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ASTM A325 A490 B7 DIN931 HDG High Strength Heavy Hex Bolts
ASTM 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
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Products name
Bolts(Hex bolt,Heavy hex bolt,Flange bolt,Carriage bolt,Guardrail Bolt)
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;Â SAE: Gr.2,5,8;Â 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
ProcessM2-M24:Cold Froging,M24-M100 Hot Forging,
Machining and CNC for Customized fastener
Customized Products
Lead timeBusy 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 BoltFree Samples for standard fastener For more information visit:www.hainafastener.com
Service
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ASTM A325 A490 B7 DIN931 HDG High Strength Heavy Hex Bolts>