5/16" x 4-1/2" (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

$41.31
by MAKERS BOLT

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Diameter: 5/16"
Length: 4-1/2"
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

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