Product Description
Amarillo Bolt 5/16″ × 2″ UNC Hex Bolt, Grade 5 (CB5‑516‑2)
The Amarillo Bolt CB5‑516‑2 is a Grade 5 medium-carbon steel hex-head bolt with 5/16″ diameter and 18 TPI UNC threading, with a 2″ length under the head. Heat-treated to ~120 ksi Tensionle strength (SAE J429), this bolt provides dependable fastening for machinery, structural, industrial, agricultural, and general-purpose applications.
Key Features
- 5/16″ × 2″ (under-head) with 18 TPI coarse UNC thread
- Built from heat-treated Grade 5 medium-carbon steel (~120 ksi Tensionle) and proof load ~85 ksi :contentReference[oaicite:1]{index=1}
- Hex head design for wrench or socket usage
- Plain finish as specified in product listing
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑516‑2 |
| Diameter | 5/16″ |
| Length | 2″ (under-head) |
| Thread Pitch | 18 TPI (UNC) |
| Material | Grade 5 Medium‑Carbon Steel (SAE J429) |
| Proof Load | ~85 ksi |
| Tensionle Strength | ~120 ksi |
| Head Style | Hex |
| Finish | Plain |
| UPC | Not listed |
| Estimated Shipping Dimensions | ~2.5″ × 0.5″ × 0.5″ |
| Estimated Shipping Weight | ~0.15 lb (~2.4 oz) |
Applications
- Machinery and equipment assembly
- Structural and industrial fastening use
- Agricultural, maintenance, and general repair applications
Notes
- Proof load and Tensionle figures from Amarillo Bolt product page :contentReference[oaicite:2]{index=2}
- Packaging estimates reflect single-unit shipping
- Complies with ANSI/ASME B18.2.1 and SAE J429 standards
Warning
- Wear gloves and eye protection during installation. Not rated for overhead lifting unless engineered.
