric fine thread M20 × 2.00 mm, right-hand cutting
• High-speed steel (HSS) for durability and heat resistance
• DIN 2181 geometry with 4 flutes for smooth chip evacuation
• Bright, uncoated finish for general-purpose use
• Cylindrical shank with square drive for secure tap wrench grip

Specifications

• Thread standard: DIN 2181
• Thread type: Metric fine (MF)
• Nominal diameter: M20
• Thread pitch: 2.00 mm
• Thread angle: 60°
• Cutting direction: Right-hand
• Tolerance class: ISO 2 (6H)
• Number of flutes: 4
• Shank type: Cylindrical with square drive
• Surface finish: Bright / uncoated
• Overall length: 140 mm
• Thread length: 45 mm
• Shank diameter: 16.0 mm
• Square drive size: 12.5 mm
• Recommended pilot hole diameter: 18.00 mm

Tips

Use a suitable cutting fluid and back off the tap every half turn to break chips. For blind holes, clean out chips frequently to avoid binding.