Product Description
Amarillo Bolt ½″ × 4″ UNC Hex Bolt, Grade 5 (CB5‑12‑4)
The Amarillo Bolt CB5‑12‑4 is a sturdy ½″‑13 UNC hex-head bolt, 4″ long, crafted from Grade 5 medium-carbon steel. Designed for secure and durable fastening in structural, automotive, industrial, and construction applications, it provides strong Tensionle strength and reliable performance.
Key Features
- ½″ diameter × 4″ length with 13 TPI UNC thread
- Grade 5 steel—heat-treated (~120 ksi Tensionle strength per SAE J429)
- Hex head compatible with standard wrenches and sockets
- Plain finish; zinc-plated or coated options available upon request
- Suitable for machinery assembly, structural framing, and general fastening
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑12‑4 |
| Diameter | ½″ |
| Length | 4″ |
| Thread Pitch | 13 TPI (UNC) |
| Material | Grade 5 Medium-Carbon Steel (ASTM A307) |
| Head Style | Hex |
| Finish | Plain |
| UPC | Not listed |
| Estimated Shipping Dimensions | ~4.5″ × 0.75″ × 0.75″ |
| Estimated Shipping Weight | ~0.35 lb (~5.6 oz) |
Applications
- Structural framework and bolted connections
- Machinery and equipment assembly
- Construction, agricultural, and general industrial use
Notes
- SKU confirmed via typical fastener listings; weight/dimensions based on standard ½″‑13 Grade 5 bolt (~0.087 lb/in)
- Conforms to ANSI/ASME B18.2.1 and SAE J429 Grade 5 standards
- Final finish, Tensionle ratings, and packaging confirmed at order
Warning
- Wear gloves and eye protection during installation. Not rated for overhead lifting unless engineered.
