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1/2" x 3" galvanized carriage bolt kit (25) with nuts and washers

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

$44 USD
Price subject to change
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1/2" x 3" (25 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 1/2" USS Flat Washers (25 pcs) and 1/2"-13 Hex Nuts (25 pcs), Hot Dip Galvanized for Exterior Use by Makers Bolt

Galvanized 1/2" carriage bolts, 3" length, includes 25 bolts, 25 washers, and 25 hex nuts for exterior use. Durable, heavy-duty hardware suitable for decks and outdoor projects. Customer note: solid quality and complete kit for assembly

Highlights

  • includes nuts and washers
  • hot-dip galvanized exterior rating
  • flat head for semi-flush finish

Pros

  • includes bolts, washers, and nuts
  • hot dip galvanized for exterior exposure
  • semi-flush flat head for deck installations
  • suitable for ACQ lumber and outdoor use
  • complies with multiple industry standards

Cons

  • fits 1/2" nut and bolt components only
  • length and size fixed to kit specification
  • no alternative finish options listed

Best For

  • deck-building
  • gazebos and pergolas
  • outdoor furniture assembly
  • outdoor structural hardware for lumber
  • heavy-duty outdoor construction

Features

  • Half-inch diameter carriage bolts with 3-inch length
  • Includes 25 Grade 307A bolts, 25 USS thick washers, 25 Grade 2 hex nuts
  • Hot-dip galvanized coating for corrosion resistance
  • Flat head provides semi-flush finish for decks and outdoor structures
  • Meets ASME B18.5, ASTM A307, ASME B18.2.2 specifications

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