Bulk 1-1/4"-7 Grade 8 Hex Cap Screws (Zinc Yellow CR+6 Bake, UNC)

Heavy-Duty Fasteners for Industrial & Manufacturing Applications

For large-scale projects requiring top-tier performance, choose our 1-1/4"-7 Grade 8 Hex Cap Screws with zinc-yellow CR+6 bake. Designed for high-load, high-torque environments, these coarse-threaded UNC screws ensure a secure hold in heavy machinery, structural builds, and more.

Note – PT = Partial Thread

Key Features

• Diameter: 1-1/4 inch
• Thread Size: 1-1/4"-7 (7 Threads Per Inch) – UNC (Coarse) Thread
• Length Options: Offered in various lengths to fit your specific needs
• Thread Length: May be fully or partially threaded depending on total screw length
• Wrench Size (Across Flats): Approximately 1-7/8 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: 1-1/4"-7 Nuts & Washers Available Here

Bulk Ordering Benefits

When you buy in bulk, you reduce per-piece costs and secure a consistent supply of these heavy-duty fasteners for ongoing or large-scale projects. This is an ideal option for industrial manufacturers, construction teams, and other commercial operations aiming to save on overhead while maintaining quality.

Material Properties

• High Strength: Built from Grade 8 alloy steel to handle extreme loads and torque.
• Corrosion Resistance: Zinc-yellow coating with CR+6 bake stands up to harsh conditions.
• Long-Lasting Durability: Engineered to resist wear, vibration, and environmental factors.

Ideal Applications

• Heavy Machinery and Equipment
• Structural Steel and Construction
• Industrial Manufacturing and Assembly
• Agricultural and Off-Road Vehicles
• Any High-Load, High-Torque Projects

Why Monster Bolts?

Since 2012, Monster Bolts has earned the trust of industrial and manufacturing clients worldwide. We focus on:

• Reliability: Every fastener adheres to ASTM standards for consistent performance.
• Competitive Pricing: Take advantage of bulk rates to cut costs on large projects.
• Wide Inventory & Fast Shipping: We keep a robust stock so you can get the parts you need quickly.
• Dedicated Expertise: Our knowledgeable team is here to assist with product selection and technical questions.

Installation Tips

• Use the correct size wrench or impact tool to avoid head or thread damage.
• Lubricate and clean threads prior to installation for accurate torque readings.
• Pair with Grade 8 nuts and washers for maximum joint integrity.

Note: Matching nuts and washers are sold separately to complete your fastening solution.

Order in Bulk & Save Today

Don’t compromise on strength or quality. Equip your projects with 1-1/4"-7 Grade 8 Hex Cap Screws that stand up to heavy loads and demanding conditions. Order in bulk to save on costs, maintain productivity, and keep your supply chain efficient. Trust Monster Bolts for industry-leading quality, quick shipping, and expert customer support.

✔️ Backed by a reputation for excellence since 2012

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

✔️ Meets ASTM B18.2.1 standards for quality assurance