EX-371-20 Apex 3/8” Male Square Pin Lock Adapter, 7/16” Male Hex Power Drive, Overall Length 20” is 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 the EX-371-20 Apex 3/8” Male Square Pin Lock Adapter, 7/16” Male Hex Power Drive, Overall Length 20” results in tighter tolerances, superior product consistency and a better and more consistent fit to fasteners leading to better torque transfer.

EX-371-20 Apex 3/8” Male Square Pin Lock Adapter, 7/16” Male Hex Power Drive, Overall Length 20” are from Apex Fastener Tools, 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 EX-371-20 Apex 3/8” Male Square Pin Lock Adapter, 7/16” Male Hex Power Drive, Overall Length 20” will deliver the performance you require of it. Apex manufactures square drive adapters for the aerospace, automotive and other industries where reliability is key. Day in and day out, you will find the EX-371-20 Apex 3/8” Male Square Pin Lock Adapter, 7/16” Male Hex Power Drive, Overall Length 20” hard at work in some of the worlds busiest manufacturing facilities.