Hillman Grade 8 Hex Head Cap Screws, 3/8" x 2-1/4", 50-Pack

Heavy-duty Grade 8 hex head cap screws engineered from heat-treated steel for maximum strength. Ideal for securing machinery and structural assemblies, these partially threaded bolts feature a washer face for a better seal and reliable clamping.

Key Features:

• Grade 8 Strength: Heat-treated steel delivers high tensile strength for demanding applications
• Washer Face Head: Built-in bearing surface improves sealing and load distribution
• Partially Threaded Shank: Enhanced shear strength and alignment in bolted joints
• Coarse Thread: Reliable engagement for faster installation with nuts or tapped holes
• Multipack Convenience: 50 boxed screws for shop, jobsite, or maintenance stock

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Are these fully threaded?
A: No. They are partially threaded along the shank to improve shear strength.

Q: What tools are needed for installation?
A: Tighten with a wrench or a drill/driver using the appropriate hex socket.

Q: Do these have a special finish?
A: Yes. They are heat-treated and noted with a yellow dichromate-style finish in some listings for added wear resistance.

Q: What thread type do they use?
A: Coarse thread suitable for use with matching nuts or tapped holes.

Q: Can these be used in structural or machinery applications?
A: Yes. Grade 8 heat-treated steel is appropriate for high-load mechanical assemblies when sized and torqued correctly.

Industrial Poise with Performance Precision

These hex cap screws bring a crisp, engineered silhouette to hardware moments, marrying strength with sleek utility. The faceted head and washer face create a refined, intentional detail in exposed fastener applications. Style them with blackened steel brackets or natural oak for a chic contrast. Essential, enduring, and unapologetically functional—hardware that elevates the build.

Stock your project with Grade 8 reliability—add this 50-pack of Hillman hex cap screws to your cart today.