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3/8"-16 Grade C (USS) Ultra-Lock Nut

3/8"-16 Grade C (USS) Ultra-Lock Nut - 50 Pack

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Item Number: 344806
Package Weight: 0.8 lbs
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Product Details

To complete your assembly check out our High Head Grade 8 Cap Screws.

  • Made in the U.S.A. from medium carbon steel and heat treated to meet Grade 8 performance standards of Industrial Fastener Institute.
  • Developed to meet the exacting specifications of Automotive Fastener Engineering Specialists.
  • All steel grade C nut offers a proven, predictable torque-tension relationship in critical, high strength applications with Grade 8 bolts.
  • Six dots at 60° intervals on the crown of the nut identify these as a grade C prevailing torque nut.
  • Three point top thread deflections (at 120° intervals in the crown of the nut), downward and inward is used to produce positive repeated prevailing torque, meaning they are reusable even when power driven.
  • Cadmium and wax finish.
  • Immersed in industrial wax and baked dry for reduced application torque of up to 50% of standard "dry" torque values. Failure to lower torque will result in thread stripping or bolt yield.

Product Documents
P65 Warning

Product Specification

Brand:  Kimball Midwest Approved Vendor
Color:  Silver
Diameter:  3/8"
Finish:  Cadmium Plated, Wax
Grade:  8
Height:  21/64"
Material:  Carbon Steel
Measurement Type:  USS
Subcategory:  Grade C Ultra-Lock Nut
Thickness:  21/64"
Thread Pitch:  16
Thread Size:  3/8"-16
Thread Type:  Coarse
Width Across Flats:  9/16"

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