Professional Power and Dependability
Our professional hex keys contain premium S2 alloy steel that undergoes a special heat treatment to extend the strength and maximize durability. Carlyle hex keys are carefully and consistently tested to ensure each model produces the highest amount of torque and tensile strength fit for the most demanding applications. Offering the widest range of coverage for any size and style the application calls for. There are more than 250 individual product altogether in the Carlyle Tools professional Hex Key program.
Carlyle Tools professional bit sockets are manufactured with Chrome Vanadium (CR-V) alloy steel and S2 bit material to provide the highest caliber material available in bit sockets today ensuring maximum durability. Precision design bit tips provide tight fastener connection. The surface of the socket contains a mirror finish with nickel-chrome plating for a smooth and comfortable grip. Bits are coated with zinc phosphate to provide extra protection from corrosion. Over 250 SAE and Metric bit sets and individual pieces are available in ¼”, 3/8”, and ½” drive sizes.