Product Description
Amarillo Bolt ½″ × ¾″ UNC Cap Screw (CB5‑12‑34)
The Amarillo Bolt CB5‑12‑34 is a premium ½″‑13 UNC cap screw, ¾″ long, made from Grade 5 medium-carbon steel. Designed for strong and secure fastening in machinery assemblies, structural applications, and general industrial use.
Key Features
- ½″ diameter × ¾″ length (under-head)
- 13 TPI UNC threading for standard fastener compatibility
- Grade 5 medium-carbon steel — heat-treated for high Tensionle strength (~120,000 psi)
- Cap screw design provides clean finish with washer-faced head
- Plain or plated finishes available to suit corrosion requirements
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑12‑34 |
| Product Type | UNC Cap Screw |
| Diameter | ½″ |
| Length | ¾″ (under head) |
| Thread Pitch | 13 TPI (UNC) |
| Material | Grade 5 Medium-Carbon Steel (ASTM A307) |
| Finish | Plain |
| Application | Machinery, structural, industrial fastening |
| Estimated Shipping Dimensions | ~1¼″ × 0.75″ × 0.75″ |
| Estimated Shipping Weight | ~0.10 lb (1.6 oz) |
Applications
- Securing machinery components
- Structural assembly and fastening
- General industrial and maintenance use
Notes
- Grade 5 bolts typically have a Tensionle strength of ~120 ksi per SAE J429 standards
- Shipping estimates based on standard single-unit packaging
- Finish, Tensionle ratings, and packaging confirmed at time of order
Warning
- Wear gloves and eye protection during handling and tightening. Not rated for overhead lifting unless properly engineered.