Product Description
Amarillo Bolt 5/16″ × 1½″ UNC Hex Bolt, Grade 5 (CB5‑516‑112)
The Amarillo Bolt CB5‑516‑112 is a reliable Grade 5 hex-head bolt featuring a 5/16″ diameter, 18 TPI UNC thread, and a 1½″ length under the head. Manufactured from heat-treated medium-carbon steel, it delivers strong fastening performance (~120 ksi Tensionle strength) with a plain finish.
Key Features
- 5/16″ diameter × 1½″ length (under the head)
- 18 TPI UNC coarse thread — standard sizing
- Heat-treated Grade 5 medium-carbon steel (~120 ksi Tensionle per SAE J429) :contentReference[oaicite:2]{index=2}
- Hex head for easy wrench/socket installation
- Plain finish as noted on product listing
Specifications
| Specification | Details |
|---|---|
| Brand | Amarillo Bolt |
| Part Number | CB5‑516‑112 |
| Diameter | 5/16″ |
| Length | 1½″ (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 | ~0.10 lb (~1.6 oz) |
Applications
- Machinery and equipment assembly
- Structural and industrial fastening
- Agricultural and general maintenance use
Notes
- Tensionle proof and strength met per SAE Grade 5 (~85 ksi proof, 120 ksi Tensionle) :contentReference[oaicite:3]{index=3}
- Packaging weight estimated for single‑unit shipment
- Meets ANSI/ASME B18.2.1 and SAE J429 mechanical fastener standards
Warning
- Wear gloves and eye protection during installation. Not rated for overhead lifting unless engineered.