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Description
Technical data of 1/4-20 UNC hand tapping machine
- thread diameter d1 - 1/4- 6,35 mm
- thread pitch 1"/P - 20 turns
- total length l1 - 50 mm
- length of working part l2 - 18 mm
- diameter of grip part d2 - 6 mm
- length of the side of the square driver a - 4,9 mm
- threaded hole - 5,1 mm
Set of 1/4-20 inch UNC American hand threaders
A set of three high-quality 1/4-20 inch UNC hand t aps from the well-known Serbian company FRA - Fabrika Reznog Alata - Cacak. The offered tools are designed for making American unified ordinary UNC threads with a diameter of 1/4 inch and 20 coils per 1 inch. They are suitable for threading through-holes and blind holes in parts made of materials marked P1.2 - P1.3 (non-alloy steels, metals, non-ferrous metals, metal alloys). The tools are manufactured from special HSS - High Speed Steel. This is a unique material, which makes the tools made of it have high resistance to difficult cutting conditions. The blades of the threaders are resistant to breaking, blunting, cracking and even chipping. These features make the threaders have a very long service life. It should also be added that the use of high-speed steel in the manufacture of threading dies results in high cutting performance with simultaneous high accuracy of the cut threads. Thread accuracy class 2B, the tools are made in accordance with the standard marked with the symbol ISO 529
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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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