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

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In Stock
Brand: Proto
Part #: JSCR10
UPC: 662679972233
SKU
510-G3065921
$75.16 for Order Qty of 4
Regular Price $26.31 Special Price $18.79

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

This ratcheting wrench from Proto is designed for use with fractional spline, 4, 6, 12 point, spline, and Torx fasteners. Its unique spline design enables the wrench to contact fasteners away from corners, reducing the risk of scoring and rounding. The anti-slip open end and high contact surface area make it ideal for turning highly rounded fasteners. The black chrome finish is corrosion-resistant and visually distinctive. Suitable for applications where weight and size must be minimized, such as in aerospace and automotive industries, this wrench is a reliable tool for professionals and DIY enthusiasts alike.

Top product features:

  • Fractional spline wrenches can be used on fractional 4, 6, 12 point, spline and Torx fasteners.
  • Box end is countersunk for easy application to the fastener.
  • 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:

  • Ratcheting wrenches are used in automotive repair for changing oil, filters, and other components.
  • Fractional spline wrenches can be used on fractional fasteners in aerospace and defense industries.
  • The spline design of the wrench makes it suitable for use in the manufacturing industry where specialty spline bolts are used.

Fractional spline wrenches can be used on fractional 4, 6, 12 point, spline and Torx® fasteners
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

Additional Features:

  • - 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: 5.70
  • Package Width: 1.00
  • Package Height: 1.00
  • Package Weight: 0.07
Product info last updated on February 3, 2026 4:32am UTC Category: Hand Tools
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In stock