1.Hex head self-drilling  screw

2.meterial: Carbon steel 1022/1018 or stainless steel 304/316/410
3.standard: ISO,DIN

4.OEM/ODM IS WELCOME

 5.Factory always provide  most competitive price and best service

 6.Size for reference

             3.9x13~25mm

             42.x13~38mm

             4.8x16~120mm

             5.5x25~150mm

             6.3x19~180mm

7.Washer: iron washer,EPDM washer .

8.welcome to visit our factory and establish business relation 

→with iron washer

→EPDM washer