ASTM A325 A490 B7 DIN931 HDG High Strength Heavy Hex Bolts

ASTM A325 A490 B7 DIN931 HDG High Strength Heavy Hex BoltsASTM A490 and ASTM A490M are ASTM International standards for heavy hex structural bolts made from alloy steel. The imperial standard is officially titled Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 ksi Minimum Tensile Strength, while the metric standard (M) is titled Standard Specification for High-Strength Steel Bolts, Classes 10.9 and 10.9.3, for Structural Steel Joints  Products nameBolts(Hex bolt,Heavy hex bolt,Flange bolt,Carriage bolt,Guardrail Bolt)Standard:DIN,ASTM/ANSI JIS EN ISO,AS,GBMaterialStainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;  SAE: Gr.2,5,8;  ASTM: 307A,307B,A325,A394,A490,A449,FinishingZinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel platedProductionProcessM2-M24:Cold Froging,M24-M100 Hot Forging,Machining and CNC for Customized fastenerCustomized ProductsLead timeBusy season:15-30days,Slack seaon:10-15daysStock ProductsSteel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782Stainless steel: All DIN Standard stainless steel BoltFree Samples for standard fastenerFor more information visit:hainafastener.en.made-in-china.comService Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' specification and performance.Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.Cost effective: Competitive prices with factory directly supplyPerfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection.Customized Ideal Fasteners: customized services according to the samples and drawings offered.                If you are not sure about what exactly you need - feel free to contact us anytime and get professional assistance from us./* 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