Wholesale Fasteners Product description锛?/strong Bolts available for use in high pressure piping. The material of the product is made of high quality carbon steel and alloy steel with high precision. High strength, excellent high temperature, low temperature performance, etc. American standard bolts :B7, B7M, L7, L7M, B16, B8, B8M American standard heavy duty nuts :2H, 2HM, 4,7,8,8m Product materials: B7, B16, 304, 316, 304L, 316L, etc Mechanical properties :8.8-12.9 Metric specification :M8-M56 US specification :3/8 -- 2" Temperature resistance :-63鈩?-- +500鈩?Pressure resistance :鈮?20Mpa Accuracy level :6 h FAQ: Q: May I know what鈥檚 the nearest airport from your company?in case I visit your company. A: First Wenzhou Airport,,then Hangzhou or Yiwu airport,welcome to visit us. Q: When can I get the quotation? A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please tell us so that we will regard your inquiry priority. Q: How can I get a sample to check your quality? A:After price confirmation, you can require for samples to check our quality. If you need the samples, we would like to send sample from our Chinese factory . Q: What kind of files do you accept for printing? A: PDF, Core Draw, high resolution JPG . Q: Can you do the design for us? A:Yes. We have a professional team having rich experience in design and manufacturing. Q: How long can I expect to get the sample? A:depending on circumstancesWholesale Fasteners website:http://www.biyi-valves.com/fasteners/