Proto Industrial

Proto® TorquePlus™ J7421M Metric Standard Length Impact Socket, 21 mm Socket, 1/2 in Drive, 1-5/8 in OAL, Alloy Steel

PROTO J7421M
$10.91 / EA
Out of Stock
  • Bolt Clearance Depth: 31/32 in
  • Drive End Width: 1-13/64 in
  • Drive Size: 1/2 in
  • Drive Type: Squared
  • Finish: Black Oxide
  • Material: Alloy Steel
  • Opening Depth: 43/64 in
  • Overall Length: 1-5/8 in
  • Socket End Width: 1-13/64 in
  • Socket Size: 21 mm
  • Type: Metric Standard Length
  • The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners
  • The TorquePlus™ configuration employs a radius corner design, shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket, minimizing slippage
  • The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life and allows the user to more easily turn worn, rounded, or rusted fasteners
  • They are heat treated for the correct balance of strength and hardness
  • One piece construction ensures concentricity

For use on stubborn or damaged fasteners, and also on fasteners made from soft materials

Warranty: Lifetime Limited

Standard/Approvals: ASME B107.110-2012/B107.33M

Proto® TorquePlus™ Impact Socket | Metric Standard Length | 21 mm Socket | 1/2 in Drive | Squared Drive | 1-5/8 in Overall Length | 6 Points | 1-13/64 in Drive End Width | 1-13/64 in Socket End Width | 31/32 in Bolt Clearance Depth | 43/64 in Opening Depth | Alloy Steel | Black Oxide | STA-BLKHAW