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APM HEXSEAL

18-8 (304) Hex Head Cap Screw 5/16"-18, 2-1/2" Fastener Length, Plain Fastener Finish

  • Item # 5NA58
  • My Part #
  • Mfr. Model # CCLDZZZZOAAZZ
  • Catalog Page # N/A
  • UNSPSC # 31161501
Hex Cap Screw,18-8 SS,5/16-18x2-1/2,PK5 close
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Product Details

The hex head cap screw is a common fastener in construction and machine assembly. The screw head is designed to fit ratchet or spanner torque wrenches for tightening to exact specifications. As an alternative to welds or rivets, cap screw fasteners offer easy disassembly for repairs and maintenance.

These screws are manufactured with 18-8 stainless steel, which helps them resist rust and corrosion. They are recommended for prolonged outdoor use and exposure to salt spray and chemical fumes.

Each screw also features a vibration-resistant, silicone O-ring under the head to seal out air, water, lubricants, and liquid and gas contaminants.

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Technical Specs

  • Item Hex Head Cap Screw
  • System of Measurement Inch
  • Cap Screw Type Hex Head Cap Screw
  • Basic Material Stainless Steel
  • Material Grade 18-8
  • Fastener Finish Plain
  • Dia./Thread Size 5/16"-18
  • Fastener Length 2-1/2"
  • Fastener Thread Direction Right Hand
  • Fastener Thread Type UNC (Coarse)
  • Fastener Thread Style Partially Threaded
  • Fastener Industry Standards RoHS Compliant
  • Head Type Hex
  • Min. Thread Length 7/8"
  • Head Height 13/64"
  • Head Width 37/64"
  • Temp. Range -160 Degrees to 500 Degrees F
  • Tensile Strength 70,000 psi
  • Rockwell Hardness B70
  • Seal Type O-Ring
  • Seal Material Silicone Rubber
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