5/16"-18 x 4-1/2" (50 Pack) Galvanized Carriage Bolt Kit Grade 307A, Includes 5/16"-18 Hex Nuts (50 pcs), Hot Dip Galvanized for Exterior Use by Fastener Depot

★★★★★ 4.2 114 reviews

$90.00
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Product details

Management number 215638488 Release Date 2026/04/12 List Price $36.00 Model Number 215638488
Category

Carriage bolts are designed to fasten a wooden face to either wood or metal. Push into a hole the same size as the shank and then hammered in the rest of the way, where the square shoulder locks it firmly in place eliminating the need for a washer. Used whenever a smooth finish surface is needed so that nothing becomes snagged on the fastener. Galvanized finish allows for greater corrosion resistance.

  • Coarse Thread
  • Superior Corrosion Resistance
  • Hot Dipped Galvanized Finish
  • Grade A
  • Full Thread
  • Minimum Tensile Strength: 60,000 PSI
  • Coating Thickness: for sizes 3/8“ & under : 0.0017” (43 microns) | for sizes over 3/8“ : 0.0020” (50 microns)
  • Specifications Met: ASTM F2329/F2329M or ASTM A153/A153M
  • RoHS Compliant
  • Kit Includes Nuts
UPC 745373817021
Brand Fastener Depot
Color Grey
Size Name 5/16"-18 x 4-1/2"
Unit Count 100.0 Count
Item Weight 5.5 Pounds
Part Number FD490046
Thread Size 5/16"-18
Thread Type Unc
Finish Types Hot Dipped Galvanized
Grade Rating Grade A
Manufacturer Fastener Depot, LLC
Thread Style Right Hand
Fastener Type Carriage Bolt
Item Diameter 5/16" Inches
Item Hardness grade
Material Type Alloy Steel
Exterior Finish Hot Dipped Galvanized
Item Dimensions 4.5 x 0.31 x 0.72 inches
Thread Coverage Fully Threaded
Number of Pieces 50
Screw Head Style Round
Manufacturer Grade Grade A
Included Components Nuts

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