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Description
Technical data for the UNC 3/8-16 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNC 3/8-16 | |
| Thread Pitch P in Inches and mm | 16 threads per inch | 1.59 mm |
| Thread Diameter mm / Decimal | 9.53 mm / 0.375 in | |
| Outside Diameter d2 | 30 mm | |
| Thickness h1 | 11 mm | |
| Number of Chip Holes | 4 | |
| Required Shaft Diameter | 9.37 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UNC 3/8-16 HSS – a robust inch thread for general-purpose applications
UNC 3/8-16 die is designed to cut external threads with a diameter of 3/8 inch (9.53 mm) and 16 threads per inch. This size is widely used in steel structures, machinery, and industrial installations. HSS steel construction ensures reliability.
Key features of the UNC 3/8-16 die
- Diameter of 9.53 mm – a versatile size for connections under medium loads
- Pitch of 16 threads per inch – optimal balance between strength and ease of assembly
- HSS material – efficient machining of steels with a tensile strength of up to 800 MPa
- DIN 22568 standard – standardized dimensions for holders
- Thread angle 60° – Unified National system profile
A product designed for metalworking shops, assembly companies, and construction and agricultural machinery service centers. A proven solution for professional threading.
Frequently asked questions
3/8 inch corresponds to 9.53 mm. Conversion factor: 1 inch = 25.4 mm. Example calculation: 25.4 mm × 3 ÷ 8 = 9.53 mm.
The Unified system also includes: UNF – fine threads, UNEF – extra-fine threads, UNS – special threads, and UN – threads with constant pitches: 4, 6, 8, 12, 16, 20, 28, or 32 threads per inch.
A UNC thread has a coarser pitch and more widely spaced threads than UNF. For the 3/8-inch size, UNC has 16 threads per inch and UNF has 24. Inch thread pitch gauges are used for verification.
Product accessories
Thread ring gauge UNC 3/8-16 2A GO NO-GO
Reference: 15403 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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