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Description
Technical data for the UNEF 5/16-32 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNEF 5/16-32 | |
| Thread Pitch P in Inches and mm | 32 threads per inch | 0.79 mm |
| Thread Diameter mm / Decimal | 7.94 mm / 0.3125 in | |
| Outside Diameter d2 | 25 mm | |
| Thickness h1 | 9 mm | |
| Number of Chip Holes | 4 | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UNEF 5/16-32 HSS – precision extra fine thread inch die
UNEF 5/16-32 die is a specialized tool for cutting external threads with the finest pitch to the American Extra Fine standard. Made of high-speed steel (HSS) in accordance with DIN 22568, it cuts threads with a diameter of 5/16 inch (7.94 mm) and a pitch of 32 threads per inch for applications requiring maximum precision.
Advantages of the UNEF 5/16-32 HSS die
- Maximum thread density of 32 TPI – the finest threads ensuring extreme accuracy and joint stability
- HSS high-speed steel – capable of machining structural steels up to 800 MPa and nonferrous metals
- Tolerance 2A in accordance with ANSI B1.1 – standard accuracy grade for precision fits
- 60° thread profile – full conformity with the Unified thread family
- DIN 22568 standard – universal fit for die holders and threading heads
UNEF 5/16 die is used in the electronics industry, precision optics, and measuring equipment. A diameter of 7.94 mm with a pitch of 32 TPI is the choice for miniature joints resistant to vibration and self-loosening.
Frequently asked questions
A diameter of 5/16 inch equals 7.94 mm. The conversion factor is 25.4 mm per inch. Calculation result: 0.3125 × 25.4 = 7.94 mm.
UNEF features the finest pitch in the Unified family. UNC is coarse, UNF is fine, and UNEF is extra fine. For 5/16 inch: UNC has 18 TPI, UNF has 24 TPI, and UNEF offers 32 TPI.
The Unified family also includes: UNC – coarse threads, UNF – fine threads, UNS – special threads with unusual parameters, and UN – constant-pitch series: 4, 6, 8, 12, 16, 20, 28, or 32 threads per inch.
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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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