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
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- Diameter: 3/8" | Length: 3" | Head diameter: 0.813" | Nut diameter: 3/8" | Nut wrench size: 9/16" | Washer outside diameter: 1"
- Kit includes 25 carriage bolts, 25 USS thick washers, 25 hex nuts
- 5-Layer ceramic black ruspert coating for superior rust resistance (2X protection compared to galvanized)
- Grade 307A carriage bolts, grade 2 hex nuts, and USS flat washers
- The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
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Select a product to estimate shipping.Looking for a durable and reliable bolt for your outdoor projects? MAKERS BOLT’s 3/8" x 3" Carriage Bolt Kit offers a robust solution for heavy-duty applications, built to withstand the elements.
Key Highlights
- Superior Rust Resistance: The 5-layer ceramic black ruspert coating provides twice the rust protection of galvanized bolts.
- Heavy-Duty Construction: Crafted from Grade 307A low carbon steel, these bolts are built to handle demanding tasks.
- Flush Head Design: The round, flat head creates a clean, semi-flush finish, ideal for decking and other projects.
- Complete Kit: Each kit includes 25 bolts, 25 washers, and 25 nuts for a hassle-free installation.
- Easy Installation: The 9/16" nut wrench size ensures convenient tightening.
Useful Facts
- Material: Low Carbon Steel
- Thread Size: 3/8"-16
- Finish: Black Ruspert Coated
- Diameter: 0.38 inches
- Kit Quantity: 25 Bolts, 25 Washers, 25 Nuts
Good Fit For
- Deck Building
- Gazebo Construction
- Pergola Projects
- Heavy-Duty Outdoor Furniture
- General Workshop Repairs
Product details






| Main Specification | |
|---|---|
| Hersteller | Makers Bolt |
| Stückzahl | 25 Zähler |
| Äußeres Ziel | Black Ruspert |
| Kopfstil | rund |
| Herstellerqualität | Premium |
| Fadenabdeckung | teilweise mit Gewinde |
| Außendurchmesser | 1 Zoll |
| Marke | Makers Bolt |
| Kopftyp | Carriage |
| UPC | 810074742818 |
| Anzahl der Positionen | 25 |
| Typ des Verbindungselements | Carriage Bolt |
| Positionsdurchmesser | 0.38 Inches |
| Größe des Verschlusses | 3/8 x 3 |
| Fadengröße | 3/8"-16 |
| Material | Low Carbon Steel |
| Farbe | Schwarz |
| Gewindetyp | UNC |
| Product information | |
| Set Name | 3/8" x 3" Black Carriage Bolt Kit (25 Pack) |
| Technical Details | |
| Teilenummer | CBK3848BR25 |
| Materialtyp | Low Carbon Steel |
| Thread Style | rechte Hand |
| Positionshärte | Grade A307 |
| Style | |
| Fertigtypen | ceramic black ruspert coated |
| Others | |
| Produkttyp | Carriage Bolts |
| Ratingstufe | Grade A307 |
| Größenbezeichnung | 3/8 x 3 |
| Schraubenkopf Stil | rund |















