Product Name: Stainless Steel Hex Coupling Nuts, Long Hex Nuts Model NO.: M6-M30 Grade: 8.8 Standard: DIN, ANSI, GB, JIS, GOST, BSW Head Style: Hexagonal Connection: Common Bolt Type: Roud, Hex Material: Carbon Steel Size: 4mm-24mm Trademark: FAST Transport Package: in Cartons, on Pallet. Specification: DIN6334 Origin: China HS Code: 7318160000 Product Description Hex Coupling NutStandard of Hex Coupling Nut: DIN6334, ANSI/ASME, ISO.Size of Hex Coupling Nut: M4-M24Length of Hex Coupling Nut: According to standard or requirement.Material of Hex Coupling Nut: Carbon steel, Stainless steel, BrassFinish of Hex Coupling Nut: Galvanized, HDG.Packing of Hex Coupling Nut: 25KG per box or bag + strong wooden pallets.WorkshopPackingProduction LinesFAQQ1: What is your main products?A: Bolts, Nuts, Screws,Washers, Threaded Rods, Anchors, metal Stamping and Special Parts.Q2: How long is your delivery time?A:For stock, we can delivery within 2 days after receive the payment. For mass cargo, our production time is in 30-45 days after receive the deposit.Q3: Do you provide samples ? is it free or extra ?A: Of course, sample is free. You pay the courier fees.Q4: What is your terms of payment?A: Payment<=1000USD, 100% in advance by Paypal or Western Union. Payment>1000USD, 30% T/T in advance, balance against the copy of B/L.Q5:What about your products quality?A: Our QC team will check process strictly to ensure our products meet Go/No Go Gauge.