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Hex Head Cap Screw 5/16"-18, 1-1/2" Length under Head, Stainless Steel 18-8 (304), Plain Finish, PK5 close
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Hex Head Cap Screw 5/16"-18, 1-1/2" Length under Head, Stainless Steel 18-8 (304), Plain Finish, PK5

Price $40.20 / pkg. of 5

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  • Item # 5NA54
  • UNSPSC # 31161501
  • Catalog Page # N/A
  • Shipping Weight 0.2 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

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
  • Head Type Hex
  • Dia./Thread Size 5/16"-18
  • Material Stainless Steel
  • Material Grade 18-8 (304)
  • Finish Plain
  • Thread Type UNC (Coarse)
  • Length 1-1/2"
  • Thread Length 7/8"
  • Head Height 13/64"
  • Head Width 37/64"
  • Thread Style Partially Threaded
  • Thread Direction Right Hand
  • Seal Type O-Ring
  • Seal Material Silicone Rubber
  • Temp. Range -160 Degrees to 500 Degrees F
  • Tensile Strength 70,000 psi
  • Rockwell Hardness B70
  • Meets/Exceeds ROHS Compliant
  • Min. Thread Length 7/8"
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