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Description
Technical data for the UNS 1/4-36 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNS 1/4-36 | |
| Thread Pitch P in Inches and mm | 36 threads per inch | 0.71 mm |
| Thread Diameter mm / Decimal | 6.35 mm / 0.25 in | |
| Outside Diameter d2 | 20 mm | |
| Thickness h1 | 7 mm | |
| Number of Chip Holes | 4 | |
| Required Shaft Diameter | 6.25 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
American die UNS 1/4-36 HSS – professional tool for Unified special threads
Die UNS 1/4-36 is a precision cutting tool for producing external inch threads with a small diameter and an extra fine pitch. UNS (Unified National Special) denotes a thread with a special combination of diameter and pitch that is not available in the standard UNC or UNF series. The tool is made of high-speed steel (HSS) in accordance with DIN 22568.
Key advantages of the UNS 1/4-36 die
- Very fine pitch of 36 TPI (0.706 mm) – ideal for precision mechanisms and thin-walled components
- HSS steel for strengths up to 800 MPa – provides durability and cutting precision in steels, aluminum, and brass
- Tolerance class 2A according to ANSI – standard accuracy class ensuring proper fit with a 2B nut
- Conforms to DIN 22568 – verified tool manufacturing quality and dimensions
- Compact diameter of 1/4 inch (6.35 mm) – for small components in electronics and precision instruments
The UNS 1/4-36 inch threading die is used in the manufacture of measuring instruments, optics, and adjustment mechanisms. The American UNS 1/4-36 die is the choice of professionals requiring an extremely fine pitch for precise connections. Order a tool that meets the highest quality standards.
Frequently asked questions
The 1/4-inch diameter converted: 1/4 × 25.4 mm = 6.35 mm. A thread pitch of 36 TPI means: 25.4 mm ÷ 36 = 0.706 mm per thread.
The UNF 1/4 thread has 28 TPI, while UNS 1/4-36 has a much finer pitch of 36 TPI. The difference of 8 threads per inch provides greater adjustment precision and a stronger connection.
The UNS 1/4-36 thread is used in precision instruments, optics, and electronics. It is suitable for components requiring accurate adjustment and vibration resistance.
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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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