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            | Hexagon head tapping screw | 
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                    |  |  | ISO 1479C DIN 7976C BS 4174 ANSI B18.6.5M NF E25-662C |  |  | 
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            | Technical Parameter | 
            | | d | P | k | s |  | ST2,9 | 1,1 | 1,5 | 5 |  | ST3,5 | 1,3 | 2,3 | 5,5 |  | ST3,9 | 1,3 | 2,3 | 7 |  | ST4,2 | 1,4 | 2,8 | 7 |  | ST4,8 | 1,6 | 3 | 8 |  | ST5,5 | 1,8 | 4 | 8 |  | ST6,3 | 1,8 | 4,8 | 10 |  | ST8 | 2,1 | 5,8 | 13 | 
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            | Product Category | 
            | | Thread | Driving features | Material | Surface treatment |   | Packaging | Code | Page |  | ST | hexagon | St | Zipl |   | Standard | 26080 | 6-88 |  | ST | hexagon | St | Zipl | without point | Standard | 26180 | 6-88 |  | ST | hexagon | St.St. A2 |   |   | Standard | 51650 | 6-89 | 
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