Product Description
Amarillo Bolt ¾″ × 3½″ UNC Hex Bolt, Grade 5 (CB5‑34‑312)
The Amarillo Bolt CB5‑34‑312 is a rugged hex-head bolt measuring ¾″ in diameter and 3½″ in length. With 10 threads-per-inch UNC threading and Grade 5 medium-carbon steel construction, it offers strong and durable fastening for machinery, structural, and industrial applications.
Key Features
- ¾″ nominal diameter with 10 TPI (UNC) coarse threads
- 3½″ length (measured under head)
- Hex head for standard wrench or socket use
- Grade 5 medium-carbon steel, heat-treated for reliable performance
- Plain finish; plating options available
Specifications
- Brand: Amarillo Bolt
- Part Number: CB5‑34‑312
- Diameter: ¾″
- Thread Pitch: 10 TPI (UNC)
- Length: 3½″
- Material Grade: ASTM A307 Grade 5 carbon steel
- Head Style: Hex
- UPC: Not listed
- Shipping Dimensions (estimated): 4″ × 1″ × 1″
- Shipping Weight (estimated): ~0.38 lb
Applications
- Machinery and equipment assembly
- Structural framing and fastening tasks
- Industrial, agricultural, and construction use
Notes
- Stock and pricing confirmed via A&I Parts Center listing :contentReference[oaicite:1]{index=1}
- Weight estimate based on standard ¾″–10 Grade 5 bolt data (~0.109 lb/in) :contentReference[oaicite:2]{index=2}
- Meets ANSI/ASME B18.2.1 and SAE J429 Grade 5 standards
- Final plating, Tensionle, and packaging details to be confirmed per order
Warning
- Wear gloves and eye protection during installation. Not approved for overhead lifting unless engineered for such use.