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Durable Hillman carriage bolts made from steel with a hot-dipped galvanized finish for superior corrosion resistance. Ideal for fastening wood to wood or metal frames, featuring a round head with a square neck for self-locking installation. Sized 5/16 in. diameter by 1 in. length, coarse thread.
| Specification | Details |
|---|---|
| Brand Name | Hillman |
| Finish | Hot Dipped Galvanized |
| Grade | 2 |
| Length | 1 inch |
| Material | Steel |
| Number in Package | 100 pack |
| Packaging Type | Boxed |
| Thread Type | Coarse |
| Unit of Measurement | SAE |
| Head Diameter - Pitch | 5/16 inch |
| Diameter | 5/16 inch |
| Pack Weight | 3.3 lbs |
Q: What materials can these carriage bolts fasten?
A: They are designed to fasten a wooden face to wood or metal frames, commonly used in decks, fences, and structural framing.
Q: Do I need a washer under the head?
A: Typically no— the round head is designed to create a semi-flush finish, though washers and nuts may be used as needed on the nut side.
Q: Are these suitable for outdoor use?
A: Yes. The hot-dipped galvanized finish provides strong corrosion resistance for exterior applications.
Q: What thread type do these bolts use?
A: Coarse SAE threads in a 5/16 in. diameter.
Q: How many bolts are included?
A: 100 pieces per retail package.
The smooth domed head brings a tailored, minimal profile to decks and garden structures, balancing strength with a polished look. Hot-dipped galvanization lends a muted, industrial patina that pairs beautifully with natural woods. Use these bolts to anchor slatted screens or outdoor benches for a composed, architectural feel. A small detail with big impact—essential hardware for elevated, durable living.
Upgrade your build with rust-resistant Hillman carriage bolts—add this 100-pack to your project today.
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
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