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Description
Technical data for the UNS 9/16-27 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNS 9/16-27 | |
| Thread Pitch P in Inches and mm | 27 threads per inch | 0.94 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 | 14.2 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UNS 9/16-27 HSS – special inch die with a nonstandard pitch
Die UNS 9/16-27 is a specialized tool for cutting external threads with an unusual pitch in the American Unified National Special system. 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 27 threads per inch.
Advantages of the UNS 9/16-27 HSS die
- Special pitch of 27 TPI – nonstandard thread density used in specific industrial applications
- UNS special thread – a solution for fasteners outside standard inch thread series
- 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 class for industrial fits
- DIN 22568 standard – dimensional reliability and compatibility with die holders
Die UNS 9/16 is used for servicing equipment imported from the USA and manufacturing specialized fasteners. The pitch of 27 TPI falls between the standard UNF (18 TPI) and UNEF (24 TPI) values, offering an intermediate thread option for special applications.
Frequently asked questions
A diameter of 9/16 inch equals 14.29 mm. The conversion factor is 25.4 mm per inch. Calculation result: 0.5625 × 25.4 = 14.29 mm.
UNS (Unified National Special) is a thread with nonstandard parameters. For a diameter of 9/16 inch, the standard pitches are: UNC 12 TPI, UNF 18 TPI, UNEF 24 TPI. A pitch of 27 TPI does not occur in any of these series, hence the UNS classification.
The Unified system also includes: UNC – coarse threads, UNF – fine threads, UNEF – extra fine threads, and UN – threads with a constant thread count: 4, 6, 8, 12, 16, 20, 28, or 32 per inch.
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| 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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