Screw, Self Drilling Screw, Self Tapping Screw manufacturer / supplier in China, offering C1022A/ DIN7504, ASTM3566 Carbon Steel Zinc Plated/ Ruspert Coating Self Tapping Self Drilling Wood Roofing Chipboard Hex Head Pan Head Csk Truss Head Screw, DIN7504K C1022A Steel Zinc Tek Metal Screw Hex Washer Head Double- Thread with EPDM Washer Sandwich Self Drilling Screw, Thin Steel Plate Fixing Hex Flange Head Self Drilling Metal Screws and so on.
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