Carriage Bolt, Square Neck, 5/16"-18, 4-1/2 in L, Steel, Grade 2, Plain, 50 PK MPN:U08300.031.0450
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In Stock
Free Shipping
In Stock
SKU
510-G2816530
Carriage Bolt, Square Neck, 5/16"-18, 4-1/2 in L, Steel, Grade 2, Plain, 50 PK
Upgrade your construction and repair projects with the GoVets Select Carriage Bolt, a reliable and versatile fastener designed for heavy-duty use. With a square neck and right-hand thread, this bolt provides a secure hold in wood and other materials. Its steel construction and Grade 2 material ensure high tensile strength, making it ideal for applications where durability is crucial. Use with Grade 2 hex nuts for added stability. Suitable for a range of projects, including furniture making, cabinetry, and general construction, this bolt offers a cost-effective solution for professionals and DIYers alike.
Top product features:
- Round head for easy installation and reduced risk of stripping
- Right-hand thread for secure fastening in standard applications
- Square neck for improved grip and reduced slippage in materials
Top product applications:
- Deck building
- Furniture assembly
- Ship repair
Carriage Bolt, Inch, Neck Type Square, Basic Material Steel, Material Grade Grade A, Fastener Finish Plain, 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 5/16 in, Head Dia. 0.688 in to 0.719 in, Head Height 11/64 in, Head Type Round, Square Height 0.156 in to 0.187 in, Square Width 0.307 in to 0.324 in, Tensile Strength 74,000 psi, For Use With Grade 2 Hex 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: 10.00
- Package Width: 7.00
- Package Height: 1.40
- Package Weight: 4.36
Product info last updated on February 14, 2026 3:37pm UTC
Category: Screws and Bolts