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1/4 in x 3 in galvanized carriage bolt kit (100 pcs) with washers & nuts

Makers Bolt ★ 3.7/5 · ItemOracle Score Mid-Range

$41 USD
Price subject to change
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1/4" x 3" (100 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 1/4" USS Flat Washers (100 pcs) and 1/4"-20 Hex Nuts (100 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt

Galvanized carriage bolt kit includes 100 bolts, 100 washers, and 100 hex nuts. Hot-dip galvanizing offers corrosion resistance; suitable for exterior projects like decks and pergolas. Customer cited quality and good value

Highlights

  • hot-dip galvanized exterior durability
  • includes washers and nuts in kit
  • meets multiple ASME/ASTM standards

Pros

  • complete bolt kit (bolts, washers, nuts)
  • hot-dip galvanized coating for exterior use
  • includes 1/4-20 hex nuts and compatible washers
  • semi-flush flat head for decking applications
  • verified customer positive feedback on quality

Cons

  • limited to 1/4 in diameter and 3 in length
  • assembly requires 7/16 in wrench for nuts

Best For

  • deck construction
  • gazebo framing
  • pergola builds
  • outdoor furniture assembly
  • timber framing with ACQ lumber
  • heavy-duty outdoor projects

Features

  • 1/4 inch diameter carriage bolts with 3 inch length
  • Includes 100 Grade 307A bolts, 100 USS thick washers, 100 Grade 2 A hex nuts
  • Hot dip galvanized coating for corrosion resistance suitable for exterior use
  • Flat head provides semi-flush finish for decks and similar structures
  • Meets or exceeds ASME B18.5, ASTM A307, ASME B18.2 specifications

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