1/4" Head Diam, 3/16" Shank Diam, Counterbore Pilot MPN:433-38

Sckt Cvrd 1/2 Sq Dr 3/4 Hex 3-1/4 Oal is a premium hex key wrench featuring a precision ground internal hexagon driving tip designed for tightening and loosening hexagonal nuts and bolts. Made of high-strength chrome vanadium steel, it offers exceptional durability while providing a slip-resistant knurl for optimal grip and torque application during assembly or maintenance operations. This hex key wrench is widely used in automotive repair shops, aerospace facilities, mechanical workshops, electronics industry and general maintenance professionals requiring precision torque applications in various fastening systems without compromising on strength and reliability.