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            | Slotted countersunk (flat) head wood screw | 
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                    |  |  | DIN 97 NEN 2250 NF E25-60 |  |  | 
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            | Technical Parameter | 
            | | ds | dk | k (max.)           | n |  | 2 | 3,8 | 1,2 | 0,5 |  | 2,5 | 4,7 | 1,5 | 0,6 |  | 3 | 5,6 | 1,65 | 0,8 |  | 3,5 | 6,5 | 1,93 | 0,8 |  | 4 | 7,5 | 2,2 | 1 |  | 4,5 | 8,3 | 2,35 | 1 |  | 5 | 9,2 | 2,5 | 1,2 |  | 5,5 | 10,2 | 2,75 | 1,2 |  | 6 | 11 | 3 | 1,6 |  | 7 | 12,5 | 3,5 | 2 |  | 8 | 14,5 | 4 | 2 |  | 10 | 18 | 5 | 2,5 | 
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            | Product Category | 
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 | Driving features | Material | Surface treatment | Packaging | Code |  | slotted | St | Zipl | Standard | 25130 |  | slotted | St.St. A2 |   | Standard | 51870 |  | slotted | St.St. A4 |   | Standard | 55870 |  | slotted | Br Cu2/Cu3 |   | Standard | 49230 |  | slotted | Br Cu2/Cu3 | Ni.pl. | Standard | 49330 | 
 
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