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            | Cross recessed dry wall screw | 
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            | Technical Parameter | 
            | | No. | 6 | 7 | 8 |  | d | 3,5 | 3,9 | 4,2 |  | dk | 8,3 | 8,3 | 8,3 |  | No. cross recess | 2 | 2 | 2 | 
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            | Product Category | 
            | | Driving features | Material | Surface treatment |   | Packaging | Code | Page |  | Phillips   | St | Phosph. | single-flight thread | Standard | 31300 | 6-158 |  | Phillips   | St | Phosph. | two-start thread | Standard | 31305 | 6-158 | 
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