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Grade 5 Hex Head Cap Screw 5/16"-18, 4-1/2" Fastener Length, Zinc Plated Fastener Finish, Steel

  • Item # 1KA46
  • My Part #
  • Mfr. Model # 1KA46
  • Catalog Page # N/A
  • UNSPSC # 31161501
HHCS,5/16-18x4-1/2,Steel,Gr 5,ZP,PK50 close

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Product Details

Hex head cap screws are typically used to create a bolted joint, in which a threaded shaft exactly fits a corresponding tapped hole or nut. As an alternative to welds or rivets, cap screw fasteners offer easy disassembly. Grade 5 screws are often used in small engines.

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Technical Specs

  • Item Hex Head Cap Screw
  • System of Measurement Inch
  • Head Type Hex
  • Dia./Thread Size 5/16"-18
  • Thread Type UNC (Coarse)
  • Fastener Length 4-1/2"
  • Min. Thread Length 7/8"
  • Basic Material Steel
  • Screw Grade/Class Grade 5
  • Fastener Finish Zinc Plated
  • Thread Style Fully Threaded
  • Thread Direction Right Hand
  • Head Height 13/64"
  • Head Width 1/2"
  • Proof Load 4450 psi
  • Tensile Strength 120,000 psi
  • Rockwell Hardness C25 to C34
  • Fastener Industry Standards ASME B18.2.1
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