Standard: ISO, ISO,GB,DIN,BS,ANSI,JIS,Nonstandard Item Name: Roofing screw Size: M1X4-M16X150 Material: Stainless Steel,Carbon steel,Alloy steel,Aluminum,etc. Surface Treatment: Galvanization,Nickel-plated,Black oxmet Grade: 4.8,5.6,6.8,8.8,10.9,12.9 Certificate: Show More...
Standard: ISO, ISO,GB,DIN,BS,ANSI,JIS,Nonstandard Item Name: Roofing screw Size: M1X4-M16X150 Material: Stainless Steel,Carbon steel,Alloy steel,Aluminum,etc. Surface Treatment: Galvanization,Nickel-plated,Black oxmet Grade: 4.8,5.6,6.8,8.8,10.9,12.9 Certificate: ISO900:2008,ISO14001:2004 Advantage: OEM ODM customized service provle: Sample is free, if we have the