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5/16 x 5 in galvanized carriage bolt kit (50 pcs) with nuts & washers

Makers Bolt ★ 3.8/5 · ItemOracle Score Mid-Range

$43 USD
Price subject to change
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5/16" x 5" (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

Galvanized carriage bolt kit includes 50 bolts, 50 washers, and 50 hex nuts in 5/16" x 5" size. Hot dip galvanized for exterior use; suitable for decks, gazebos, and heavy-duty projects. Customer note: good quality and value for money

Highlights

  • kit includes bolts, washers, nuts
  • hot dip galvanized for corrosion resistance
  • appropriate for exterior lumber use

Pros

  • includes bolts, washers, and nuts
  • hot dip galvanized coating
  • suitable for exterior use
  • semi-flush flat head design
  • meets multiple ASME/ASTM standards

Cons

  • no explicit length tolerance listed
  • no non-hex head option shown
  • requires compatible tools for assembly

Best For

  • deck construction
  • gazebo framing
  • pergola assembly
  • outdoor furniture projects
  • exterior wood fastenings
  • heavy-duty connections

Features

  • 5/16 inch diameter carriage bolts with 5 inch length
  • Includes 50 bolts, 50 USS flat washers, 50 hex nuts (5/16-18)
  • Hot dip galvanized coating for exterior corrosion resistance
  • Flat head provides semi-flush finish suitable for decks and outdoor structures
  • Meets ASME B18.5, ASTM A307, and ASME B18.2.2 standards

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