Product Name: DIN7991 Countersunk Flat Head Hexagon Cap Grade 12.9 Black Oixde Hex Socket Head Screw Model NO.: m3-m42 Finish: Blue-White Zinc Plated Application: Machinery, Chemical Industry, Building Grade: Carbon Steel ,SS304,SS316,SS316L Standard: DIN, ANSI, BSW Head Style: Counter Sunk Bolt Connection: Common Bolt Type: Countersunk Head Material: Carbon Steel Mark: According to Customer's Requirement. Delivery Time: Stock , 5-30days Quality: Top High Quality Place: Haiyan China(Mainland) Model Number: GB MOQ: 1000PCS Port: Shanghai,Ningbo, Tianjin,Qingdao Certificate: ISO9001:2008 Brand Name: Jld Thread: Unc,Unf,Metric Thread Test: SGS, Ppap, Mbdc Report Trademark: JLD Transport Package: Standard Export Packing or According to Customer's Specification: M3-M24 Length 8mm-300mm Origin: China HS Code: 7318159090 Product Description Product Descriptioncountersunk head allen screw din79911. Standard: DIN7991, ASME B18.3, ISO 106422.Grade:B8, B8M3. Head type:Socket Countersunk Head4.Size:M3-M245.Length:6mm-300mm; 3/8"-12"6.Material:Stainless Steel ,carbon steel7.Finish:Passivated8.Delivery time:Normally in10-40 days9.Package:Cartons&pallets or according to customer's requirementOur Services1. What is your main products?A:Fasteners, Bolt, nut, screws, washer, threaded rod, anchors, self tapping screws, self driling screws, stainless steel plate, etc.2. What is your delivery time?A: It depends on if we have stock or not, if we have stock goods, we can delivery within 2 days after receive the payment.And normally our production is in 20-30 days for one container (20-26 ton) products.3. What is your payment term?A: Mostly we use 30% advance payment by T/T, 70% before shipmentFor small amount order, we have western union account, MoneyGram is ok.4. How is your quality? And what if we don't satisfied your quanlity?A: We produce your order strictly by your request. If the quality was not acceptable, we will refund to you.