New Impact Sockets


Proto has added 68 new large-drive impact sockets to its already extensive socket line. This brings their total offering to nearly 1750, including 213 large-drive options. The new sockets will help the company better serve extreme heavy-duty use industries, including mining, oil/gas and utilities.

The line extension includes:

  • A complete new line of metric sockets for the 1 1/2-in. drive line.
  • A complete new line of 2 1/2-in. drive fractional sockets.
  • New fractional sockets for the 1 1/2-in drive line.

The expanded metric offerings will be of special interest to Proto's Canadian and Latin American customers, as well as to US firms using machinery manufactured overseas.

All Proto® impact sockets are made from special alloy steel, and heat treated for the correct balance of strength and hardness. One-piece construction ensures their concentricity. Socket wall thickness is optimized to provide maximum strength and ample access to restricted fasteners.

Proto® impact sockets incorporate the TORQUEPLUS™ wrenching system. This high-performance design allows the socket to contact the fastener away from the corner, while also spreading stress over a larger area. It lets the user apply up to 15% more torque to the fastener, reduces the risk of fastener rounding, and makes it easier to turn worn, rounded fasteners.

About Proto
Professionals worldwide prefer  Proto® Industrial Tools for their outstanding quality, durability, and dependability. Developed according to strict ergonomic standards, they offer enhanced shock absorption and reduced slip, as well as designs that let professional users work faster and easier. Markets including auto-manufacturing plants, steel and airplane manufacturing, chemical plants, refineries, general manufacturing, transportation, and fleet maintenance for trucking, transit, and aircraft.

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