Carriage Bolt, Square Neck, 5/16"-18, 5-1/2 in L, Steel, Grade 2, Zinc Plated, 50 PK MPN:U08305.031.0550
Carriage Bolt, Square Neck, 5/16"-18, 5-1/2 in L, Steel, Grade 2, Zinc Plated, 50 PK
This 5/16in-18 square neck carriage bolt is a versatile and reliable fastening solution for various applications. Made from steel and zinc-plated for corrosion resistance, it can withstand heavy loads and harsh environments. With a tensile strength of 74,000 psi, it's suitable for use in construction, furniture making, and other industries where durability is essential. The square neck design provides a secure fit in wood and other materials, while the right-hand thread and UNC (coarse) thread type ensure a strong connection. This 50-pack is ideal for projects that require multiple fasteners, providing a convenient and cost-effective solution.
Top product features:
- Zinc plating for corrosion resistance
- Square neck design for secure fit in square holes
- Right-hand thread direction for ease of installation
Top product applications:
- Deck building
- Furniture assembly
- Woodworking projects
Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade A, Fastener Finish Zinc Plated, Dia./Thread Size 5/16 In.-18, Fastener Length 5 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), ASME B18.5, Drill Size 21/64 in, Head Dia. 0.688 in, Head Height 11/64 in, Head Type Round, Square Height 0.156 in, Square Width 0.307 in, Tensile Strength 74,000 psi, For Use With Grade 2 Zinc Nuts, Package Quantity 50
Additional Information
- Country of Origin: ZZ
- Drop Ship Item: No
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 1 days
- Minimum Order Quantity: 1
- Unit of Measure: PK
- Package Length: 12.99
- Package Width: 6.77
- Package Height: 1.00
- Package Weight: 5.15
Product info last updated on February 7, 2026 12:36am UTC
Category: Screws and Bolts