• Model NO.：M4-M64
• Application：Machinery
• Finish：Black
• Available Material：High Strength Steel, Stainless Steel, Carbon Steel
• Head Type：Hex
• International Standard：DIN, ANSI, GB, JIS, Bsw, GOST
• Class/Grade：3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
• Used：Black Hex Bolt-Machinery, Building
• Surface Finishing：Hot DIP Galvanizing, Blu-White Zinc Plated
• Size：M6-M24
• Product Technics：Cold Forging
• Name：Square Head Bolt
• MOQ：10000piees
• Transport Package：20-25kg,Carton+900kg Pallet
• Specification：M6-M100
• Trademark：HN
• Origin：China
• HS Code：731815
• Production Capacity：500ton,Month

Black Coating Carbon Steel Quadrangle/Square Head BoltStandard: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 platedProduction
ProcessM2-M24:Cold Froging,M24-M100 Hot Forging,
Machining and CNC for Customized fastenerCustomized Products
Lead timeBusy season:15-30days,Slack seaon:10-15daysStock ProductsSteel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782
Stainless steel: All DIN Standard stainless steel BoltFree Samples for standard fastenerFor more information visit:hainafastener.en.made-in-china.com

Service

        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 supply
        Perfect 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.