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Description
Technical data for the UN 1 1/8-16 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UN 1 1/8-16 | |
| Thread Pitch P in Inches and mm | 16 threads per inch | 1.59 mm |
| Thread Diameter mm / Decimal | 28.58 mm / 1.125 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 1/8-16 HSS – inch threading die for medium-sized threads
UN 1 1/8-16 die is a professional tool for cutting medium-sized external threads in the American constant-pitch system. Made from high-speed steel (HSS) in accordance with DIN 22568, the tool cuts threads with a diameter of 1 1/8 inches (28.58 mm) and 16 threads per inch.
Main advantages of the UN 1 1/8-16 die
- Pitch of 16 TPI – versatile constant pitch combining strength with threading precision
- HSS material – capable of machining steels with strength up to 800 MPa, as well as aluminum and brass
- Tolerance 2A in accordance with ANSI B1.1 – ensures a proper fit with American nuts and bolts
- Thread profile angle 60° – compatibility with the entire Unified thread system
- Manufactured according to DIN 22568 – reliable dimensions and fit in standard holders
UN 1 1/8 die is selected by maintenance departments servicing American machinery and by fastener manufacturers. A diameter of 28.58 mm and a pitch of 16 TPI form a combination used in heavy industry and construction.
Frequently asked questions
A diameter of 1 1/8 inches equals 28.58 mm. The conversion factor is 25.4 mm per inch. Result: 1.125 × 25.4 = 28.58 mm.
UN features a constant pitch independent of diameter, whereas UNC and UNF pitches vary with each size. A UN 16 thread always has 16 threads per inch regardless of diameter.
The UN system offers constant pitches of 4, 6, 8, 12, 16, 20, 28, and 32 threads per inch. Pitch selection is determined by the load capacity and accuracy requirements of the joint.
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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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