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            | Hexagon slotted and castle nut UNF | 
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                    |  |  | BS ≈1768 |  |  | 
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            | Technical Parameter | 
            | | d | Threads per inch | G | A | M |  | 1/4 | 28 | 5,7 | 7/16 | 2 |  | 3/8 | 24 | 8, | 9/16 | 3,2 |  | 7/16 | 20 | 9,7 | 11/16 | 3,2 |  | 1/2 | 20 | 11,2 | 3/4 | 4 |  | 5/8 | 18 | 14 | 15/16 | 4,8 |  | 3/4 | 16 | 16,5 | 1.1/8 | 4,8 |  | 7/8 | 14 | 19,3 | 1.5/16 | 4,8 |  | 1.IN.-12G | 12 | 22,2 | 1.1/2 | 6,4 |  | 1.IN.-14G | 14 | 22,2 | 1.1/2 | 6,4 |  | 1.1/4 | 12 | 27,6 | 1.7/8 | 8 |  | 1.1/2 | 12 | 33,3 | 2.1/4 | 9,5 | 
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            | Product Category | 
            | | Thread | Driving features | Material | Class | Packaging | Code |  | UNF | hexagon | St | 6 | Standard | 12161 | 
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