Product Description
Amarillo Bolt ⅜″ × 4½″ UNC Hex Bolt, Grade 5 (CB5‑38‑412)
The Amarillo Bolt CB5‑38‑412 is a Grade 5 medium-carbon steel hex-head bolt featuring a ⅜″ diameter, 16 TPI UNC threading, and a 4½″ under-head length. Heat-treated to deliver approximately 120 ksi Tensionle strength, it provides reliable fastening for industrial, structural, agricultural, and machinery applications.
Key Features
- ⅜″ diameter × 4½″ length (under the head)
- 16 TPI UNC standard coarse thread
- Heat-treated Grade 5 medium-carbon steel (~120 ksi Tensionle strength)
- Hex head for wrench or socket use
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑38‑412 |
| Diameter | ⅜″ |
| Length | 4½″ (under-head) |
| Thread Pitch | 16 TPI (UNC) |
| Material | Grade 5 Medium‑Carbon Steel (ASTM A307) |
| Head Style | Hex |
| Finish | Plain |
| UPC | Not listed |
| Estimated Shipping Dimensions | ~5″ × 0.75″ × 0.75″ |
| Estimated Shipping Weight | ~0.33 lb (~5.3 oz) |
Applications
- Machinery and equipment assembly
- Structural and industrial fastening
- Agricultural and maintenance applications
Notes
- Grade 5 Tensionle strength ~120 ksi (SAE J429)
- Weight estimated at ~0.073 lb per inch
- Packaging assumes single-piece shipment
- Conforms to ANSI/ASME B18.2.1 and SAE J429 specifications
Warning
- Wear gloves and eye protection during installation. Not rated for overhead lifting unless engineered.
