Bulk 2"-4 1/2 Grade 8 Hex Cap Screws (Alloy Steel, Coarse, Plain Finish)

Heavy-Duty Fasteners for Large-Scale & High-Load Projects

Meet your most demanding project requirements with our 2"-4 1/2 Grade 8 Hex Cap Screws in a plain (unplated) finish. Manufactured from premium Grade 8 alloy steel, these bolts are built for extreme load capacities, ideal for applications where maximum clamping force is essential. The coarse thread design allows for secure fastening even under heavy vibration or torque.

Note – PT = Partial Thread

Key Features

• Diameter: 2 inch
• Thread Size: 4-1/2 (4.5 Threads Per Inch) – Coarse Thread
• Length Options: Multiple lengths to accommodate a variety of industrial needs
• Thread Length: Can be fully or partially threaded depending on total screw length
• Wrench Size (Across Flats): Approximately 3 inch (standard hex head)
• Material: Grade 8 alloy steel
• Finish: Plain (unplated) – ideal where special coatings are not required
• Type: Hex Cap Screw
• System of Measurement: Inch (Imperial / US)
• Specifications: Conforms to ASTM B18.2.1
• Matching Nuts & Washers: 2"-4 1/2 Nuts & Washers Available Here

Bulk Ordering Advantages

By ordering in bulk, you lower your per-piece cost and ensure a reliable stock of these heavy-duty fasteners for large-scale or ongoing projects. This option is especially beneficial for contractors, manufacturers, and industrial operations that require frequent replenishment of robust hardware.

Material Properties

• Extreme Strength: Grade 8 alloy steel offers outstanding tensile and yield strength.
• Plain Finish: Unplated bolts are cost-effective where additional corrosion protection is unnecessary.
• High Load Capacity: Coarse threads deliver secure fastening under heavy torque and vibration.

Ideal Applications

• Heavy Machinery & Equipment
• Construction & Structural Steel Projects
• Automotive & Off-Road Vehicle Assembly
• Maintenance, Repair & Overhaul (MRO)
• Industrial Manufacturing & Fabrication

Why Monster Bolts?

Since 2012, Monster Bolts has supplied top-quality, industrial-grade fasteners to professionals worldwide. We stand out for:

• Reliability: Every bolt meets ASTM standards, ensuring consistent performance.
• Competitive Bulk Pricing: Lower overall project expenses when buying large quantities.
• Vast Inventory & Quick Shipping: Keep your projects running on time with fast fulfillment.
• Expert Guidance: Our knowledgeable team is ready to assist with product selection and technical inquiries.

Installation Tips

• Use an appropriately sized wrench or impact socket to avoid head or thread damage.
• Clean and lubricate threads prior to assembly to ensure accurate torque readings.
• Pair with Grade 8 nuts and washers for maximum clamping force and overall joint integrity.

Note: Nuts and washers are sold separately.

Secure Your Bulk Supply

Trust 2"-4 1/2 Grade 8 Hex Cap Screws (plain finish) to deliver the durability and power your large-scale projects demand. Order in bulk now and experience cost savings, reliable service, and high-quality products from Monster Bolts.

✔️ Perfect for large-scale industrial applications

✔️ Plain, unplated finish suitable where additional corrosion protection is optional

✔️ Conforms to ASTM B18.2.1 standards for proven reliability