Bulk 3/8"-24 Grade 8 Hex Cap Screws (Zinc Yellow CR+6 Bake, UNF)

High-Strength Fasteners for Automotive & Industrial Projects

Elevate the durability of your assemblies with our 3/8"-24 Grade 8 Hex Cap Screws, coated in a zinc-yellow CR+6 bake for superior corrosion resistance. Designed with fine-thread (UNF) technology, these screws deliver enhanced clamping power, making them ideal for automotive, manufacturing, and high-torque industrial environments.

Note – PT = Partial Thread

Key Features

• Diameter: 3/8 inch
• Thread Size: 3/8"-24 – UNF (Fine) Thread
• Length Options: Available in multiple lengths for diverse project requirements
• Thread Length: May be fully or partially threaded depending on overall screw length
• Wrench Size (Across Flats): 9/16 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: 3/8"-24 Nuts & Washers Available Here

Bulk Ordering Advantages

By purchasing these Grade 8 hex cap screws in bulk, you can significantly reduce your per-piece cost while securing a dependable inventory of top-grade fasteners. This approach benefits automotive shops, industrial manufacturers, and construction teams that handle high-volume or large-scale projects.

Material Properties

• Grade 8 Strength: Engineered to handle intense loads and torque.
• Corrosion Resistance: Zinc-yellow CR+6 finish defends against rust and environmental wear.
• Fine Thread Precision: UNF threading provides tighter clamping force and improved vibration resistance.

Ideal Applications

• Automotive & Engine Assembly
• Industrial Machinery & Equipment
• Construction & Structural Reinforcement
• Maintenance, Repair & Overhaul (MRO)
• General Manufacturing & Fabrication

Why Monster Bolts?

Since 2012, Monster Bolts has been the go-to supplier for professionals seeking high-performance, industrial-grade fasteners. We stand out by offering:

• Reliability: Every fastener meets ASTM standards for dependable quality.
• Competitive Bulk Pricing: Reduce overhead on large orders while maintaining top-tier reliability.
• Extensive Inventory & Fast Shipping: Minimize project downtime with our robust stock and rapid turnaround.
• Expert Support: Our knowledgeable staff is available to advise on product selection and technical inquiries.

Installation Tips

• Use a properly sized wrench or impact socket to avoid damaging the threads or bolt head.
• Clean and lubricate threads prior to assembly for accurate torque and a secure hold.
• Pair with Grade 8 nuts and washers for maximum clamping strength and overall joint integrity.

Note: Nuts and washers are sold separately.

Stock Up & Save

Equip your operation with 3/8"-24 Grade 8 Hex Cap Screws for reliability, durability, and cost-effectiveness. Order in bulk now and let Monster Bolts help streamline your supply chain with fast shipping, top-tier product quality, and exceptional customer service.

✔️ Trusted by professionals in automotive, industrial, and construction sectors

✔️ Zinc-yellow CR+6 coating ensures optimal corrosion protection

✔️ Complies with ASTM B18.2.1 standards for proven reliability