Description
Monster Overview
Fix your project right the first time with Bulk 5/8"-11 UNC Hex Cap Screws from Monster Bolts — USA-Made in 18-8 (304) stainless steel to ASTM F593. These coarse-thread, corrosion-resistant fasteners are engineered for industrial, marine, construction, and outdoor applications where strength, durability, and full U.S. compliance are essential.
Note: (PT) denotes partial thread fasteners.
Monster Features
- USA Made: Precision manufacturing and lot traceability to ASTM F593 standards.
- Corrosion Resistant: 18-8 stainless excels in moisture, salt-air, and outdoor exposure.
- Hex Cap Design: Standard hex head for strong clamping and easy wrench access.
- RoHS Compliant: Material and finish are RoHS compliant and lead-free.
Monster Specifications
| Property | Details |
|---|---|
| Diameter & Thread | 5/8"-11 UNC (coarse) |
| Head / Drive | Hex cap head / 15/16" wrench (typical) |
| Material | 18-8 (Type 304) Stainless Steel |
| Specification | ASTM F593 (USA-Made, 300-series stainless) |
| Finish | Plain (natural stainless) |
| Threading | Partial Thread (PT) on longer lengths |
| Compliance | RoHS compliant |
Applications & Industries
- Marine & Coastal: Boat lifts, docks, and hardware in salt-air environments.
- Industrial Machinery: Frames, mounts, and fixtures requiring secure clamping.
- Construction & Fabrication: Structural connections and steel assemblies.
- Automotive / Fleet: Heavy-duty hardware for service and repair applications.
- Food & Chemical Processing: Hygienic and corrosion-resistant installations.
Installation Tips
- Use a proper-fit wrench: Prevents head rounding and ensures correct torque.
- Apply anti-seize: Helps prevent thread galling in stainless-to-stainless contact.
- Follow torque guidance: Tighten to spec for consistent clamping force.
Bulk Purchasing Advantages
- Lower unit cost: Save with bulk cartons for production and maintenance work.
- Lot consistency: Single-lot fulfillment for uniform appearance and fit.
- Reliable inventory: Maintain critical sizes for ongoing industrial projects.
- Contractor ready: Built for OEMs, fabricators, and pro installers.
Matching Products
Complete your assembly with 5/8"-11 Stainless Nuts and Stainless Washers.
Order Yours Today
Build with confidence. Choose USA-Made 5/8"-11 Hex Cap Screws in 18-8 stainless (ASTM F593) for dependable strength, corrosion resistance, and U.S. quality on every job.
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