The Apex EX-620-3 Hex Power Drive Extension, With 5/8” Male Square features durable construction and a quality design that ensures a long service life. With Apex drive extensions you are assured of high quality and industrial strength.

Drive extensions from Apex Fastener Tools have hex tolerances that are on average 48% tighter than DIN and 35% tighter than ANSI requirements. With the Apex EX-620-3 Hex Power Drive Extension, With 5/8” Male Square from Apex Fastener Tools, the industry leader in drive extensions, you are assured of an exact, sure fit. All Apex drive extensions have the tightest tolerances for straightness and concentricity in the industry.

High strength fasteners in demanding situations, like those found in the automotive and aviation industries, often require the use of an impact wrench or impact driver to deliver the amount of torque required to tighten or loosen them.

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