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Description
Technical data for the UNF No 8-36 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNF No 8-36 | |
| Thread Pitch P in Inches and mm | 36 threads per inch | 0.71 mm |
| Thread Diameter mm / Decimal | 4.17 mm / 0.164 in | |
| Outside Diameter d2 | 20 mm | |
| Thickness h1 | 7 mm | |
| Number of Chip Holes | 3 | |
| Required Shaft Diameter | 4.08 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UNF No 8-36 HSS – a tool for precision fine threads
UNF No 8-36 die is designed to cut external threads with a No 8 diameter (4.17 mm) and 36 threads per inch. The UNF (Unified National Fine) system offers a finer pitch than standard UNC, providing greater precision and better resistance to loosening. HSS steel enables machining of materials up to 800 MPa.
Advantages of the UNF No 8-36 die
- Pitch of 36 threads/inch – a 12.5% finer pitch than UNC No 8-32
- Diameter of 4.17 mm – for precision electronics, automation, and adjustment mechanisms
- HSS material for workpieces up to 800 MPa – effective machining of structural steels and light alloys
- DIN 22568 – European standard for quality and dimensional accuracy
- Thread profile angle 60° – compatibility with the Unified National ANSI B1.1 system
The die is used in measuring instrument manufacturing, electronic equipment production, and precision engineering. The finer UNF thread ensures a more stable connection under vibration.
Frequently asked questions
Use the formula: 0.060" + (8 × 0.013") = 0.164". After conversion: 0.164 × 25.4 = 4.17 mm.
UNF has 36 threads per inch, while UNC has only 32. The fine thread has a 12.5% higher thread count.
In precision electronics, automation, measuring instruments, and mechanisms requiring accurate adjustment.
Product accessories
UNF No 8-36 DIN 374 C HSSE tapping tool
Reference: 0000006262 In stock < 10 items
€7.89
€9.71 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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