Proto manufactures a wide range of impact sockets from 1/4″ square drive up to 2-1/2″ square drive. Size openings range from 3/16″ up to our largest 8″ opening to meet every industrial need. Metric sizes are also available from 4mm to 65mm. Proto also offers several different styles from 6 point to 4, 8, or 12 point, standard length or deep, to surface drive and magnetic.
Impact sockets are manufactured from special alloy steel for strength and durability.
Impact sockets are heat treated for the correct balance of strength and hardness.
Socket wall thickness is optimized to provide the required strength while retaining ample access to restricted fasteners.
Thin wall sockets are available for special tight clearance applications.
The depth of the socket opening is designed to fully engage all standard fasteners for more secure operation.
All impact sockets feature two through holes. A groove to accept a retaining ring and pin to secure the socket to the power tool anvil.
All Proto impact sockets feature chamfered service ends and for quick and positive fastener engagement.
Patented impact universal joints and sockets provide more power and last longer.
One piece construction ensures concentricity.
Special heat treat ensures long life.
Precision machined tips for proper fastener engagement.
