ASTM A307 Grade B Square Head Machine Bolts with Hexagonal Nuts

ASTM A307 Grade B Square Head Machine Bolts with Hexagonal NutsSpecificationSpecificationPorduct NameBolts and nutsSizeM1.6-M64Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8,10.9,12.9 etcStandardDIN,ASTM/ANSI JIS EN Customer drawingMaterialStainless steel,Carbon steel , alloy steel etcFinishingZinc Black,Hop Dip Galvanized(HDG),Black Oxide,Nickel plated,Zinc-Nickel plated, Epoxy Thread typeUNC,UNF  Detailed Photos Products Detail ShowProduction process  wire → mould → heading machine → thread rolling machine → testing equipmentPackaging & Shipping  Company Profile7*24 service timetrace shippment each weekProfessional QC QA team, more than 5 people. Inspect all goods before deliveryREFUND MONEY IF REJECTION BECAUSE OF QUALITYPAYMENT TERM CAN BE L/C, O/A, T/TCZIT GROUP(3 factories, 300+workers, 200 +customers, 20+ years experience)5000tons production capacity each month, fast delivery. Standard dimension bolts and nhust have lots of stockOUR PROJECTS SHOWOur products can be used in Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building;  water treatment, etc.Here is some projects samples for your reference.FAQ FAQ Q: Can you supply Form e, Certificate of origin? A: Yes, we can supply.  Q: Can you supply invoice and CO with chamber of commerce? A: Yes, we can supply.  Q: Can you accept L/C deferred 30, 60, 90days? A: We can.  Q: Can you accept O/A payment? A: We can.  Q: Can you supply samples? A: Yes, some samples are free. Q: Can you supply the products which comply with NACE? A: Yes, we can. Q: Can you visit your factoryA: Yes, sure. Welcome. Q: Can you inspect the goods before deliveryA: Yes, sure. Welcome to our factory inspect the goods. Also accept third party inspection, such as SGS, TUV, BV etc. Q: Can you supply MTC , EN10204 3.1/3.2 certificate?A: Yes, sure. we can Q: Do you have ISOA: Yes, we have Q: Can you accept OEM?A: Yes, we can Q: Can you accept marking our LOGO?A: Yes, we can Q: What is your MOQ?A: 1pcs for standard fittings and flanges.  Q: Can you support to design our piping system?A: Yes, we would like to your partner and our engineer will help. Q: Can you offer data sheet and drawing?A: Yes, we can Q: Can you ship by carrier or airline?A: Yes, we can. And we also can ship by train Q: Can you combine your order with other supplier?  Then ship together?A: Yes, we can. We would like help you ship together to save your time and money Q: Can you shorten delivery time?A: If very very urgent, please confirm with sales. We would like arrange extra-working time for you. Q: Can you marking on package as per IPPC?A: Yes, we can Q: Can you mark "MADE IN CHINA" on products and packing?A: Yes, we can Q: Can you supply semi-finished products? A: Yes, we can Q: We need some test sample pieces for each heat number, Can you supply?A: Yes, we can Q: Can you supply heat treatment report?A: Yes, we can  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1