Bulk 1-3/4"-5 Grade 8 Hex Cap Screws (Plain Finish, Coarse Alloy)

High-Strength Bolts for Heavy-Duty Industrial & Construction Tasks

Power through your toughest jobs with our 1-3/4"-5 Grade 8 Hex Cap Screws, featuring a plain (unplated) alloy finish. Engineered with coarse (UNC) threads for secure, vibration-resistant fastening, these bolts excel in environments where superior tensile strength is crucial. Perfect for high-load machinery, construction projects, and demanding industrial applications where additional corrosion coatings aren’t required.

Note – PT = Partial Thread

Key Features

• Diameter: 1-3/4 inch
• Thread Size: 5 (5 Threads Per Inch) – Coarse (UNC)
• Thread Length: May be fully or partially threaded depending on total screw length
• Wrench Size (Across Flats): Approximately 2-5/8 inch (standard hex head)
• Material: Grade 8 alloy steel
• Finish: Plain (unplated) — suitable where extra corrosion protection is not essential
• Type: Hex Cap Screw
• System of Measurement: Inch (Imperial / US)
• Specifications: Conforms to ASTM B18.2.1
• Matching Nuts & Washers: 1-3/4"-5 Nuts & Washers Available Here

Bulk Ordering Benefits

When you stock up on these Grade 8 hex cap screws, you benefit from significant per-piece cost savings and a reliable on-hand inventory for ongoing or large-scale operations. Ideal for contractors, industrial facilities, and OEMs who frequently rely on consistent, heavy-duty fasteners.

Material Properties

• High Load Capacity: Grade 8 alloy steel offers formidable tensile strength.
• Plain Finish: Unplated design saves cost where specialized coatings aren’t a priority.
• Coarse Thread Efficiency: 1-3/4"-5 threading provides a robust grip against vibration and stress.

Ideal Applications

• Heavy Machinery & Equipment Assembly
• Structural Steel & Construction Projects
• Automotive & Off-Road Vehicle Upfits
• Maintenance, Repair & Overhaul (MRO)
• Fabrication Shops & Industrial Manufacturing

Why Choose Monster Bolts?

Since 2012, Monster Bolts has proudly delivered durable, industrial-grade fasteners to customers worldwide. Here’s what sets us apart:

• Dependable Quality: Each bolt adheres to ASTM standards for consistent performance.
• Cost-Effective Bulk Pricing: Reduce project expenses with volume discounts.
• Extensive Inventory & Swift Shipping: Keep projects moving without delays or shortages.
• Expert Knowledge: Our experienced team is ready to assist with technical support and product selection.

Installation Tips

• Use the correct size wrench or impact socket to avoid thread or head damage.
• Clean and lubricate threads to ensure accurate torque specifications and a secure hold.
• Match with Grade 8 nuts and washers for maximum joint integrity and load distribution.

Note: Nuts and washers are sold separately.

Order in Bulk & Save

Don’t compromise on strength or reliability. Equip your operation with 1-3/4"-5 Grade 8 Hex Cap Screws in a plain alloy finish— the ideal choice for heavy-load applications. Benefit from bulk discounts, fast shipping, and unparalleled customer service from Monster Bolts.

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

✔️ Plain, unplated finish where additional rust protection is optional

✔️ Conforms to ASTM B18.2.1 for proven dependability