Carriage Bolt, Square Neck, 5/16"-18, 3-1/2 in L, Steel, Grade 2, Zinc Plated, 50 PK MPN:U08305.031.0350
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In Stock
Free Shipping
In Stock
SKU
510-G1684322
Carriage Bolt, Square Neck, 5/16"-18, 3-1/2 in L, Steel, Grade 2, Zinc Plated, 50 PK
This 5/16in-18 carriage bolt features a square neck and zinc-plated finish for corrosion resistance. Suitable for use with Grade 2 zinc nuts, it offers a secure fastening solution for various applications, including construction, furniture making, and machinery assembly. The bolt's 3-1/2 inch length provides ample thread engagement, while its 74,000 psi tensile strength ensures reliable performance under stress. Its compact size and versatility make it an ideal choice for a range of tasks, from framing and decking to cabinetry and shelving. With a package quantity of 50, this bolt is a cost-effective solution for projects of all sizes.
Top product features:
- Square neck design for easy installation and reduced risk of stripping
- Right-hand thread direction for secure fastening
- Zinc plating for corrosion resistance and durability
Top product applications:
- Deck building
- Furniture assembly
- General construction 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 3 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: 3.62
Product info last updated on March 21, 2026 7:46pm UTC
Category: Screws and Bolts