Pay in installments of $9.25 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 21 - Sep 26
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hillman 5/16 in. x 3-1/2 in. Hot Dipped Galvanized Steel Carriage Bolts, 50-Pack5 16 in. x 3 1 2 in. Galvanized Carriage Bolts (50 Pack) These Hillman carriage bolts feature a hot dipped galvanized steel finish for superior rust resistance in outdoor and marine applications. The round head and square neck provide secure, flush fastening in wood to wood or wood to metal projects. Pack includes 50 coarse thread bolts for reliable, long lasting hardware installs. Key Features: Corrosion Protection: Hot dipped galvanized steel
5/16 in. x 3-1/2 in. Galvanized Carriage Bolts (50-Pack)
These Hillman carriage bolts feature a hot-dipped galvanized steel finish for superior rust resistance in outdoor and marine applications. The round head and square neck provide secure, flush fastening in wood-to-wood or wood-to-metal projects. Pack includes 50 coarse-thread bolts for reliable, long-lasting hardware installs.
Key Features:
- Corrosion Protection: Hot-dipped galvanized steel resists rust for outdoor longevity
- Secure Hold: Square neck locks into wood to prevent spinning during tightening
- Clean Finish: Low-profile round head eliminates the need for a washer and sits semi-flush
- Reliable Strength: Grade 2 steel with coarse SAE threads for general construction use
- Bulk Convenience: 50-piece boxed pack for multi-project efficiency
Specifications Table:
| Specification | Details |
|---|---|
| Size | 5/16 inch diameter x 3-1/2 inch length |
| Finish | Hot Dipped Galvanized |
| Material | Steel |
| Grade | 2 |
| Thread Type | Coarse |
| Unit of Measurement | SAE |
| Head Style | Round head with square neck |
| Number in Package | 50 pack |
| Packaging Type | Boxed |
| Category | Carriage Bolts |
Frequently Asked Questions (FAQ):
Q: What materials are these carriage bolts made from?
A: Steel with a hot-dipped galvanized finish for enhanced corrosion resistance.
Q: Are these bolts suitable for outdoor use?
A: Yes. The galvanized coating is designed to prevent rust, making them ideal for exterior applications.
Q: What thread type do they use?
A: Coarse SAE threads.
Q: Do I need a washer under the head?
A: Typically no—the round head design provides a semi-flush finish, reducing the need for a washer.
Q: How many bolts come in the package?
A: 50 bolts per boxed pack.
Understated Hardware, Elevated Craft
The rounded carriage head offers a clean, tailored detail that feels both intentional and timeless. Its galvanized sheen brings a subtle industrial edge while promising performance in the elements. Use these bolts to anchor outdoor benches or garden gates, letting the minimal profile complement warm woods and crisp lines. A quiet essential that ensures durability without compromising style—true luxury in the details.
Secure your projects with long-lasting, rust-resistant fastening—add this 50-pack of Hillman galvanized carriage bolts to your cart today.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy