Bulk 1/4"-28 Grade 8 Hex Cap Screws (Zinc Yellow, CR+6 Bake)

High-Strength UNF Threads for Industrial & Manufacturing Applications

Upgrade your assembly lines and manufacturing operations with our 1/4"-28 Grade 8 Hex Cap Screws, available in bulk for cost savings. These heavy-duty screws feature a zinc-yellow finish and CR+6 bake for enhanced corrosion resistance, making them ideal for demanding applications where reliability and performance are paramount.

Key Features

• Diameter: 1/4 inch
• Thread Size: 1/4"-28 (28 Threads Per Inch) – UNF (Fine) Thread
• Length Options: Offered in multiple lengths to meet project requirements
• Thread Length: May vary between full or partial threading depending on screw length
• Wrench Size (Across Flats): 7/16 inch (standard hex head)
• Type: Grade 8 Hex Cap Screw
• Matching Nuts & Washers: 1/4"-28 Nuts & Washers Available Here
• System of Measurement: Inch (Imperial / US)
• Material & Finish: High-strength alloy steel with zinc-yellow coating and CR+6 bake
• Specifications: Conforms to ASTM B18.2.1

Bulk Ordering Advantages

When you buy in bulk, you save on per-piece cost and streamline your supply chain. Ideal for large-scale operations, these screws are packaged to meet the volume needs of industrial, manufacturing, and commercial applications.

Material Properties

Our Grade 8 hex cap screws offer outstanding mechanical properties, ensuring:

• Exceptional Strength: Built to withstand high torque and stress.
• Corrosion Resistance: Zinc-yellow finish with CR+6 bake resists rust and chemical exposure.
• Long-Term Durability: Ideal for rigorous industrial and manufacturing environments.

Ideal Applications

• Industrial Machinery and Production Lines
• Automotive Assemblies and Repairs
• Construction and Heavy Equipment
• Aerospace Components
• General Manufacturing and Fabrication

Why Choose These Hex Cap Screws?

• High-Quality Material: Grade 8 alloy steel provides outstanding tensile strength.
• Enhanced Coating: Zinc-yellow plating with CR+6 bake adds robust corrosion protection.
• UNF Thread Precision: Fine 1/4"-28 threads ensure tighter clamping force.
• Bulk Savings: Competitive pricing for large orders, perfect for commercial and industrial use.
• Standards Compliant: Meets ASTM B18.2.1 for reliable performance.

Installation Tips

For best results when installing Grade 8 hex cap screws:

• Use the appropriate tooling to avoid head or thread damage.
• Clean and lubricate threads before assembly to ensure accurate torque readings.
• Pair with Grade 8 nuts and washers for maximum joint integrity.

Note: Matching nuts and washers are available for separate purchase if needed.

Secure Your Bulk Order Today

Don’t compromise on strength or reliability. Order your 1/4"-28 Grade 8 Hex Cap Screws in bulk now and equip your projects with top-tier fasteners designed for industrial success. Enjoy fast shipping and responsive customer support every step of the way!

✔️ Trusted for large-scale commercial and industrial projects

✔️ High-strength Grade 8 alloy steel with premium zinc-yellow CR+6 finish

✔️ Conforms to ASTM B18.2.1 specifications