• Model NO.：ST3.5
• Grade：4.8
• Name：Carbon Steel Black Oxide Drywall Screws
• Brand Name：Goshen
• Samples：Free
• Delivery Time：3~20days
• Payment Term：L,C&T,T
• Packing：Carton + Pallet
• Transport Package：Carton + Pallet
• Specification：ST3.5
• Trademark：Goshen
• Origin：Jiaxing Zheng, China
• HS Code：7318159090
• Production Capacity：50ton, Weeks

Name:Carbon Steel Black Oxide Drywall Screws Size:2.9-6.3 MM ,or non-standard as request&design Material:Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420Steel:C45(K1045), C46(K1046),C20,etc.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58)etc.Bronze: C51000, C52100, C54400, etc.Iron: 1213, 12L14,1215,etc.Aluminum: Al6061, Al6063, etc.Alloy steel: SCM435,10B21, C10B33,etc.Carbon steel: C1006,C1010,C1018,C1022,C1035K,12L14,etc. Grade:a2 a4etc Standard:GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Non-standards:OEM is available, according to drawing or samples Heat Treatment:Tempering,Hardening,Spheroidizing,Stress Relieving. Finish:Plain, black, zinc plated/according to your requirement Certification:ISO 9001:2015 and ISO 14001:2015 Package:according to customers requirement