Bulk 7/8"-9 Grade 8 Hex Cap Screws (Zinc Yellow CR+6 Bake, UNC)

Heavy-Duty Fasteners for Industrial & Manufacturing Applications

Boost the reliability and strength of your assemblies with our 7/8"-9 Grade 8 Hex Cap Screws coated in zinc-yellow CR+6 bake. Designed with coarse (UNC) threads, these screws provide secure gripping power in high-stress settings, making them ideal for construction, maintenance, and large-scale industrial projects.

Note – PT = Partial Thread

Key Features

• Diameter: 7/8 inch
• Thread Size: 7/8"-9 – UNC (Coarse) Thread
• Length Options: Offered in multiple lengths to fit various project needs
• Thread Length: May be fully or partially threaded depending on overall screw length
• Wrench Size (Across Flats): 1-5/16 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: 7/8"-9 Nuts & Washers Available Here

Bulk Ordering Advantages

Buying in bulk drives down per-piece costs and secures a consistent supply of these heavy-duty fasteners. This option is especially beneficial for industrial contractors, OEMs, and commercial enterprises that demand reliable hardware on tight timelines.

Material Properties

• Grade 8 Strength: Withstands high torque, vibration, and load demands.
• Corrosion Resistance: Zinc-yellow finish with CR+6 bake fights rust and environmental wear.
• Long-Term Durability: Coarse UNC threads provide a secure hold in robust assemblies.

Ideal Applications

• Industrial & Manufacturing Projects
• Heavy Machinery and Construction Equipment
• Automotive & Agricultural Repairs
• Maintenance and Overhaul Operations
• Structural Fabrication & Assembly

Why Monster Bolts?

Since 2012, Monster Bolts has been a leading supplier to industrial and manufacturing clients, offering:

• Reliability: Strict adherence to ASTM standards for consistent quality.
• Competitive Bulk Pricing: Lower your total costs without sacrificing performance.
• Extensive Stock & Fast Shipping: Quickly receive the parts you need, reducing downtime.
• Expert Support: Our knowledgeable team can help with technical queries and part selection.

Installation Tips

• Use the correct wrench or impact socket to prevent head or thread damage.
• Keep threads clean and lubricated for optimal torque settings and a secure hold.
• Pair with Grade 8 nuts and washers for maximum clamping force and stability.

Note: Nuts and washers are sold separately.

Secure Your Bulk Supply Today

Optimize your operations with 7/8"-9 Grade 8 Hex Cap Screws designed for heavy loads and stringent industrial demands. Order in bulk to save on costs and enjoy Monster Bolts’ commitment to quality, speedy shipping, and outstanding customer support.

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

✔️ Zinc-yellow CR+6 plating for enhanced corrosion protection

✔️ Meets ASTM B18.2.1 standards for proven reliability