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Description
Technical data for the UN 1 3/16-12 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UN 1 3/16-12 | |
| Thread Pitch P in Inches and mm | 12 threads per inch | 2.12 mm |
| Thread Diameter mm / Decimal | 30.16 mm / 1.1875 in | |
| Outside Diameter d2 | 65 mm | |
| Thickness h1 | 18 mm | |
| Number of Chip Holes | 6 | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UN 1 3/16-12 HSS – inch threading die for a pitch of 12 TPI
UN 1 3/16-12 die is used to produce external threads to the American standard with a constant thread count per inch. Manufactured from high-speed steel (HSS) to DIN 22568, it cuts threads with a diameter of 1 3/16 inch (30.16 mm) and 12 threads per inch on medium and large components.
Main advantages of the UN 1 3/16-12 die
- Pitch of 12 TPI – optimal for connections subjected to substantial axial and transverse loads
- HSS construction – capable of threading structural steels with tensile strengths up to 800 MPa and aluminum alloys
- Accuracy class 2A in accordance with ANSI B1.1 – correct fit with Unified system nuts
- 60° thread profile – compatibility with American fasteners
- DIN 22568 standard – universal fit in threading heads and die stocks
UN 1 3/16 die is used in the machinery industry and for restoring threads on imported machine parts. A diameter of 30.16 mm with a pitch of 12 TPI provides a stable connection in structures subjected to dynamic loads.
Frequently asked questions
A size of 1 3/16 inch equals 30.16 mm. The conversion factor is 25.4 mm/inch. Calculation: 1.1875 × 25.4 = 30.16 mm.
UN threads have a constant number of threads per inch regardless of diameter, while UNC and UNF have pitches that vary with size. UN 12 always means 12 threads per inch regardless of the nominal size.
The UN system specifies the following constant pitches: 4, 6, 8, 12, 16, 20, 28, and 32 threads per inch. The choice of pitch depends on the design requirements of the connection.
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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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