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Description
Technical specifications of the M72x4 manual threader
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M72 |
| Thread pitch P mm | 4 mm |
| Overall length l1 | 180 mm |
| Length of working part l2 | 70 mm |
| Diameter of shank part d2 | 50 mm |
| Size of square drive a | 39 mm |
| Threaded bore diameter | 68 mm |
| Thread angle G | 60 degrees |
| Thread standard | ISO DIN 13 |
| Thread tolerance | ISO2 6H |
M72x4 fine thread hand taps
Hand Tap M72x4 DIN 2181/2 6H HSS is designed for making metric fine-coil threads with a diameter of seventy-two millimeters and a pitch of four millimeters. Used in the manual machining of structural steels, stainless steels and non-ferrous metals, it guarantees high dimensional precision and a repeatable coil profile in unit and short-run production.
Nominal diameter 72 mm; pitch 4 mm; sixty-degree profile according to ISO 68-1; bore tolerance field 6H according to ISO 965; right-hand thread. Straight chip grooves provide controlled chip evacuation and guidance stability. Two-part design according to DIN 2181/2 - inserting part (I) and finishing part (II) - balances torsional torque and maintains alignment. Being made from HSS high speed steel in a ground version reduces micro-cracks and increases blade life. In workshop work, full control over the process and uniform load distribution is facilitated by the M72x4 Hand Tapping Set. Recommended drill bit: 68.0 mm; emulsion or active oil cooling improves surface finish.
- Stable guidance - a two-stage workflow reduces torsional vibration and eliminates the risk of overcutting.
- Wear resistance - precision-ground HSS maintains edge sharpness and minimizes wear in prolonged use.
- Class 6H accuracy - effective thread dimension confirmed by "pass/fail" tests ensures compliance with ISO 965.
- Uniform geometry - the precise functional division between the threadmill's members allows for a repeatable outline throughout the profile.
Meeting the requirements of DIN 2181/2 (design), ISO 68-1 (metric profile) and ISO 965 (Class 6H tolerances) ensures compliance with inspection equipment and dimensional predictability. In assembly and precision machining applications, consistency of work and dimensional integrity is supported by Set Taps Manual M72x4, making it easier to maintain the quality standard in repeatable machining cycles.
M72x4 thread cutting stages in a 2-piece set: ripper and finisher
Frequently asked questions
1. What is the pre-drilled hole for the M72x4?
Drill 68 mm (72 mm diameter minus 4 mm pitch) to get the correct profile fill in Class 6H.
2. What materials is the M72x4 tapping tool designed for?
The HSS tool works well on low-carbon steel, aluminum, brass and other materials with good machinability.
3. What are the advantages of being made of HSS?
HSS high-speed steel provides high durability, wear resistance and stable operation even in demanding conditions.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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