RUKO HGB-DIN2181-HSS-60°-1/2x Metric Coarse Thread Tap M12 x 1.75 mm

Cutting precise internal threads in through holes can be challenging without the right tool. The RUKO HGB-DIN2181-HSS-60°-1/2x tap is engineered to produce clean, accurate metric coarse threads in a single pass, reducing rework and ensuring reliable thread fit.

Who is it for

This tap is intended for machinists, metalworkers, and maintenance professionals who need to create M12 x 1.75 mm threads in through holes. It suits both manual and machine tapping operations where a high-quality HSS ground tap is required.

Main features

• Metric coarse thread M12 with 1.75 mm pitch, conforming to DIN 2181.
• Made from HSS-G (high-speed steel, ground) for durability and sharp cutting edges.
• 60° thread angle with right-hand cutting direction and ISO 2 (6H) tolerance class.
• Parallel shank with 9.0 mm diameter and 7.0 mm square drive for secure tool holding.
• Three flutes for efficient chip evacuation in through holes.

Specifications

• Product type: Threading tap
• Thread size: M12
• Thread pitch: 1.75 mm
• Standard: DIN 2181
• Material: HSS-G
• Application: Through holes
• Thread angle: 60°
• Cutting direction: Right-hand
• Tolerance class: ISO 2 (6H)
• Shank type: Parallel shank
• Shank diameter: 9.0 mm
• Square drive size: 7.0 mm
• Overall length: 110 mm
• Thread length: 29 mm
• Number of flutes: 3
• Surface treatment: Bright
• Recommended core hole diameter: 10.2 mm

Tips

For best results, drill a core hole of 10.2 mm before tapping and use a suitable cutting fluid. Ensure the tap is aligned perpendicular to the workpiece to avoid thread damage.