Description
Product Overview
Build with maximum strength and reliability using Bulk 1"-8 Grade 8 Hex Cap Screws finished in durable zinc yellow CR+3. These Made in USA UNC-thread bolts are built for heavy-duty structural, industrial, agricultural, and equipment applications where maximum clamping force and rugged durability are essential.
Manufactured to SAE J429 Grade 8 mechanical requirements, these large-diameter bolts deliver outstanding tensile performance and long-term stability in the harshest environments. The chromate-converted CR+3 zinc plating adds corrosion resistance without sacrificing regulatory compliance — fully RoHS compliant.
These fasteners are part of the Monster Bolts Made in USA Fasteners Collection, backed by fast Florida-based fulfillment.
Key Features
- Size: 1"-8 UNC (coarse thread)
- Strength: High-strength Grade 8 alloy steel
- Finish: Zinc Yellow CR+3 for improved corrosion resistance and grade visibility
- Compliance: Zinc yellow CR+3 finish is fully RoHS compliant
- Origin: Proudly Made in USA for consistent quality and dependability
- Applications: Heavy machinery, construction, industrial assemblies, fabrication, equipment repair
- 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" (1.000") |
| Thread Size | 1"-8 UNC (coarse thread) |
| Head Style | Hex cap screw / hex bolt |
| Wrench Size | 1-1/2" 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"-8 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 complementary hardware:
- 1"-8 hex nuts (USA-made)
- Flat & lock washers for proper load distribution and vibration control
- For rigging or marine use, explore our USA-machined cable & rigging components
Why Choose Monster Bolts?
- Made in USA quality for the heaviest-duty applications
- Bulk value pricing for contractors, shops, and industrial buyers
- Fast shipping from our Florida fulfillment center
- Real customer support from a fastener-focused team
Order Yours Today
Equip your projects with Made in USA 1"-8 Grade 8 hex cap screws in zinc yellow CR+3 finish. Select your length and bulk quantity above, then click "Add to Cart" to stock up on dependable UNC hardware.