Carriage Bolt, Square Neck, 5/16"-18, 3 in L, Steel, Grade 2, Plain, 50 PK MPN:U08300.031.0300
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In Stock
Free Shipping
In Stock
SKU
510-G0073398
Carriage Bolt, Square Neck, 5/16"-18, 3 in L, Steel, Grade 2, Plain, 50 PK
This 50-pack of 5/16in-18, 3 in L, steel carriage bolts from GoVets Select is ideal for a variety of applications, including construction, woodworking, and furniture making. The square neck provides a secure fit in wood, while the right-hand thread and UNC (Coarse) thread type ensure easy assembly. The bolts are made from Grade 2 steel, offering a tensile strength of 74,000 psi, and are compatible with Grade 2 hex nuts. The plain finish and compact size make them easy to handle and store. Use them for assembling cabinets, shelves, and other wood projects, or for repairing and maintaining existing structures.
Top product features:
- It has a right-hand thread direction for secure fastening.
- It is made of steel for durability and resistance to corrosion.
- It has a square neck design for easy installation and secure holding power.
Top product applications:
- Furniture assembly
- Deck building
- Shelving installation
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 3 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: 5.80
- Package Width: 5.40
- Package Height: 1.40
- Package Weight: 3.17
Product info last updated on January 31, 2026 6:46am UTC
Category: Screws and Bolts