KDM-38-12 Apex Universal Adapter, 3/8” Square Drive, Extension Tension Type, Pin Lock. Apex square drive adapters are manufactured using a proprietary steel and heat treat process that yields greater strength and a longer adapter life. The cutting-edge machining process used to manufacture Apex square drive adapters results in tighter tolerances, superior product consistency and a better and more consistent fit to fasteners leading to better torque transfer.

Apex square drive adapters are recognized as the industry leader in professional tooling throughout the aviation industry as well as automotive, heavy industry or anywhere quality tooling products are required. If you have invested money in quality tools, you need to know that your square drive adapters will deliver the performance you require of them. APEX manufactures square drive adapters for the aerospace, automotive and other industries where reliability is key. Day in and day out, you will find Apex square drive adapters hard at work in some of the worlds busiest manufacturing facilities.