Product Description
Zhongbao Fastener focuses on high-quality fasteners, mainly producing fastener bolt, fastener screw, fastener washer, fastener nut, fastener threaded rod, etc.
Hex bolts (six sided heads) are the industry standard for fasteners with forged heads.
ASTM A307 grade A bolts, all SAE hex bolts, and several other common specifications require a standard (finished) hex head.
Hex Bolt
Standard
ASME/ANSI B 18.2.1,IFI149,DIN931,DIN933,DIN558, DIN601,DIN960, DIN961, ISO4014,ISO4017
Diameter
1/4"-2 1/2",M4-M64
Length
≤800mm or 30"
Material
Carbon Steel,Alloy Steel, Stainless Steel, Brass
Grade
SAE J429 Gr.2,5,8;ASTM A307 Gr.A.Class 4.8, 5.8,6.8, 8.8,10.9,12.9:A2-70,A4-70,A4-80
Thread
UNC,UNF
Finish
Plain,Black Oxide,Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Zinc Nickel
Packing
Bulk In Cartons (25kg Max.)+Wood Pallet Or According To Customer Special Demand
Supply Ability
1000 Tons Per Mo…