Product Description
Amarillo Bolt 5/8″ × 2″ UNC Hex Bolt, Grade 5, Zinc (CB5‑58‑2)
The Amarillo Bolt CB5‑58‑2 is a Grade 5 medium-carbon steel hex-head bolt with a 5/8″ diameter, 11 TPI UNC threading, and a 2″ under-head length. Finished with zinc plating, it delivers corrosion-resistant fastening performance across structural, industrial, machinery, agricultural, and general-purpose applications.
Key Features
- 5/8″ diameter × 2″ (under-head)
- 11 TPI UNC coarse thread
- Grade 5 medium-carbon steel (~120 ksi Tensionle strength) per SAE J429 standards
- Zinc-plated for corrosion resistance
- Hex head—standard 15/16″ wrench size
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑58‑2 |
| Diameter | 5/8″ |
| Length | 2″ (under-head) |
| Thread Pitch | 11 TPI (UNC) |
| Material | Grade 5 Medium‑Carbon Steel (SAE J429) |
| Finish | Zinc-plated |
| Proof Load | ~85,000 psi |
| Tensionle Strength | ~120,000 psi |
| Wrench Size | 15/16″ |
| Recommended Torque | Dry: ~110 ft·lb, Lubricated: ~150 ft·lb |
| UPC | Not listed |
| Estimated Shipping Dimensions | ~3″ × 1″ × 1″ |
| Estimated Shipping Weight | ~0.65 lb (~10 oz) |
Applications
- Structural and heavy machinery assembly
- Industrial fastening and construction
- Agricultural and general-purpose use
Notes
- Torque values based on standard Grade 5 5/8″ UNC bolts: dry ~110 ft·lb, lubricated ~150 ft·lb :contentReference[oaicite:1]{index=1}.
- Specifications conform to SAE J429 Grade 5 and ANSI B18.2.1 standards.
- Finish pattern and head marking verified from Amarillo Bolt's visible UNC Grade 5 zinc bolts :contentReference[oaicite:2]{index=2}.
Warning
- Wear gloves and eye protection during installation. Torque to application needs.
