1/4" x 2-1/2" (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
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- Diameter: 1/4" | Length: 2-1/2" | Head diameter: 0.578" | Nut diameter: 1/4" | Nut wrench size: 7/16" | Washer outside diameter: 47/64"
- Kit includes 100 Grade 307A carriage bolts, 100 USS thick washers, 100 Grade 2/A hex nuts
- Hot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumber
- The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
- Meets or Exceeds: ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329
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Select a product to estimate shipping.This comprehensive kit provides everything you need for robust outdoor projects. Featuring durable, hot-dip galvanized carriage bolts, washers, and nuts, it’s built to withstand the elements and deliver reliable fastening for years to come.
Key Highlights
- Corrosion Resistant: Hot-dip galvanized coating protects against rust and weathering, ideal for exterior use.
- Complete Kit: Includes bolts, washers, and nuts, simplifying your project and reducing the need for separate purchases.
- Heavy-Duty Strength: Grade 307A steel provides excellent strength and durability for demanding applications.
- Flat Head Design: The flat head creates a clean, flush finish, suitable for decks and other outdoor structures.
- Easy Installation: 1/4"-20 thread size and 7/16" nut wrench size ensure straightforward assembly.
Useful Facts
- Material: Low Carbon Steel
- Thread Size: 1/4"-20
- Finish: Hot-Dipped Galvanized (Grey)
- Grade: A307
- Diameter: 1/4" (Bolt & Washer)
- Length: 2-1/2"
Good Fit For
- Building decks, gazebos, and pergolas
- DIY outdoor projects and repairs
- General construction and fastening tasks
- Projects utilizing ACQ treated lumber
Product details





| Main Specification | |
|---|---|
| Fabricant | Makers Bolt |
| Numéro d'unité | 100 Nombre |
| Finition extérieure | Hot-Dipped Galvanized |
| Type de métal | Acier au carbone |
| Style de tête | Plat |
| Classe du fabricant | A307 |
| Couverture des fils | Entièrement filetés |
| Diamètre extérieur | 0.58 inches |
| Marque | Makers Bolt |
| Type de tête | Plat |
| UPC | 810074742962 |
| Nombre d'articles | 100 |
| Type de fixation | Carriage Bolt |
| Diamètre de l'article | 0,25 pouces |
| Nombre de pièces | 100 |
| Taille de la fixation | 1/4" - 2-1/2" |
| Taille du fil | 1/4"-20 |
| Matériau | Acier à faible teneur en carbone |
| Couleur | Gris |
| Type de fil | Unc |
| Product information | |
| Définir le nom | 1/4" x 2-1/2" Galvanized Carriage Bolt Kit (100 Piece) |
| Technical Details | |
| Numéro de pièce | CBK2540GV100 |
| Type de matériau | Acier à faible teneur en carbone |
| Style de filetage | Unified National Coarse |
| Classe de fil | 2A |
| Diamètre de rainure compatible | 0.44 inches |
| Point Dureté | Deuxième année |
| Style | |
| Types de finition | Galvanisé |
| Measurements | |
| Dimensions de l'article | 2,5 x 0,25 x 0,25 pouces |
| Others | |
| Type de produit | Carriage Bolts |
| Classement | Grade A307 |
| Nom du calibre | 1/4" x 2-1/2" |
| Style de tête vissée | Plat |












