251 - KNUCKLE 3/4"
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3/4 Knuckle 251
The 3/4 Knuckle 251 is a high-quality cast iron decorative element used in ornamental metal fabrication. It is designed to slide over 3/4" square steel or iron bars, providing an architectural accent for railings, fences, gates, and balusters.
- Class 25-30 Gray Cast Iron
- Fits 3/4" Square Bar
- Decorative Architectural Element
- Application: Fencing & Railings
Constructed from Class 25-30 gray iron, the Knuckle 251 offers excellent durability and a traditional aesthetic for architectural metalwork. This grade of cast iron provides good compressive strength and vibration damping, ensuring a solid, long-lasting installation. The component is manufactured to precise dimensions to ensure a consistent fit on standard 3/4" square tubing or solid bars, making it a reliable choice for commercial and residential fabrication projects in the Los Angeles area.
This versatile ornamental knuckle is essential for fabricators creating custom fences, staircase balustrades, balcony railings, and security gates. Its simple yet elegant design integrates seamlessly into both modern and classic design schemes. Ideal for new construction and MRO (Maintenance, Repair, and Operations) tasks, the Knuckle 251 can be used to repair existing ironwork or add decorative flair to new builds, enhancing the overall value and appeal of the finished product.
Specifications
- Material: Class 25-30 Gray Cast Iron
- Standards: Material conforms to gray iron casting standards
- Strength/Tensile: Class 25-30 indicates a minimum tensile strength of 25-30 ksi
- Dimensions: Designed to fit 3/4" x 3/4" square bar
- Finish: Unfinished (Raw) - Ready for prime and paint
- Certifications: Material certifications available upon request
Applications
- Ornamental Fencing: Creating decorative patterns and connecting vertical pickets.
- Stair & Balcony Railings: Adding architectural details to balusters and handrail systems.
- Security Gates: Enhancing the aesthetic of custom-fabricated steel and iron gates.
- Architectural Metalwork: Used in furniture, window guards, and other decorative projects.
Target Users
This product is primarily used by metal fabrication shops, welders, construction contractors, and MRO professionals specializing in architectural and ornamental ironwork. It is a staple commercial hardware component for creating high-quality, durable metal structures.
Finish Options
The 3/4 Knuckle 251 is typically supplied in a raw, unfinished state to allow for custom finishing. It can be primed and painted with industrial coatings like alkyd or epoxy paints to match any color scheme and provide corrosion resistance. For specific applications, it can also be powder-coated for maximum durability.
How to Measure
To ensure compatibility, measure the outer dimension of the square bar or tubing you intend to use. This knuckle is specifically designed for a 3/4" x 3/4" profile. When ordering, specify the part number and the total quantity required for your project.
Example: "150 pieces of 3/4 Knuckle 251 for 3/4" square bar."
Order Checklist
- Product name and required dimensions (e.g., 3/4" Knuckle 251)
- Grade/material specification and quantity
- Cutting instructions (if applicable)
- Surface finish requirements (e.g., raw for painting)
- Certifications required (Mill Test Report - MTR)
- Special handling or delivery requirements
Quick Facts
- Product
- 3/4 Knuckle 251
- Material
- Class 25-30 Gray Cast Iron
- Standards
- Class 25-30 Gray Iron
- Key Properties
- Durable cast iron construction, decorative design, fits 3/4" square bar, ready for finishing.
- Primary Applications
- Fencing, Railings, Gates, Ornamental Ironwork
- Location
- Los Angeles warehouse - Same-day pickup available
Available Sizes
The 3/4 Knuckle 251 is stocked to fit standard 3/4" square bar. We carry a wide range of ornamental hardware components for various material sizes. Our warehouse stock in Los Angeles ensures quick access for your projects.
Custom sizes and cutting services are available.
Contact for Sizing