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3/8 x 3 in carriage bolt kit with ceramic coating

Makers Bolt ★ 3.7/5 · ItemOracle Score Budget

$35 USD
Price subject to change
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3/8" x 3" (25 Pack) Black Carriage Bolt Kit, Grade 307A, Ceramic Coated for Exterior Use, 2X Rust Resistance of Galvanized by Makers Bolt

Carriage bolt kit with 25 bolts, 25 washers, and 25 hex nuts; ceramic-coated for rust resistance and exterior use. Customers note solid build and good value, with mixed feedback on rust resistance

Highlights

  • ceramic coating for exterior use
  • kit includes all necessary fasteners
  • flat head for semi-flush finish

Pros

  • ceramic-coated for rust resistance
  • includes bolts, washers, and nuts
  • semi-flush flat head for deck/outdoor use
  • solid build and value for money

Cons

  • mixed rust resistance feedback

Best For

  • outdoor decks
  • gazebos
  • pergolas
  • outdoor furniture assembly
  • bolting down tiny homes
  • heavy-duty outdoor projects

Features

  • Includes 25 carriage bolts, 25 USS washers, 25 hex nuts, 5-layer ceramic black coating
  • Bolt diameter 3/8", length 3" with 0.813" head diameter and 3/8" nut diameter
  • Wrench size 9/16" for nuts; flat head provides semi-flush finish
  • Ceramic coating offers 2X rust resistance versus galvanized for exterior use
  • Grade 307A carriage bolts with compatible hardware for decks, gazebos, pergolas

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