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Description
Technical data for the UNF 9/16-18 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNF 9/16-18 | |
| Thread Pitch P in Inches and mm | 18 threads per inch | 1.41 mm |
| Thread Diameter mm / Decimal | 14.29 mm / 0.5625 in | |
| Outside Diameter d2 | 38 mm | |
| Thickness h1 | 10 mm | |
| Number of Chip Holes | 5 | |
| Required Shaft Diameter | 14.14 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
UNF 9/16-18 HSS die – versatile tool for fine threads
UNF 9/16-18 die enables production of external threads with a diameter of 9/16 inch (14.29 mm) and a pitch of 18 threads per inch. The UNF (Unified National Fine) fine thread standard offers 50% more threads than the UNC 9/16-12 equivalent, providing a stronger joint and better sealing. HSS material ensures tool durability.
Key benefits of the UNF 9/16-18 die
- Pitch of 18 threads/inch – finer pitch than UNC (12 threads), higher thread load capacity
- Diameter of 14.29 mm – popular in hydraulics, pneumatics, and machinery manufacturing
- HSS high-speed steel – for materials with a strength of up to 800 MPa
- DIN 22568 – guaranteed dimensional accuracy and manufacturing quality
- Thread angle 60° – compliance with the Unified National system ANSI B1.1
The tool is used for servicing American machinery, manufacturing hydraulic fittings, and repairing industrial equipment. The fine UNF thread provides better resistance to loosening.
Frequently asked questions
A diameter of 9/16 inch is 14.29 mm. Calculation: 9/16 × 25.4 mm = 14.29 mm.
UNF has 18 threads/inch, while UNC has only 12. The UNF fine thread has a 50% higher thread density.
In hydraulics, pneumatics, precision fittings, and servicing American machinery requiring leak-tight connections.
Product accessories
Hand tap UNF 9/16-18 DIN 2181/2 HSS
Reference: 0000005744 In stock < 10 items
€12.63
€15.54 brutto
Thread ring gauge UNF 9/16-18 2A GO NO-GO
Reference: 15416 In stock < 10 items
€52.63
€64.74 brutto
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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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