| Item | Self drilling screw |
| Material | SWCH22A,C1022A,SS410… |
| Standard | DIN, ISO, ANSI, NON-STANDARD… |
| Head Type | Hex head, Csk head, Pan head, Truss head,Wafer head….. |
| Thickness | #8(4.2mm), #10(4.8mm), #12(5.5mm), #14(6.3mm) |
| Length | 1/2”~8” (13mm-200mm) |
| Ponit No. | #3, #3.5,#4,#5 |
| Package | Colorful box+carton; Bulk in 25kg bags; Small bags+carton;Or customized by client request |
3. Suitable for assembling steel roof, automobile body, container, shipbuilding industry, freezingequipment and so on.
Packing &Shipping:
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About Us: Handan Shuangzi Metal Products Co., Ltd is a professional manufacturer of drilling screw and tapping screw enterprises. Since its establishment, the company has been focusing on the production and R&D of drilling screw, which has built a modern, high standard, scale, variety of professional production line of drill tail screw. All used equipment are imported from Germany, Japan and Taiwan, with an annual output of high quality, multi-variety drill tail screw .The employed the top domestic technologist, in hexagon-shaping,clipping,thread-rolling,carburize,zinc plated,washer machine,package and other processes, every link strives for perfection and the best.
