Apex Tools 5816-D 1/2" Extra Long Socket for Double Square Nuts

The Apex Tools 5816-D is a specialized extra long socket engineered for working with double square nuts in demanding industrial applications. Featuring a 1/2" square drive and an 8-point square opening, this socket is specifically designed to grip and turn double square fasteners commonly found in aerospace, automotive assembly, and heavy equipment maintenance.

Key Features:

• 1/2" hex opening for double square nut applications
• Extra long 3-1/4" overall length for extended reach in deep or recessed locations
• 8-point square drive opening provides secure engagement with square nuts
• 1" diameter at both nose and drive ends for robust construction
• 7/16" opening depth accommodates various fastener heights
• Manufactured from high-strength alloy steel with heat treatment for enhanced durability
• Hex tolerances on average 48% tighter than DIN and 35% tighter than ANSI standards

Built for professional use in high-torque applications, this Apex socket delivers exceptional straightness and concentricity tolerances. The specialized design ensures an exact, secure fit every time, reducing fastener rounding and improving productivity in assembly line operations. Ideal for impact wrench or impact driver use when high torque is required to tighten or loosen double square fasteners in aviation, performance automotive, and industrial equipment applications.