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Description
Technical data for the UNF No 10-32 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNF No 10-32 | |
| Thread Pitch P in Inches and mm | 32 threads per inch | 0.79 mm |
| Thread Diameter mm / Decimal | 4.83 mm / 0.19 in | |
| Outside Diameter d2 | 20 mm | |
| Thickness h1 | 7 mm | |
| Number of Chip Holes | 3 | |
| Required Shaft Diameter | 4.73 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |

Die UNF No 10-32 HSS – a robust tool for fine threads
UNF No 10-32 die is used to cut external threads with a No 10 diameter (4.83 mm) and 32 threads per inch. The UNF (Unified National Fine) standard provides 33% more threads than its UNC No 10-24 counterpart, resulting in higher load capacity and better vibration resistance. HSS steel construction ensures tool durability.
Features of the No 10-32 UNF fine thread die
- Fine pitch of 32 threads/inch – 1/3 more threads than UNC No 10-24
- Diameter of 4.83 mm – popular in electronics, automation, and instrument manufacturing
- High-speed steel (HSS) for materials up to 800 MPa – for machining steel, aluminum, and brass
- Conforms to DIN 22568 – quality verified by a European standard
- Unified National system – full compliance with ANSI B1.1 standards
The tool is used in electronic equipment manufacturing, industrial automation, and precision engineering. The fine UNF pitch provides a more stable connection than the UNC coarse thread.
Frequently asked questions
Calculate: 0.060" + (10 × 0.013") = 0.190" × 25.4 = 4.83 mm. Size No 10 is 4.83 mm.
UNF has 32 threads/inch, while UNC has only 24. The fine thread has a 33% higher thread count (8 more threads).
UNF offers a larger contact area, better vibration resistance, and more precise connection adjustment.
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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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