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Description
Technical data for the UNC 5/8-11 die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNC 5/8-11 | |
| Thread Pitch P in Inches and mm | 11 threads per inch | 2.31 mm |
| Thread Diameter mm / Decimal | 15.88 mm / 0.625 in | |
| Outside Diameter d2 | 45 mm | |
| Thickness h1 | 18 mm | |
| Number of Chip Holes | 5 | |
| Required Shaft Diameter | 15.68 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |

Die UNC 5/8-11 HSS – strong inch threads for load-bearing connections
UNC 5/8-11 die is used to cut external threads with a diameter of 5/8 inch (15.88 mm) and 11 threads per inch. This size is used in connections subject to substantial mechanical loads. HSS construction ensures high durability and threading precision.
Features of the UNC 5/8-11 inch threading die
- Diameter of 15.88 mm – a size for connections under moderate to heavy loads
- 11 threads per inch – coarse pitch for high thread strength
- HSS material – efficient machining of structural steels up to 800 MPa
- Manufactured according to DIN 22568 – fits standard tool holders
- 60° profile – universal thread profile of the Unified system
A die designed for heavy industry, construction companies, and agricultural and construction machinery service centers. Indispensable when working with large fasteners.
Frequently asked questions
5/8 inch is exactly 15.88 mm. Conversion factor: 1 inch = 25.4 mm. Calculation example: 25.4 mm × 5 ÷ 8 = 15.88 mm.
The Unified family also includes: UNF – fine threads, UNEF – extra fine threads, UNS – special 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 threads. At a diameter of 5/8 inch, UNC has 11 threads per inch and UNF has 18 threads per inch. Identification is performed using inch thread gauges.
Product accessories
Hand tap UNC 5/8-11 DIN 352/3 HSS 2B
Reference: 0000006466 In stock > 10 items
€48.55 brutto
Thread ring gauge UNC 5/8-11 2A GO NO-GO
Reference: 15407 In stock < 10 items
€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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