1/4-20 x 2-1/2" Tru-Torq® Hex Cap Screw, Grade 9, Alloy Steel, 50/Pack

The Tru-Torq® hex cap screws are a high-performance fastening solution made from Grade 9 alloy steel with a zinc finish. This ultra-high-strength screw is 20% stronger than Grade 8 and designed to withstand extreme conditions. Key features include a fatigue-resistant UNJ thread design, increased wrenching surface for enhanced safety, and superior corrosion protection through Perma Plated coating. The screw is heat-treated, quenched, and tempered to achieve a minimum tensile strength of 180,000 PSI, exceeding SAE, ASTM, and Military Grade 8 requirements. Additional benefits include proprietary head marking for traceability, a diameter mark for easy identification, and a chamfered design for easier alignment. Ideal for critical applications and demanding maintenance requirements, with matched strength nuts, flat washers, and lock nuts available for a complete fastening system.