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Product Details:  Parameter: Item Pozi drive countersunk head chipboard screw DIN7505 Material Carbon steel ,C1022A Head Type Flat head pozi drive Driver type Philips Surface treatment Black/grey phosphate, white/yellow zinc plated Thread Fine, coarse Package Small box+ carton / 25kg bag Delivery time In stock within 7workdays. OEM or customize about 25~40days. Samples Available Product introduction: Chipboard screw is a heat treatment process, suitable for the installa...