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 produc- tion and R&D of drilling screw, which has built a morden, high standard, scale, variety of profes- sional 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 company 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.
HANDAN SHUANGZI METAL PRODUCTS CO .LTD
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Hexagon head/countersunk head/pan head/Washer head/paint head/Nylon head drilling screws, drywall screws, fiberboard screws









| Product name | Hex head self drilling screw | 
| Measurement system | Metric | 
| Application | General Industry, Heavy Industry | 
| Tapping screws type | Slotted hex head self-drilling screws | 
| Customized support | OEM/ODM | 
| Warranty | 3years | 
| Material | Carbon Steel C1022A | 
| Head | Hex head with washer | 
| Surface treatment | Zinc Plated Polished | 
| Standard | DIN 7504 K | 
| Packing | according to customer | 
| Grade |  8.8 | 
| MOQ | 3Tons | 
| Sample | Avaliable | 
| Color | white/yellow | 
 
            










