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Description
Technical data for the UN 13/32-28 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UN 13/32-28 | |
| Thread Pitch P in Inches and mm | 28 threads per inch | 0.91 mm |
| Thread Diameter mm / Decimal | 10.32 mm / 0.4062 in | |
| Outside Diameter d2 | 38 mm | |
| Thickness h1 | 14 mm | |
| Number of Chip Holes | 4 | |
| Required Shaft Diameter | 10.23 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UN 13/32-28 HSS – precision inch threading die with a fine pitch
UN 13/32-28 die is a specialized tool for cutting fine-pitch external threads in the American constant-pitch system. Manufactured from high-speed steel (HSS) to DIN 22568, it cuts threads with a diameter of 13/32 inch (10.32 mm) and 28 threads per inch on components requiring high precision.
Advantages of the UN 13/32-28 die
- Fine pitch of 28 TPI – provides exceptional adjustment accuracy and resistance to loosening under vibration
- HSS construction – durability when machining structural steels up to 800 MPa and nonferrous metals
- Class 2A accuracy per ANSI B1.1 – standard tolerance class for precision joints
- 60° thread profile – compatibility with the Unified thread family
- DIN 22568 standard – proven quality and compatibility with industrial die stocks
Die UN 13/32 is used in precision manufacturing, aviation, and the production of test and measurement equipment. A pitch of 28 TPI combined with a diameter of 10.32 mm is a solution for specialized applications requiring minimal clearance in the threaded joint.
Frequently asked questions
A diameter of 13/32 inch equals 10.32 mm. The conversion factor is 25.4 mm per inch. Calculation: 0.40625 × 25.4 = 10.32 mm.
UN features a constant pitch regardless of thread diameter. In the UNC and UNF systems, the number of threads per inch varies with size. The designation UN 28 always indicates 28 threads per inch for any diameter.
The UN family offers the following constant pitches: 4, 6, 8, 12, 16, 20, 28, and 32 threads per inch. Pitch selection is determined by the design and load requirements of the joint.
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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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