Bulk 1/4"-20 Grade 8 Hex Cap Screws (Zinc Yellow CR+6 Bake, UNC)

High-Strength Fasteners for Industrial & Manufacturing Applications

Increase efficiency and reduce costs with our 1/4"-20 Grade 8 Hex Cap Screws in bulk. Featuring a zinc-yellow plating and CR+6 bake for enhanced corrosion resistance, these Grade 8 fasteners are built to handle demanding, high-stress environments where failure is not an option.

Key Features

• Diameter: 1/4 inch
• Thread Size: 1/4"-20 (20 Threads Per Inch) – UNC (Coarse) Thread
• Length Options: Multiple lengths to match diverse project needs
• Thread Length: May vary based on total screw length (full or partial threading)
• Wrench Size (Across Flats): 7/16 inch (standard hex head)
• Material & Finish: Grade 8 alloy steel with zinc-yellow CR+6 bake
• Type: Hex Cap Screw
• System of Measurement: Inch (Imperial / US)
• Specifications: Conforms to ASTM B18.2.1
• Matching Nuts & Washers: 1/4"-20 Nuts & Washers Available Here

Bulk Ordering Advantages

Designed for manufacturers, contractors, and industrial enterprises, our bulk packaging helps reduce per-piece costs and keep your projects on budget. Enjoy large-volume savings and ensure you always have a reliable supply of high-grade screws ready to go.

Material Properties

• Grade 8 Strength: Superior tensile strength for demanding applications.
• Corrosion Resistance: Zinc-yellow plating with CR+6 bake to fight rust and environmental wear.
• Durability: Engineered to withstand vibration, stress, and heavy torque loads.

Ideal Applications

• Industrial Machinery & Equipment
• Construction & Structural Projects
• Automotive & Engine Components
• Maintenance & Repair Operations (MRO)
• General Manufacturing & Fabrication

Why Monster Bolts?

Since 2012, Monster Bolts has been a trusted supplier to industrial and manufacturing clients worldwide. We pride ourselves on:

• Reliability: Every fastener meets strict ASTM standards for consistent quality.
• Competitive Pricing: Bulk rates help lower your total costs for large projects.
• Expert Support: Our team is ready to assist with product selection and technical questions.
• Fast Shipping: We keep a robust inventory to minimize your project downtime.

Installation Tips

• Use the correct hex wrench or socket to prevent head damage.
• Clean threads before assembly for accurate torque readings and a secure hold.
• Pair with corresponding Grade 8 nuts and washers for maximum reliability.

Note: Matching nuts and washers are available separately for complete fastening solutions.

Secure Your Bulk Supply Today

Upgrade your fastening solutions with 1/4"-20 Grade 8 Hex Cap Screws from Monster Bolts. Order in bulk to save on costs and ensure you’re fully stocked for upcoming projects. Enjoy quick shipping, top-tier customer support, and the confidence that you’re using industry-approved fasteners in all your critical applications.

✔️ Perfect for large-scale industrial and commercial operations

✔️ Zinc-yellow CR+6 finish for enhanced corrosion resistance

✔️ Meets ASTM B18.2.1 standards for quality and performance