3/8"-16 x 8 (25 Pack) Galvanized Carriage Bolt Kit Grade 307A, Includes: USS Flat Washers (25 pcs) and Hex Nuts (25 pcs), Hot Dip Galvanized for Exterior Use by Fastener Depot

★★★★★ 5.0 24 reviews

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Management number 215644774 Release Date 2026/04/12 List Price $36.00 Model Number 215644774
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
  • 6" of 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 and Washers
UPC 745373817458
Brand Fastener Depot
Color Silver/Grey
Head Type Round
Size Name 3/8"-16 x 8"
Metal Type Carbon Steel
Unit Count 25.0 Count
Item Weight 8 Pounds
Part Number FD490057
Thread Size 3/8"-16
Thread Type Unc
Finish Types Hot Dipped Galvanized
Grade Rating Grade A
Manufacturer Fastener Depot, LLC
Thread Class Coarse
Thread Style Right Hand
Fastener Size 3/8"-16 x 8
Fastener Type Carriage Bolt
Item Diameter 0.38 Inches
Item Hardness Grade 5
Material Type Alloy Steel
Exterior Finish Hot Dipped Galvanized
Item Dimensions 8 x 0.37 x 0.84 inches
Thread Coverage Partially Threaded
Number of Pieces 25
Screw Head Style Round
Manufacturer Grade Grade A
Included Components Nuts & Flat Washers
Compatible Groove Diameter 0.38 Inches

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