Carriage Bolt, Square Neck, 5/16"-18, 4-1/2 in L, Steel, Grade 2, Zinc Plated, 50 PK MPN:U08305.031.0450
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In Stock
Free Shipping
In Stock
SKU
510-G3030964
Carriage Bolt, Square Neck, 5/16"-18, 4-1/2 in L, Steel, Grade 2, Zinc Plated, 50 PK
This zinc-plated steel carriage bolt is a versatile fastening solution for various applications. With a 5/16in-18 thread size and 4-1/2 inch length, it's suitable for use in wood, metal, and other materials. The square neck provides a secure fit in pre-drilled holes, while the right-hand thread ensures easy installation. Ideal for construction, furniture making, and DIY projects, this bolt offers a strong and durable solution. The zinc plating provides corrosion resistance, ensuring a long-lasting finish. With a tensile strength of 74,000 psi, it can withstand heavy loads and stresses, making it a reliable choice for a wide range of applications.
Top product features:
- Square neck design for easy installation
- Right-hand thread for secure fastening
- Zinc-plated finish for corrosion resistance
Top product applications:
- Deck Building
- Furniture Assembly
- General Construction
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 4 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: 4.36
Product info last updated on February 10, 2026 1:46pm UTC
Category: Screws and Bolts