Carriage Bolt / Round head square neck bolts (ASME/ANSI B 18.5, ISO 8677, DIN 603)
Standards: DIN/ ISO/ JIS/ ASME
Class: 4.8 8.8,10.9 etc.
Material: Low carbon steel, carbon steel, stainless steel, brass
Size: M3-M80; 1/4"-3"
Finish: Plain, Black, Zinc Cr+3,Yellow Zinc Cr+6,H.D.G.,Dacromet,etc.
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