
Hillman 5/16 in. Diameter x 2-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack
Regular price $44.995/16 in. x 2-1/2 in. Hex Head Cap Screw (100-Pack)
Durable Grade 5 hex head cap screws engineered from heat-treated zinc-coated steel for reliable fastening. Ideal for general construction and machinery applications requiring strong torque and corrosion resistance.
Key Features:
- Grade 5 Strength: Heat-treated steel provides dependable holding power for general-purpose fastening
- Corrosion-Resistant Finish: Zinc coating helps protect against rust in indoor and sheltered outdoor uses
- High-Torque Hex Head: Hex cap design with machine threads supports strong tightening with standard wrenches
- Partially Threaded Shank: Enhances shear strength and alignment when clamping materials
- Bulk Contractor Pack: 100-pack for efficient stocking and jobsite productivity
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 5/16 in. |
| Length | 2-1/2 in. |
| Head Type | Hex head cap screw |
| Thread | Machine thread; partially threaded shank |
| Material | Steel |
| Grade | Grade 5 |
| Finish/Coating | Zinc; heat-treated |
| Pack Quantity | 100 |
Frequently Asked Questions (FAQ):
Q: What size drill bit should I use for installation?
A: Pre-drill a hole that matches the 5/16 in. bolt diameter in the material for proper fit.
Q: Are these fully threaded?
A: No, they are partially threaded to improve shear strength and alignment.
Q: What grade are these bolts?
A: They are Grade 5 steel, suitable for most general-purpose applications.
Q: What tools are needed for installation?
A: Use a matching 6-point or 12-point wrench or socket to drive the hex head and a corresponding Grade 5 nut if needed.
Industrial Poise, Purposeful Polish
This hex cap screw brings a crisp, utilitarian elegance to exposed hardware moments—think open shelving, raw timber, and dark metal accents. The zinc finish adds a quiet sheen that balances rugged texture with refined intent. Style it with blackened brackets and oiled woods to create a sophisticated, workshop-chic narrative. It’s a small detail that reads as luxe when precision and proportion lead the way.
Choose this Grade 5, zinc-finished hex cap screw 100-pack for strong, corrosion-resistant fastening that keeps projects moving.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.