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Description
Technical data for the UNC 7/16-14 left-hand die
| Technical data | ||
|---|---|---|
| Nominal Diameter d1 Inches/mm/Decimal | UNC 7/16-14 LH | |
| Thread Pitch P in Inches and mm | 14 threads per inch | 1.81 mm |
| Thread Diameter mm / Decimal | 11.11 mm / 0.4375 in | |
| Outside Diameter d2 | 30 mm | |
| Thickness h1 | 11 mm | |
| Number of Chip Holes | 4 | |
| Required Shaft Diameter | 10.95 mm | |
| Thread angle G | 60° | |
| Thread Standard | ANSI B-1.1 | |
UNC 7/16-14 left-hand HSS die – left-hand inch thread for special applications
UNC 7/16-14 left-hand die enables cutting of left-hand external threads with a diameter of 7/16 inch (11.11 mm) and a pitch of 14 threads per inch. Left-hand threads are used where rotational motion can cause loosening. HSS 800 steel ensures high tool durability.
Features of the UNC 7/16-14 left-hand die
- Left-hand thread – protection against self-loosening in rotating mechanisms
- Diameter of 11.11 mm – size used in industrial machinery and automotive applications
- HSS steel, 800 MPa – effective machining of carbon and alloy steels
- 14 threads per inch – standard pitch for this size
- DIN 22568 – compatibility with industrial holders
An essential die for repairing fans, centrifuges, spindles, and other equipment with rotating components. Ensures secure joints under demanding operating conditions.
Frequently asked questions
7/16 inch equals 11.11 mm. Conversion factor: 1 inch = 25.4 mm. Calculation: 25.4 mm × 7 ÷ 16 = 11.11 mm.
The Unified family includes: UNF – fine thread, UNEF – extra fine thread, UNS – special thread with nonstandard dimensions, and UN – constant-pitch threads: 4, 6, 8, 12, 16, 20, 28, or 32 threads per inch.
UNC has a coarser pitch and fewer threads per inch than UNF. The 7/16 inch UNC thread has 14 threads per inch, while the 7/16 inch UNF thread has 20 threads per inch. Thread pitch gauges are used for identification.
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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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