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3/8 in Drive, 7/16" Spline SAE Socket, 12 Points, Steel, Chrome, 7/16 in MPN:J5214SPL

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In Stock
Brand: Proto
Part #: J5214SPL
UPC: 662679572990
SKU
510-G3218747
$123.58 for Order Qty of 2
Regular Price $86.51 Special Price $61.79

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3/8 in Drive, 7/16" Spline SAE Socket, 12 Points, Steel, Chrome, 7/16 in

Proto Spline sockets are designed for high-performance applications where vibration is prevalent, such as military and commercial aircraft, heavy machinery, and automotive industries. They help tighten high-strength bolts to high torque loads, reducing the force required to turn standard fasteners and preventing fastener rounding. Spline sockets also turn fasteners with damaged corners and deliver twice the torque of 12-point wrenches on double box fasteners. With a precise fit, they reduce foreign object debris (FOD) and are suitable for use on spline fasteners, hex fasteners, and double box fasteners.

Top product features:

  • Helps tighten high strength bolts to high torque loads
  • Helps lower the force required to turn standard fasteners by allowing the torque load to be moved away from the corners to help prevent fastener rounding
  • Delivers twice the torque of 12 point wrenches on double box fasteners, and more torque than hex wrenches on hex fasteners

Top product applications:

  • Military and commercial aircraft
  • Heavy machinery applications where vibration is prevalent
  • Automotive areas where high performance torque needs to be achieved

Proto® Spline tools are designed to service high tensile strength fasteners used widely on military and commercial aircraft and in heavy machinery applications where vibration is prevalent. They are also used in automotive and industrial areas where high performance torque needs to be achieved
Spline sockets help tighten high strength bolts to high torque loads. They help lower the force required to turn standard fasteners by allowing the torque load to be moved away from the corners to help prevent fastener rounding. They also turn fasteners with damaged corners
Spline sockets on spline fasteners help deliver twice the torque of 12 point wrenches on double box fasteners, and more torque than hex wrenches on hex fasteners

Additional Features:

  • - Spline helps reduce foreign object debris (FOD) by having a precise fit between the fastening tool and its fastener


Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 0.70
  • Package Width: 0.70
  • Package Height: 1.30
  • Package Weight: 0.06
Product info last updated on February 8, 2026 1:38pm UTC Category: Hand Tools
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In stock