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Technical data of 1/4-28 UNF machine threader
- nominal diameter d1 - 1/4-28,
- thread pitch P - 28" coils per inch,
- total length l1 - 80 mm,
- length of the working part l2 - 10 mm,
- length of the usable part l3 - 30 mm,
- diameter of the shank part d2 - 7 mm,
- size of the square driver - 5.5 mm,
- diameter of the threaded hole - 5,5 mm
- nut B- (3.5÷5.5) P
1/4-28 UNF machine threader for stainless steel, American
Modern 1/4-28 UNF machine taps with extended shank for cutting American unified type UNF threads. These are ¼ inch fine threads (28 turns per inch). Tapping cap B - for machining various lengths of through-holes and blind holes in materials giving short chips. The 1/4-28 UNF unified machine threaders we offer are designed for threading parts made of very hard and hard-to-machine materials, including alloy steels, heat-resistant steels, acid-resistant steels, cast iron, cast steel, steel up to 800 MPa. The machine threaders in question are suitable even for cutting at very high speeds, during which very high temperatures are generated. The blades of the taps are resistant to mechanical damage (breaking, cracking, chipping, dulling). As a result, the tools can be used for a very long time.
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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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