3/8" x 6-1/2" carriage bolt kit, ceramic coated, 25‑pack

Makers Bolt ★ 3.6/5 · ItemOracle Score Mid-Range

$43 USD
Price subject to change
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3/8" x 6-1/2" (25 Pack) Black Carriage Bolt Kit, Grade 307A, Ceramic Coated for Exterior Use, 2X Rust Resistance of Galvanized by Makers Bolt

Ceramic-coated carriage bolt kit includes bolts, washers, and nuts for exterior use. Rust resistance is highlighted with dual protection. Customers note quality and value, with mixed feedback on rust behavior

Highlights

  • ceramic-coated rust resistance
  • includes complete hardware kit
  • flat head for flush finish

Pros

  • ceramic black ruspert coating for rust resistance
  • includes bolts, washers, and hex nuts
  • semi-flush flat head for deck or outdoor structures
  • well-built and quality construction
  • value for the bundle size

Cons

  • rust resistance feedback is mixed

Best For

  • outdoor decks
  • gazebos and pergolas
  • outdoor structures requiring heavy-duty bolts
  • bolting down small structures like tiny homes
  • projects needing flat-head finish

Features

  • Bolt diameter 3/8" and length 6-1/2" for sizing
  • Ceramic black ruspert coating provides 2X rust resistance
  • Includes 25 carriage bolts, 25 USS washers, 25 hex nuts, 5-layer coating
  • Head diameter 0.813" with nut diameter 3/8" and 9/16" nut wrench
  • Flat head offers semi-flush finish for decks and outdoor structures

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