Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hillman 5/16 in. x 3 in. Hot-Dipped Galvanized Steel Carriage Bolts, 100-Pack5 16 in. x 3 in. Galvanized Carriage Bolts (100 Pack) Durable Hillman carriage bolts made from steel with a hot dipped galvanized finish for superior rust resistance. Ideal for fastening wood to wood or wood to metal, the round head and square neck provide a clean, semi flush finish and self locking grip. Key Features: Corrosion Protection: Hot dipped galvanized finish resists rust for outdoor and coastal applications Secure Hold: Square neck locks
5/16 in. x 3 in. Galvanized Carriage Bolts (100-Pack)
Durable Hillman carriage bolts made from steel with a hot-dipped galvanized finish for superior rust resistance. Ideal for fastening wood to wood or wood to metal, the round head and square neck provide a clean, semi-flush finish and self-locking grip.
Key Features:
- Corrosion Protection: Hot-dipped galvanized finish resists rust for outdoor and coastal applications
- Secure Hold: Square neck locks into wood to prevent spinning during tightening
- Clean Finish: Low-profile round head eliminates need for a washer in many installs
- Reliable Strength: Grade 2 steel with coarse threads for dependable fastening
- Bulk Value: 100-count boxed pack for jobsite and shop efficiency
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 5/16 inch |
| Length | 3 inch |
| Material | Steel |
| Finish | Hot Dipped Galvanized |
| Grade | 2 |
| Thread Type | Coarse |
| Unit of Measurement | SAE |
| Number in Package | 100 pack |
| Packaging Type | Boxed |
| Head Style | Round head carriage bolt |
| Neck Style | Square neck, self-locking |
| Category | Carriage Bolts |
Frequently Asked Questions (FAQ):
Q: What size are these carriage bolts?
A: They are 5/16 inch diameter and 3 inches in length with coarse threads.
Q: What materials are these suitable for?
A: They’re designed to fasten a wooden face to either a wood or metal frame.
Q: Are they rust resistant for outdoor use?
A: Yes, the hot-dipped galvanized finish offers strong corrosion protection for exterior applications.
Q: Do I need a washer under the head?
A: Typically no—the round head is designed to provide a semi-flush finish without a washer.
Q: How many bolts are in the package?
A: 100 bolts come in a boxed retail pack.
Understated Hardware, Elevated Finish
The soft dome head and muted galvanized sheen bring a quiet sophistication to exposed hardware moments. I love the square-neck detail—it nests into wood for a tailored, seamless look. Use these to secure bench slats or deck accents where the hardware becomes part of the design story. A dependable, polished touch for luxe, lived-in spaces.
Choose Hillman galvanized carriage bolts for a clean, secure install that stands up to the elements—order your 100-pack 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