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home > Hillman 5/16 in. x 1 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-Pack > Hillman 5/16 in. x 1 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-Pack
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Hillman 5/16 in. x 1 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-PackGalvanized Steel Carriage Bolt, 5 16 in. x 1 in. (100 Pack) 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. Key Features: Corrosion Protection: Hot dipped galvanized steel resists rust in outdoor and high
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Galvanized Steel Carriage Bolt, 5/16 in. x 1 in. (100-Pack)

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.


Key Features:

  • Corrosion Protection: Hot-dipped galvanized steel resists rust in outdoor and high-moisture environments
  • Secure Hold: Square neck locks into wood to prevent spinning during installation
  • Clean Finish: Round head provides a semi-flush look without requiring a washer
  • Convenient Pack: 100 bolts per boxed retail package for bulk projects
  • Standard Fit: Coarse SAE threads for common hardware compatibility

Specifications Table:

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

Frequently Asked Questions (FAQ):

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.


A clean, galvanized accent for rugged, refined builds

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.

Hillman 5/16 in. x 1 in. Hot-Dipped Galvanized Steel Carriage Bolt, 100-Pack

Item no : 59768332422
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US$ 27.99
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Min. order: 1piece

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