1-1/8" x 4-1/4" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain Crosby® S-279 Machine oversized head sits neatly against

oversized head sits neatly against the surface

Replace or re-tighten fasteners if necessary

and physical wear during moving or storage

6‑Lobe (T-Star) Drive: Offers improved bit engagement and reduces cam-out—ideal for repetitive driving or auto-feed systems

Trim-Head screws deliver flexibility across different installation methods

1-1/8" x 4-1/4" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain Crosby® S-279 Machine oversized head sits neatly againstWhen pairing a nut with threaded rod, the material and finish must match. If these do not match, the nut will not fit the rod. Conquest A325 Type 1 Heavy Hex Structural Bolts adhere to the ASTM F3125 standard, specifically engineered for structural bolting in steel to steel connections. These heavy duty bolts, designed for high strength applications, play a crucial role in highway construction and bridge construction, providing a robust connection for