Description
Product Overview
Dial in precise clamping with Bulk 7/16"-20 Grade 8 Hex Cap Screws in a durable zinc yellow CR+3 finish. These fine-thread UNF bolts are Made in USA and engineered for applications where vibration resistance, tighter adjustment, and high tensile strength are critical—such as automotive assemblies, industrial machinery, fixtures, and tooling.
Produced from alloy steel to SAE J429 Grade 8 mechanical properties and finished with chromate-converted zinc (CR+3), these hex cap screws provide excellent strength and corrosion resistance while remaining RoHS compliant. The yellow plating also offers quick visual identification of high-grade hardware.
These fasteners are part of the Monster Bolts Made in USA Fasteners Collection, backed by fast shipping from Florida and dedicated support.
Key Features
- Size: 7/16"-20 UNF (fine thread)
- Strength: High-strength Grade 8 alloy steel
- Thread Style: Fine-thread UNF for better vibration resistance and fine adjustment than coarse-thread 7/16-14
- Finish: Zinc Yellow CR+3 for corrosion protection and easy identification
- Compliance: CR+3 plating is RoHS compliant
- Origin: Made in USA for consistent, traceable quality
- Applications: Automotive, machinery, fixtures, tooling, and precision equipment
- Bulk Packaging: Monster Bolts bulk quantities offer the lowest cost per piece for individuals and businesses needing larger volumes.
Monster Specifications
| Specification | Details |
|---|---|
| Diameter | 7/16" (0.4375") |
| Thread Size | 7/16"-20 UNF (fine thread) |
| Head Style | Hex cap screw / hex bolt |
| Wrench Size | 5/8" 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 | Offered in common 7/16-20 lengths; select your required length above. |
| Packaging | Monster Bolts bulk quantities offer the lowest cost per piece for individuals and businesses needing larger volumes. |
Matching Nuts & Washers
Complete your installation with compatible USA-made hardware:
- 7/16-20 fine-thread hex nuts available under the USA Fasteners Collection
- Flat & lock washers to improve load distribution and vibration resistance
- For rigging and lifting hardware, see our USA-machined cable & rigging components
Why Choose Monster Bolts?
- Made in USA quality for demanding applications
- Bulk value pricing to lower your cost per piece
- Fast shipping from our Florida warehouse
- Real support from fastener specialists who understand your applications
Order Yours Today
Stock your bins with Made in USA 7/16-20 Grade 8 hex cap screws in zinc yellow CR+3 plating. Choose the right length and bulk quantity above and click "Add to Cart" to keep your operation supplied with dependable UNF hardware.




