Galvanized Carbon Steel Sleeve Expansion Anchor Bolt M6-M20/Expansion Anchor Bolts for Concrete Anchor bolt are available in a wide range of sizes - from M6-M24, with lengths up to 200mm. Concrete Fasteners carries anchors bolt in zinc plated carbon steel and stainless steel. Concrete anchors provide 360° of hole contact over large areas and greatly reduce concrete stress that can cause wear and tear over time. Available in four head styles - hex, flat, acorn and round - and able to be used in solid concrete, brick and block base material, the concrete anchor boltwill meet the needs of numerous project requirements. Products name    Galvanized Carbon Steel Sleeve Expansion Anchor Bolt M6-M20/Expansion Anchor Bolts for Concrete Standard:    DIN,ASTM/ANSI JIS EN ISO,AS,GB Material    Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593 Steel 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, Finishing    Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated Production Process    M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener Customized Products Lead time    Busy season:15-30days,Slack seaon:10-15days Stock Products    Steel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782 Stainless steel: All DIN Standard stainless steel Bolt