Name: Square recessed wood screws Head Type: Countersunk Head Standard: DIN, ASTM, ISO, JIS, Others Groove type, Drive type: Square Drive Material: C1022, C1022A, Carbon Steel, High StrenPlated) Diameter: Not shown here, as it can be produced to your needsThere is a drill like a drill at the ipboard screw has thin shafts and coarse wood thread, which prevents the problems on application of the conventional wood screws in chipboard and different types of wood. Standard: DIN7505. Material: C1022 , C1008, stainless steel. Head Type: Double Countersunk head, Pan head CSK ( Flat ) headand Yellow Plated, high strength and deep threaded wood screw. Material: Steel C1022. Designed to be used in wood, sheet metal, chipboard, PVC-u and MDF. All Multi Purpose Screws are fully threaded with the exception of the following sizes which are part threaded 5×80, 5×90, 5×100, 5×120, 6×80, 6×90, 6×100, 6×120, 6×130 and 6x150mm.fastener Philips head Csk Head Double Countersunk with Ribs Chipboard Screw 4X30, You can get more details about from mobile site on . $0.07 . Min. Order : 10000 Pieces $0.06 . Pieces . $0.05 . ≥500000 Pieces .