New Arrivals/Restock

5/16" x 4" (50 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 5/16" USS Flat Washers (50 pcs) and 5/16"-18 Hex Nuts (50 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt

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Product details

Management number 208196125 Release Date 2026/03/22 List Price $15.68 Model Number 208196125
Category
  • Diameter: 5/16" | Length: 4" | Head diameter: 0.703" | Nut diameter: 5/16"-18 | Nut wrench size: 1/2" | Washer outside diameter: 7/8"
  • Kit includes 50 Grade 307A carriage bolts, 50 USS thick washers, 50 Grade 2/A hex nuts
  • Hot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumber
  • The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
  • Meets or Exceeds: ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329
Manufacturer Makers Bolt
Package Dimensions 9.96 x 8.86 x 2.87 inches; 5.18 Pounds

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