Description
Product Overview
Get precision fine-thread strength with Bulk 1-1/4"-12 Grade 8 Hex Cap Screws in a corrosion-resistant zinc yellow CR+3 finish. These Made in USA UNF-thread bolts deliver high tensile strength, excellent vibration resistance, and precision clamping for machinery, industrial equipment, fabrication, and heavy-duty mechanical assemblies.
Built to SAE J429 Grade 8 specifications, these premium alloy-steel fasteners ensure dependable performance under extreme load. The CR+3 chromate zinc plating provides improved corrosion protection while remaining fully RoHS compliant — ideal for OEMs, equipment builders, and regulated industries.
These bolts are part of our Made in USA Fasteners Collection, shipping quickly from our Florida warehouse.
Key Features
- Size: 1-1/4"-12 UNF (fine thread)
- Strength: High-strength Grade 8 alloy steel
- Finish: Zinc Yellow CR+3 for corrosion resistance and identification
- Compliance: CR+3 finish is RoHS compliant
- Origin: 100% Made in USA
- Applications: Heavy equipment, machinery, industrial builds, tooling, fabrication
- Bulk Packaging: Monster Bolts bulk quantities offer the lowest cost per piece for individuals and businesses needing larger volumes.
Monster Specifications
| Specification | Details |
|---|---|
| Diameter | 1-1/4" (1.250") |
| Thread Size | 1-1/4"-12 UNF (fine thread) |
| Head Style | Hex cap screw / hex bolt |
| Wrench Size | 1-7/8" hex wrench/socket |
| Material | Alloy steel, Grade 8 |
| Finish / Plating | Zinc yellow CR+3 (chromate-converted zinc), RoHS compliant |
| Country of Origin | Made in USA |
| Standards | ASME B18.2.1 dimensions; SAE J429 Grade 8 mechanical properties |
| System of Measurement | Inch / SAE |
| Lengths Available | Available in common 1-1/4-12 lengths; select above. |
| Packaging | Monster Bolts bulk quantities offer the lowest cost per piece for individuals and businesses needing larger volumes. |
Matching Nuts & Washers
Pair with USA-made fine-thread hardware:
- 1-1/4-12 hex nuts (USA-made)
- Flat & lock washers for high-load joints
- For cable, lifting, and rigging builds, explore our USA-machined rigging hardware
Why Choose Monster Bolts?
- Made in USA quality with consistent mechanical performance
- Bulk value pricing reduces cost per piece
- Fast shipping from our Florida warehouse
- Knowledgeable fastener support you can rely on
Order Yours Today
Keep your operation stocked with Made in USA 1-1/4"-12 Grade 8 hex cap screws in zinc yellow CR+3. Select your preferred length above and click "Add to Cart" to get dependable UNF hardware.