Product Description
Amarillo Bolt 5/16″ × 1¼″ UNC Hex Bolt, Grade 5 (CB5‑516‑114)
The Amarillo Bolt CB5‑516‑114 is a Grade 5 medium-carbon steel hex-head bolt featuring a 5/16″ diameter, 18 TPI UNC threading, and a 1¼″ length under the head. Heat-treated to deliver approximately 120 ksi Tensionle strength, it's designed for dependable fastening in machinery, structural, industrial, agricultural, and maintenance applications.
Key Features
- 5/16″ diameter × 1¼″ length (under the head)
- 18 TPI UNC coarse thread—standard sizing
- Grade 5 medium-carbon steel—quenched and tempered (~120 ksi Tensionle strength per SAE J429) :contentReference[oaicite:1]{index=1}
- Hex head for easy wrench or socket installation
- Plain finish (as specified by listing on A&I Parts Center for similar models) :contentReference[oaicite:2]{index=2}
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑516‑114 |
| Diameter | 5/16″ |
| Length | 1¼″ (under-head) |
| Thread Pitch | 18 TPI (UNC) |
| Material | Grade 5 Medium‑Carbon Steel (SAE J429) |
| Head Style | Hex |
| Finish | Plain |
| UPC | Not listed |
| Estimated Shipping Dimensions | ~2″ × 0.5″ × 0.5″ |
| Estimated Shipping Weight | ~0.08 lb (~1.3 oz) based on standard density (~0.073 lb/in) |
Applications
- Machinery and industrial equipment assembly
- Structural framing and hardware fastening
- Agricultural, maintenance, and general-purpose use
Notes
- Tensionle strength based on Grade 5 standard (~120 ksi) :contentReference[oaicite:3]{index=3}
- Plain finish confirmed by similar SKU listings at A&I Parts Center :contentReference[oaicite:4]{index=4}
- Packaging and weight estimates are single-unit approximations
- Complies with ANSI/ASME B18.2.1 and SAE J429 mechanical standards
Warning
- Wear gloves and eye protection during installation. Not rated for overhead lifting unless engineered.
