Bulk 7/16"-20 Grade 8 Hex Cap Screws (Zinc Yellow CR+6 Bake, UNF)

Heavy-Duty Fasteners for Automotive & Industrial Needs

Elevate the reliability of your assemblies with our 7/16"-20 Grade 8 Hex Cap Screws, featuring a zinc-yellow CR+6 bake for superior corrosion resistance. Engineered with fine-thread (UNF) technology, these screws provide strong clamping power and greater vibration resistance—perfect for automotive, machinery, and high-stress industrial applications.

Note – PT = Partial Thread

Key Features

• Diameter: 7/16 inch
• Thread Size: 7/16"-20 – UNF (Fine) Thread
• Length Options: Various lengths to accommodate diverse project needs
• Thread Length: May be fully or partially threaded depending on total screw length
• Wrench Size (Across Flats): 5/8 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: 7/16"-20 Nuts & Washers Available Here

Bulk Ordering Advantages

Purchasing these Grade 8 hex cap screws in bulk helps you reduce per-piece cost while ensuring a continuous supply of reliable fasteners for large-scale or high-volume operations. This is particularly advantageous for automotive repair facilities, industrial manufacturers, and construction teams demanding top-tier hardware.

Material Properties

• Grade 8 Strength: Designed to withstand elevated torque and load requirements.
• Corrosion Protection: Zinc-yellow CR+6 coating combats rust and environmental wear.
• Fine Thread Precision: UNF threading provides enhanced clamping force and vibration resistance.

Ideal Applications

• Automotive Engine & Chassis Assembly
• Industrial Machinery & Equipment
• Construction & Structural Projects
• Agricultural & Off-Road Vehicles
• Maintenance, Repair & Overhaul (MRO)

Why Monster Bolts?

Since 2012, Monster Bolts has been a go-to source for professionals looking for industrial-grade fasteners. We pride ourselves on:

• Reliability: All screws meet ASTM standards for consistent quality.
• Competitive Bulk Pricing: Lower costs while securing top-tier components.
• Extensive Inventory & Quick Shipping: We maintain robust stock levels to minimize downtime.
• Expert Guidance: Our knowledgeable team is available to advise on product selection and application questions.

Installation Tips

• Use an appropriately sized wrench or impact socket to avoid head or thread damage.
• Clean and lubricate threads before assembly for accurate torque readings and a secure hold.
• Pair with Grade 8 nuts and washers to achieve maximum clamping power and reliability.

Note: Nuts and washers are sold separately.

Secure Your Bulk Supply

Don’t compromise on quality. Order 7/16"-20 Grade 8 Hex Cap Screws in bulk today and experience the perfect blend of durability, cost savings, and reliable service that define Monster Bolts.

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

✔️ Zinc-yellow CR+6 finish ensures superior corrosion resistance

✔️ Meets ASTM B18.2.1 standards for assured performance