Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Plain Finish) Length:300 Qty - 1/2"-13 x 1-1/2" Flat & lock washers for

Flat & lock washers for proper load distribution and vibration control

Use the included PHR-2 bits for correct

and even some metal-to-metal applications

marine applications

Bulk 1/2"-13 Grade B Heavy Hex Bolts (A307, Coarse Thread, Plain Finish) Length:300 Qty - 1/2"-13 x 1-1/2" Flat & lock washers forBulk 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