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Description
Technical data for the UNEF 9/16-24 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNEF 9/16-24 | |
| Thread Pitch P in Inches and mm | 24 threads per inch | 1.06 mm |
| Thread Diameter mm / Decimal | 14.29 mm / 0.5625 in | |
| Outside Diameter d2 | 38 mm | |
| Thickness h1 | 10 mm | |
| Number of Chip Holes | 5 | |
| Required Shaft Diameter | 14.17 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UNEF 9/16-24 HSS – professional extra fine thread die
UNEF 9/16-24 die is a specialized tool for cutting external threads to the American Extra Fine standard. Made of high-speed steel (HSS) in accordance with DIN 22568, it cuts threads with a diameter of 9/16 inch (14.29 mm) and a pitch of 24 threads per inch on precision components.
Key features of the UNEF 9/16-24 die
- Extra fine pitch, 24 TPI – fine threads ensuring precise adjustment and joint stability
- HSS high-speed steel – durability when machining structural steels up to 800 MPa and non-ferrous metals
- Tolerance 2A in accordance with ANSI B1.1 – standard accuracy for industrial joints
- Thread angle 60° – full compatibility with the Unified thread system
- DIN 22568 standard – dimensional reliability and fit for industrial die holders
UNEF 9/16 die is used in the aerospace industry, precision hydraulics, and the manufacture of fasteners for machines imported from the USA. A diameter of 14.29 mm with a pitch of 24 TPI provides resistance to self-loosening under dynamic conditions.
Frequently asked questions
A dimension of 9/16 inch corresponds to 14.29 mm. The conversion factor is 25.4 mm per inch. Calculation: 0.5625 × 25.4 = 14.29 mm.
UNEF offers the finest pitch among Unified threads. UNC is coarse, UNF is fine, and UNEF is extra fine. For 9/16 inch: UNC is 12 TPI, UNF has 18 TPI, and UNEF has 24 TPI.
The Unified family also includes: UNC – coarse threads, UNF – fine threads, UNS – special threads with nonstandard dimensions, and UN – constant-pitch series with 4, 6, 8, 12, 16, 20, 28, or 32 TPI.
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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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