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1/2"-13 x 8-1/2" KM-USA Grade 8 (USS) Hex Head Cap Screw
1/2"-13 x 8-1/2" KM-USA Grade 8 (USS) Hex Head Cap Screw thumbnail 1
Product video

1/2"-13 x 8-1/2" KM-USA Grade 8 (USS) Hex Head Cap Screw

Diameter: 1/2"
Length: 8-1/2"
Thread Type: Coarse
Package Quantity: 1
View All Product Variations
Item #: 380868
Package Weight: 0.5 lbs

Complete Your Assembly

Product Details

To complete your set up check out our Fastener Shop Setups and our Hex Head Cap Screw Assortments.

To complete your assembly:

  • 34-3808 1/2"-13 Grade 8 (USS) Hex Nut - 50 Pack
  • 34-4808 1/2"-13 Grade C (USS) Ultra-Lock Nut - 50 Pack
  • 34-8408 1/2"-13 Grade 8 (USS) Nylon Insert Lock Nut - 25 Pack
  • 37-3808 1/2" Grade 8 (USS) Yellow Zinc Alloy Steel Flat Washer - 50 Pack
  • 37-3908 1/2" Grade 8 (SAE) Yellow Zinc Alloy Steel Flat Washer - 50 Pack
  • 37-4808 1/2" Grade 8 Yellow Zinc Alloy Steel Split Lock Washer - 100 Pack

Product Features:

  • 100% made in the U.S.A. from raw material melted and rolled in the U.S.A.
  • 100% lot traceability back to raw material.
  • 20% higher head provides increased wrenchability.
  • Special high strength chrome alloy steel.
  • 30° head point provides easier alignment in a threaded hole or with a hex nut.
  • Roll formed threads with 60° flank angle provide superior fatigue resistance.
  • UN Class 2A formed thread fit; post plating is considered Class 3A per ASME B1.1-2003 (R2008) and provides enhanced thread engagement.
  • RoHS Compliant Zinc-Yellow Trivalent Plated.
  • Tensile strength 150,000 P.S.I. minimum.

    • Please note that supply chain shortages may require us to temporarily substitute some non-domestic products, including in assortments.

     

    Product Specification

    Brand:  Kimball Midwest Approved Vendor
    Category:  Grade 8 Hex Head Cap Screws
    Diameter:  1/2"
    Finish:  Zinc, Yellow Trivalent
    Grade:  8
    Head Style:  Hex Head
    Length:  8-1/2"
    Material:  Medium Carbon Alloy Steel
    Measurement Type:  USS
    Minimum Thread Length:  1-1/2"
    Series:  Standard
    Tensile Strength:  150,000 psi
    Thread Length:  Partially Threaded
    Thread Pitch:  13
    Thread Size:  1/2"-13
    Thread Type:  Coarse
    Width Across Flats:  3/4"
     

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