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5/8"-18, Steel Hex Head Cap Screw, Grade 5, 2-1/2"L, Plain Finish, 25 PK

  • Item # 3FNZ4
  • My Part #
  • Mfr. Model # 3FNZ4
  • Catalog Page # N/A
  • UNSPSC # 31161501
5/8"-18, Steel Hex Head Cap Screw, Grade 5, 2-1/2"L, Plain Finish, 25 PK close
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Product Details

These hex head screws each feature a thick, hexagonal head designed for tightening with a wrench. Use in pretapped holes or with nuts. Grade 5 steel construction offers strength and moderate flexibility. The screws are hardened, yet more malleable than Grade 8, allowing them to withstand shear force.

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Technical Specs

  • Item Hex Head Cap Screw
  • System of Measurement Inch
  • Cap Screw Type Hex Head Cap Screw
  • Basic Material Steel
  • Material Grade Grade 5
  • Fastener Finish Plain
  • Dia./Thread Size 5/8"-18
  • Fastener Length 2-1/2"
  • Fastener Thread Direction Right Hand
  • Fastener Thread Type UNF (Fine)
  • Fastener Thread Style Fully Threaded
  • Fastener Industry Standards ASME B18.2.1
  • Head Type Hex
  • Min. Thread Length 1-1/2"
  • Head Height 25/64"
  • Head Width 15/16"
  • Proof Load 85,000 psi
  • Tensile Strength 120,000 psi
  • Rockwell Hardness C25 to C34
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