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Description
Technical data for the UNF 7/16-20 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNF 7/16-20 | |
| Thread Pitch P in Inches and mm | 20 threads per inch | 1.27 mm |
| Thread Diameter mm / Decimal | 11.11 mm / 0.4375 in | |
| Outside Diameter d2 | 30 mm | |
| Thickness h1 | 11 mm | |
| Number of Chip Holes | 5 | |
| Required Shaft Diameter | 10.98 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
UNF 7/16-20 HSS die – versatile tool for fine threads
UNF 7/16-20 die enables production of external threads with a diameter of 7/16 inch (11.11 mm) and a pitch of 20 threads per inch. The UNF (Unified National Fine) system provides 43% more threads than its UNC 7/16-14 counterpart, resulting in higher load capacity and better resistance to loosening. HSS material ensures durability when machining materials up to 800 MPa.
Features of the UNF 7/16-20 die
- Pitch of 20 threads/inch – a 43% finer pitch than UNC 7/16-14
- Diameter of 11.11 mm – popular in hydraulics, pneumatics, and automotive applications
- HSS high-speed steel – effective machining of structural steels and light alloys
- Conforms to DIN 22568 – quality verified by a European standard
- Thread angle 60° – compliance with the Unified National system ANSI B1.1
The tool is used in hydraulic fitting manufacturing, servicing American machinery, and the automotive industry. The UNF 7/16-20 fine thread minimizes the risk of loosening under vibration.
Frequently asked questions
A diameter of 7/16 inch equals 11.11 mm. Calculation: 0.4375 × 25.4 mm = 11.1125 mm ≈ 11.11 mm.
UNF has 20 threads per inch, while UNC has only 14. The difference is 6 threads, meaning UNF has a 43% higher thread density.
In hydraulics, pneumatics, automotive applications, and servicing machinery requiring leak-tight, stable joints.
Product accessories
Thread ring gauge UNF 7/16-20 2A GO NO-GO
Reference: 15414 In stock < 10 items
€50.00
€61.50 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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