Bulk 1/2"-13 Grade A Hex Bolts (A307, Coarse Thread, Low Carbon, Plain) 440216 ✔️ #3 self-drilling point handles

✔️ #3 self-drilling point handles thicker metal without pilot holes

these screws feature coarse UNC threads that ensure secure fastening even under extreme load or vibration

When performance and precision matter most

Engineered with fine-thread (UNF) design

Bulk 1/2"-13 Grade A Hex Bolts (A307, Coarse Thread, Low Carbon, Plain) 440216 ✔️ #3 self-drilling point handlesBulk 1 2" 13 Grade A Hex Bolts (A307, Coarse Thread, Low Carbon, Plain) Industrial Strength Fasteners for Construction, Manufacturing, and Infrastructure For high strength, secure fastening, trust 1 2" 13 ASTM A307 Grade A Hex Bolts. Manufactured from low carbon steel with a plain (uncoated) finish, these bolts provide durability for infrastructure, heavy duty structural projects, and general purpose fastening. Note PT = Partial Thread Key