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Description
Technical data for the UNS 7/8-24 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNS 7/8-24 | |
| Thread Pitch P in Inches and mm | 24 threads per inch | 1.06 mm |
| Thread Diameter mm / Decimal | 22.23 mm / 0.875 in | |
| Outside Diameter d2 | 55 mm | |
| Thickness h1 | 16 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
American die UNS 7/8-24 HSS – professional tool for Unified special threads
Die UNS 7/8-24 is a precision cutting tool for producing external inch threads with a large diameter and a nonstandard 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 7/8-24 die
- Fine pitch of 24 TPI (1.058 mm) – exceptionally fine pitch at a large diameter for precise connections
- HSS steel for strengths up to 800 MPa – provides durability and cutting precision in structural and alloy steels
- 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
- Large diameter of 7/8 inch (22.23 mm) – for heavy structural components requiring a fine pitch
The UNS 7/8-24 inch threading die is used in the aerospace industry, motorsports, and the manufacture of precision machine components. The American UNS 7/8-24 die is the choice of professionals requiring a fine pitch at a large diameter. Order a tool that meets the highest quality standards.
Frequently asked questions
One inch equals 25.4 mm. For the UNS 7/8-24 thread, calculate: 7/8 × 25.4 mm = 22.23 mm in diameter. A thread count of 24 TPI gives a pitch of: 25.4 mm ÷ 24 = 1.058 mm.
A fine pitch of 24 TPI at a diameter of 7/8 inch provides more threads. This increases vibration resistance and enables precise adjustment in aerospace and racing applications.
The UNS 7/8-24 thread is used in aerospace, motorsports, and the defense industry. It is used wherever maximum strength and resistance to loosening are required.
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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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