China Roofing Screws, China Roofing Screws
hex self drilling screw roof screw 1. Standards 1. din7504 2. Material 2. Stainless steel(SS304,SS316), carbon steel(C1022,1010,1008) copper, iron and so on. 6.packing of this hex self drilling screw :General Export Packing poly bag cartons or according require. 7.size of this hex self drilling screw :ST 2.9-6.3 #6--#14 8.delivery of this hex self drilling screw:within 10 days or according ...
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