Carriage Bolt, Square Neck, 5/16"-18, 3-1/2 in L, 18-8 Stainless Steel, Not Graded, Plain, 50 PK MPN:U51500.031.0350
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In Stock
Free Shipping
In Stock
SKU
510-G9092657
Carriage Bolt, Square Neck, 5/16"-18, 3-1/2 in L, 18-8 Stainless Steel, Not Graded, Plain, 50 PK
Upgrade your fastening needs with our 18-8 Stainless Steel Carriage Bolts. Ideal for use in marine, food processing, and chemical environments, these bolts resist corrosion and maintain their strength in harsh conditions. With a square neck and right-hand thread, they provide a secure hold in wood, plastic, and metal applications. Perfect for construction, furniture making, and DIY projects, our 50-pack of bolts ensures you have a steady supply of reliable fasteners. Their high tensile strength of 100,000 psi and durable construction make them a great choice for heavy-duty use, ensuring your projects stand the test of time.
Top product features:
- Square neck design for easy installation
- Right-hand thread direction for secure fastening
- 18-8 stainless steel construction for corrosion resistance
Top product applications:
- Furniture assembly
- Cabinetry and shelving installation
- Deck and fence construction
Carriage Bolt, Inch, Neck Type Square, Basic Material Stainless Steel, Material Grade 18-8, Fastener Finish Plain, 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 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 100,000 psi, 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 1, 2026 7:42pm UTC
Category: Screws and Bolts