Thread Tap FANAR M8 DIN 376B 6H HSSE TN 800X

FANAR thread tap for M8 metric threads manufactured to the DIN 376B standard with 6H tolerance class. This straight-flute hand tap is made from HSSE (high-speed steel with cobalt) and carries the TN 800X marking, designed for cutting internal threads in metal components. The tool is intended for workshop work, maintenance and precision threading tasks where DIN 376B taps are specified, providing consistent thread form and dimensional accuracy when used with appropriate drilling and tapping procedures.

Advantages

The HSSE material offers enhanced wear resistance and thermal stability compared with standard high-speed steel, extending tool life in demanding metalworking conditions. The straight flute geometry facilitates chip evacuation in through-holes and simplifies hand-tightening operations. Conformity to DIN 376B and a 6H tolerance class ensures compatibility with standard metric M8 nuts and mating parts, supporting repeatable and accurate internal threads.

Suitable for

• Cutting M8 internal threads in steel and non-ferrous metals
• Workshop tapping and maintenance operations
• Precision threading where DIN 376B standard taps are required
• Manual hand tapping and use in tapping holders for controlled feed

Key specifications

• Thread size: M8 metric
• Thread standard: DIN 376B (straight flute hand tap)
• Tolerance class: 6H
• Material: HSSE (high-speed steel with cobalt)
• Flute type: straight flute
• Marking: TN 800X

How to use

Select the correct drill diameter for a pilot hole prior to tapping, following DIN recommendations for M8 threads. Secure the workpiece and align the FANAR tap perpendicular to the hole. Use steady, even pressure and rotate the tap clockwise to cut the thread, then reverse periodically to break and clear chips. Apply suitable cutting fluid for the workpiece material to improve lubrication and chip flow. For blind holes, take care not to bottom out the tap; for through-holes, ensure chip evacuation through the hole.

Usage recommendations

Use appropriate cutting fluid and a tapping holder or wrench to maintain alignment. Inspect the pilot hole and remove burrs before tapping. Replace the tap if wear or damage impairs thread quality.