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1. Grade: SUS410,SUS304,SUS316,A2-70,A2-80,A4-80
2. Size: ST3.5-6.3 ,13-180mm
3. Standard: DIN 7504
4. Certification: ISO9001-2015
5. Customization according to your drawing .
Changzhou Wanyou Fastener CO.,LTD ,a factory that specializing in manufacturing SS304/316/410/550 self drilling screw and tapping screw, decking screw , wood screw , timber screw, chipboard screw, MDF screw ,taptite screw , machine screw.