Thread tap FANAR M9x1 NGMM/2 DIN-2181 (6H) HSS

FANAR Thread tap M9x1 NGMM/2 DIN-2181 (6H) HSS is a solid high-speed steel tool designed to produce precise M9x1 metric internal threads. Manufactured according to DIN 2181 form NGMM/2 with 6H tolerance, this HSS tap is intended for manual or machine tapping operations in metalworking environments. It is suitable for cutting internal threads in steel and similar materials where accuracy and consistent thread quality are required for repair, production, or prototyping tasks.

Advantages

The HSS construction provides good wear resistance and heat tolerance during cutting, enabling reliable performance in a range of steel alloys and comparable materials. Conformance to DIN 2181 ensures standardized thread form and dimensions, while the 6H tolerance class supports tight fitting requirements. The tap’s geometry is optimized for thread forming and chip evacuation in through and blind hole applications when used with appropriate tapping techniques and lubricants.

Suitable for

• Cutting M9x1 internal metric threads in steel components
• Repairing threaded holes in machinery and equipment
• Prototype and small-series metalworking
• Machine or hand tapping in workshops

Key specifications

• Thread size: M9x1 (metric)
• Material: High-speed steel (HSS)
• Thread form: DIN 2181 NGMM/2
• Tolerance class: 6H
• Application: Internal thread cutting for steel and similar metals

How to use

Select an appropriate pilot drill to achieve the correct core diameter for M9x1 tapping, secure the workpiece, and clamp the tap in a suitable tool holder or T-handle for manual tapping. Apply an appropriate cutting lubricant for the work material and start the tap at low speed or steady manual rotation to ensure correct alignment. Use moderate, consistent feed and periodically reverse the tap to break chips and clear flutes. For machine tapping, set spindle speed and feed to match material and tool recommendations, monitor cutting conditions, and stop if excessive force or chatter occurs.

Usage recommendations

Use cutting fluid suitable for steel to extend tool life and improve surface finish; verify drill size before tapping to ensure thread accuracy; replace the tap when signs of wear or chipping appear. For blind holes, control depth carefully and frequently clear chips to avoid jamming. When working with hardened steels or abrasive materials, consider pre-drilling with carbide tools or selecting a coated or specialized tap.