Product Name: Round Head Square Neck Carriage Bolt Model NO.: 3/8"X6-1/2" Finish: Blue-White Zinc Plated Application: Building Grade: 4.8 Standard: DIN, ANSI Head Style: Round Connection: Common Bolt Type: Round Head Material: Carbon Steel Trademark: / Transport Package: 25 Kg carton, 36 cartons/pallet. Specification: DIN, ANSI/ASME, ISO, B. S. W, JISB Origin: CHINA HS Code: 7318150000 Product Description Carriage bolts:Diameter:From M5-M30 3/16"-1-1/4"LengthFrom 8mm-500mm 3/8"-20"MaterialCarbon steel, alloy steel, Stainless steel A2/A4.CoatingZP, Black, HDG, Dacromet, Geomet, etc.Packing:In cartonMOQabout 300 KgsProduction capacityabout 600 Tons per MonthWorkshopPackingProduction 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.