Product Description
Amarillo Bolt ⅜″ × 12″ UNC Hex Bolt, Grade 5 (CB5‑38‑12)
The Amarillo Bolt CB5‑38‑12 is a Grade 5 hex-head bolt with a ⅜″ diameter and 16 TPI UNC threading, featuring a 12″ under-head length. Crafted from heat-treated medium-carbon steel (~120 ksi Tensionle strength), it provides reliable and robust fastening for industrial, structural, agricultural, and machinery applications.
Key Features
- ⅜″ diameter × 12″ length (under-head)
- 16 TPI UNC thread for standard fastener compatibility
- Grade 5 medium-carbon steel—heat-treated (~120 ksi Tensionle strength)
- Hex head design for straightforward wrench or socket use
- Plain finish; zinc-plated or coated upgrades available
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑38‑12 |
| Diameter | ⅜″ |
| Length | 12″ (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 | ~12.5″ × 0.75″ × 0.75″ |
| Estimated Shipping Weight | ~0.88 lb (~14 oz) |
Applications
- Industrial and machinery assembly
- Structural and agricultural fastening tasks
- General heavy-duty and maintenance uses
Notes
- Shipping and weight estimates based on standard ⅜″‑16 Grade 5 bolt density (~0.073 lb/in)
- Packaging estimated for single-unit dispatch
- Conforms to ANSI/ASME B18.2.1 and SAE J429 Grade 5 mechanical standards
Warning
- Wear gloves and eye protection when installing. Not rated for overhead lifting unless engineered.
