Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Plain Finish) Length:300 Qty - 1/2"-13 x 1-1/2" and even some metal-to-metal applications

and even some metal-to-metal applications

marine applications

these screws offer superior corrosion resistance

Zinc Yellow Plating: ASTM F1941/F1941M Fe/Zn 5CN compliant with a 5-micron minimum coating thickness

Designed to fit most 3/4" pulley brackets and cradle beam applications commonly found in side-mount

Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Plain Finish) Length:300 Qty - 1/2"-13 x 1-1/2" and even some metal-to-metal applicationsBulk 1 2" 13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Plain Finish) Heavy Duty Fasteners for Industrial & Structural Applications For high strength structural and industrial fastening applications, choose 1 2" 13 ASTM A307 Grade B Heavy Hex Bolts. These heavy hex bolts are crafted from low carbon steel with a plain (uncoated) finish, making them ideal for structural steel connections, bridge construction, and industrial assemblies where coatings