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Description
Technical data of the hand tapping machine M20x1,25
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M20 |
| Thread pitch P mm | 1,25 mm |
| Overall length l1 | 80 mm |
| Length of working part l2 | 22 mm |
| Diameter of the shank part d2 | 16 mm |
| Size of square drive a | 12 mm |
| Threaded bore diameter | 18.8 mm |
| Thread angle G | 60 degrees |
| Thread standard | ISO DIN 13 |
| Thread tolerance | ISO2 6H |
M20x1.25 hand taps for stainless steel
Hand Tap M20x1.25 DIN 2181/2 HSSE is a precision tool designed for making fine M20 metric threads in stainless steels, hard-to-machine alloys and high hardness construction materials. Made of high-speed steel with cobalt addition (HSSE), it guarantees increased heat resistance, long life and excellent thread surface quality in unit and short-run machining.
Technical characteristics: nominal diameter of twenty millimeters, pitch of 1.25 millimeters, metric profile of sixty degrees according to ISO 68-1, hole tolerance class 6H according to ISO 965, right-hand direction. Straight chip grooves allow for smooth chip evacuation, and the ground surface provides minimal friction and edge stability. The two-part design in accordance with DIN 2181/2 - an insertion (I) and finishing (II) threader - distributes torsional torque and maintains alignment. In daily workshop work, the Set Taps M20x1.25 Hand Taps are particularly well suited to ensure correct sequence of passes and high repeatability of results.
- Heat resistance - cobalt-doped HSSE steel maintains the hardness of the blades even under increased heat load.
- Stable outline geometry - two-part design minimizes the risk of axis torsion and improves thread surface quality.
- Precise fit - the 6H tolerance guarantees a perfect fit with Class 6g male threads.
- High work culture - consistency and ergonomics of the process are supported by the M20x1.25 Hand Thread Set, facilitating torque control and machining sequence.
Meeting the requirements of DIN 2181/2 (execution), ISO 68-1 (thread profile) and ISO 965 (6H tolerance) guarantees compatibility with inspection instruments and predictable results in precision processes. The combination of high-strength HSSE steel, precision grinding and refined geometry ensures durability, dimensional stability and excellent thread finish in workshop and industrial applications.
M20x1.25 thread cutting stages in 2-piece set: ripper and finisher
Frequently asked questions
1. What does the M20x1.25 set include?
The set consists of two thread cutters - a peeler and a finisher, which, when used consecutively, guarantee full thread forming.
2. What materials is the M20x1,25 thread cutter designed for?
The HSS tool works well in machining low-carbon steel, aluminum, brass and other materials with good machinability.
3. Is the M20x1.25 DIN 2181 tapping tool suitable for blind holes?
Yes, the set can be used for both through-holes and blind holes, according to DIN 2181 and class 6H.
Product accessories
Tapered countersink 20.5/90 DIN 335 C HSS
Reference: 11248 In stock > 10 items
€12.89
€15.86 brutto
HSSE 18.5 cobalt metal drill bit DIN 338
Reference: 13299 In stock > 10 items
€18.42
€22.66 brutto
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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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