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Description
Technical data of the M68x3 manual threader
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M68 |
| Thread pitch P mm | 3 mm |
| Overall length l1 | 197 mm |
| Length of working part l2 | 48 mm |
| Diameter of shank part d2 | 45 mm |
| Size of square drive a | 35 mm |
| Threaded bore diameter | 66 mm |
| Thread angle G | 60 degrees |
| Thread standard | ISO DIN 13 |
| Thread tolerance | ISO2 6H |
M68x3 fine thread hand taps
Hand Tap M68x3 ISO 529/2 6H HSS is part of the M68x3 Hand Taps Set designed for making metric threads with a pitch of three millimeters in structural steels, alloys and cast iron. It provides an accurate coil outline and stable Class 6H fit in unit and short-run machining.
Technical specifications include a nominal diameter of sixty-eight millimeters with a pitch of three millimeters and a metric profile with an angle of sixty degrees according to ISO 68-1. The thread bore made to tolerance class 6H (according to ISO 965) guarantees a proper fit with the 6g shank. The right-hand version with straight chip grooves ensures effective chip evacuation and reduces the risk of jamming. HSS high-speed steel in ground finish maintains sharp edges and high resistance to micro-cracking. A two-part layout according to ISO 529/2 - an introduction part (I) and a finishing part (II) - distributes torsional loads and maintains machining alignment. In workshop practice, smooth workflow and torsional torque control are facilitated by the M68x3 Hand Tapping Set. Recommended drill bit: sixty-five millimeter; using coolant in the form of emulsion or active oil improves surface finish and blade life.
- Stable cutting process - dividing the process into two stages helps maintain an even load and clean coil profile.
- Wear resistance - high speed steel retains edge sharpness after grinding and minimizes roughness at the bottom of the thread.
- Precise fit - effective thread dimension maintained within 6H tolerance, confirmed by "pass/fail" checks.
- Uniform guidance - optimized groove geometry reduces the risk of jamming and improves control of the manual process.
Maintaining compliance with ISO 529/2, ISO 68-1 and ISO 965 ensures predictable measurement results and repeatable coil geometry. The balanced operation of the threading set translates into dimensional stability and high machining culture in shop applications.
M68x3 thread cutting stages in 2-piece set: ripper and finisher
Frequently asked questions
1. Is the M68x3 thread cutter suitable for blind holes?
Yes, the set can be used for both through holes.
2. What materials is the M68x3 tapping tool designed for?
The HSS tool works well for 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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