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Description
Technical data for the No 10-24 machine tap
| Technical data | |
|---|---|
| nominal diameter d1 | No 10-24 |
| thread pitch P | 24 threads per inch |
| overall length l1 | 70 mm |
| flute length l2 | 14 mm |
| shank diameter d2 | 6 mm |
| square drive size a | 4.9 mm |
| tap drill diameter | 3.9 mm |
| Chamfer | C (2÷3) P |
| Length l3 | 25 mm |
Where chips remain in a straight-flute tap
The flute holds the chips until the tap is reversed out
The straight flute runs parallel to the tap axis. It has no helix to carry chips upward. The chamfer cutting edges are not ground at an angle, so they do not push chips downward. Short chips break into fragments and remain in the flute beside the cutting edges that produced them. They leave the hole only when the tap is backed out. The UNC No 10-24 tap has a reinforced shank according to DIN 371: diameter 6 mm, square size 4.9 mm.
1
Straight flute – chips remain in the flute, next to the cutting edges that produced them.
2
Chamfer C: 2–3 incomplete threads on the tapered lead.
3
The tap rotates clockwise to cut a right-hand thread.
4
Individual fragments exit at the top, onto the workpiece surface.
5
A few fragments fall below the tip and exit through the bottom of the hole.
6
The UNC No 10-24 thread has 24 threads per inch; the feed is approximately 1.058 mm/rev.
No 10-24 American coarse-thread machine tap
Modern No 10-24 machine taps for Unified threads from the well-known Narex brand. Designed for cutting Unified coarse threads, UNC No 10-24 inch (diameter), with 24 threads per inch. The tolerance class of the threads produced is 2B, with a form C chamfer – for through holes and blind holes in materials producing medium or long chips. Our taps are made from high-grade Inox HSSE cobalt high-speed steel. This high-speed steel offers excellent cutting performance, enabling machining of even very hard and difficult-to-machine materials in categories P1.2 – P1.3. These include metals, nonferrous metals, unalloyed (carbon) steels, plastics, and metal alloys. The taps also offer high resistance to the elevated temperatures generated during high-speed cutting. Their cutting edges very rarely suffer breakage, cracking, or other mechanical damage. As a result, these taps provide a very long service life.
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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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