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Description
Technical data for the UNC 1 3/8-6 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNC 1 3/8-6 | |
| Thread Pitch P in Inches and mm | 6 threads per inch | 4.23 mm |
| Thread Diameter mm / Decimal | 34.93 mm / 1.375 in | |
| Outside Diameter d2 | 65 mm | |
| Thickness h1 | 25 mm | |
| Number of Chip Holes | 5 | |
| Required Shaft Diameter | 34.63 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
Die UNC 1 3/8-6 HSS – inch thread for large connections
Die UNC 1 3/8-6 is used to cut external threads with a diameter of 1 3/8 inch (34.93 mm) and 6 threads per inch. This size is used in the heaviest industrial structures, construction machinery, and power equipment. High-speed steel (HSS) ensures durability when machining large diameters.
Advantages of the UNC 1 3/8-6 inch threading die
- Large diameter of 34.93 mm – for connections subjected to extreme loads
- 6 threads per inch – very coarse pitch for maximum load capacity
- HSS material – efficient machining of structural steels up to 800 MPa
- Manufactured according to DIN 22568 – compatibility with industrial holders
- 60° profile – compliance with ANSI B1.1
A product chosen by heavy industrial plants, energy companies, and mining and lifting machinery service providers. Essential when working with the largest fasteners.
Frequently asked questions
1 3/8 inch is exactly 34.93 mm. Conversion factor: 1 inch = 25.4 mm. Calculation: 25.4 mm × 1.375 = 34.93 mm.
The Unified system also includes: UNF – fine threads, UNEF – extra fine threads, UNS – special nonstandard threads, and UN – constant-pitch threads: 4, 6, 8, 12, 16, 20, 28, or 32 threads per inch.
UNC threads have a coarser pitch and fewer threads per inch than UNF. A diameter of 1 3/8 inch has 6 threads per inch in UNC and 12 threads per inch in UNF. Thread pitch gauges are used for verification.
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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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