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Ratcheting Wrench, Head Size 5/16in x No 10 MPN:JSCR10-TT

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Brand: Proto
Part #: JSCR10-TT
UPC: 662679126872
SKU
510-G8601406
$85.98 for Order Qty of 2
Regular Price $60.19 Special Price $42.99

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Ratcheting Wrench, Head Size 5/16in x No 10

This ratcheting wrench from Proto features a 5/16in x No 10 head size and is designed for use with fractional spline, 4, 6, and 12 point fasteners, as well as Torx fasteners. The chrome-vanadium construction provides high strength and durability, while the switch lever allows for easy changes in turning direction, improving speed. The countersunk box end and spline design enable easy application to specialty bolts and reduce the risk of fastener scoring and rounding. Ideal for applications where weight and size must be minimized, such as in aerospace and automotive industries, this wrench offers a corrosion-resistant black chrome finish and anti-slip design.

Top product features:

  • Fractional spline wrenches can be used on fractional 4, 6, 12 point, spline and Torx fasteners
  • The chrome-vanadium switch lever allows for easy changes in turning direction which helps improve speed
  • The spline design enables the wrench to contact conventional fasteners away from the corners, which applies force over a larger area, reducing risk of fastener scoring and helps prevent rounding of the corners and other fasteners damage that could lead to Foreign Object Damage (FOD)

Top product applications:

  • Fractional spline wrenches can be used on fractional 4, 6, 12 point, spline and Torx fasteners
  • The spline design enables the wrench to contact conventional fasteners away from the corners, which applies force over a larger area, reducing risk of fastener scoring and helps prevent rounding of the corners and other fasteners damage that could lead to Foreign Object Damage (FOD)
  • The anti-slip design (ASD) open end is suitable for use on highly rounded fasteners.

Fractional spline wrenches can be used on fractional 4, 6, 12 point, spline and Torx® fasteners
The chrome-vanadium switch lever allows for easy changes in turning direction which helps improve speed
Chrome-vanadium box ends and switch levers provide high strength and durability

Additional Features:

  • - Box end is countersunk for easy application to the fastener
  • - Spline design was created for use with specialty spline bolts which are used when weight and size of bolt heads must be minimized
  • - Spline design enables the wrench to contact conventional fasteners away from the corners, which applies force over a larger area, reducing risk of fastener scoring and helps prevent rounding of the corners and other fasteners damage that could lead to Foreign Object Damage (FOD)
  • - The high contact surface area which is away from fastener points enables turning of highly rounded fasteners
  • - Anti-Slip Design (ASD) open end
  • - Black chrome finish is corrosion resistant and visually distinctive


Additional Information

  • Country of Origin: TW
  • 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: 8.70
  • Package Width: 2.90
  • Package Height: 0.80
  • Package Weight: 0.10
Product info last updated on February 15, 2026 6:10am UTC Category: Hand Tools
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