Grade 8 Hex Head Cap Screws, 5/16 × 2-1/2 in, 100-Pack
100 per packHeat-treated yellow dichromate
$59.99 /pack
$0.60 per piece · 100 per pack
Orders start at $399. Combine any items to reach it.
Sold by the pack of 100. We round up and set the quantity for you.
- 1 pack · 100 pieces
- $59.99
- Standard delivery
- $49.99 per order
- Sales tax
- Added at checkout
All orders are subject to approval.
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Standard delivery$49.99
Per order, added in your cart. We deliver to the 48 contiguous states.
Availability confirmed by the desk at approval, with your delivery date. Shipping policy · Returns
Goes with
Hillman · Fasteners
Details & specifications.
From the maker · Hillman’s description
Heavy-duty Grade 8 hex head cap screws engineered from heat-treated steel for high-strength fastening. Coarse-thread design with washer face under the head ensures secure seating and reliable performance in demanding applications.
Industrial Strength with Sleek Utility
These Grade 8 hex cap screws bring a refined, utilitarian edge to any build, marrying strength with clean geometry. The washer-faced hex head offers a crisp silhouette while ensuring a flawless seat. Style them in exposed hardware applications for a subtle punch of industrial chic, or keep them concealed for uncompromising performance. A staple of luxurious, precision-crafted spaces.
Upgrade your fasteners to Grade 8 performance—add this 100-pack to your project and secure a stronger, longer-lasting build.
- SKU
- 220086
- UPC
- 008236081558
- Length
- 2-1/2 inch
- Per pack
- 100 per pack
- Finish
- Heat-treated yellow dichromate
- Head
- Hex head with washer face
- Material
- Steel
- Diameter
- 5/16 inch
- Brand
- Hillman
- Grade
- 8 (USS Grade 8)
- Thread Type
- Coarse (USS)
- Threading
- Partially threaded
- Number in Package
- 100
- Packaging Type
- Boxed
- Full product name
- Hillman 5/16 in. Diameter x 2-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, Coarse Thread, 100-Pack
Key features
- Grade 8 Strength: Heat-treated steel delivers superior tensile strength for heavy-duty projects
- Coarse Thread: Provides fast, secure engagement in tapped holes or with hex nuts
- Washer Face Head: Built-in washer face under the hex head improves sealing and load distribution
- Partially Threaded Shank: Ideal for alignment and shear strength in bolted joints
- 100-Pack Convenience: Boxed quantity for jobsite efficiency and bulk stocking
Specifications are provided by the manufacturer. Brand names are trademarks of their owners.
Guide
Choosing the fastener
- 1
Outdoors and treated lumber
Use hot-dip galvanized, stainless or exterior-coated fasteners, and follow the board maker’s fastener recommendation.
- 2
Price per piece
The pack price divided by the pieces in the pack, both as listed.
- 3
Drive
Star (Torx), square, Phillips or hex, as the listing states. Match the bit you carry.
No. They are Grade 8 cap screws that are partially threaded along the shank.