Hillman
Hillman 9/16 in. Diameter x 1-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, 25-Pack
Hillman 9/16 in. Diameter x 1-1/2 in. Length Grade 8 Heat-Treated Steel Hex Head Cap Screws, 25-Pack
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Hillman Grade 8 Hex Head Cap Screws, 9/16 in. x 1-1/2 in., 25-Pack
Heavy-duty hex head cap screws crafted from heat-treated Grade 8 steel for high-strength fastening. Ideal for machinery, automotive, and structural applications requiring high torque and wear resistance.
Key Features:
- Grade 8 Strength: Heat-treated steel construction delivers superior tensile strength for demanding applications
- Reliable Seal: Washer face under head improves load distribution and seating
- High Torque Capability: Hex cap head with machine threads supports secure, wrench-driven tightening
- Corrosion-Resistant Finish: Yellow dichromate treatment enhances wear and corrosion resistance
- Bulk Value: 25 screws per box for jobsite or shop efficiency
Specifications Table:
| Specification | Details |
|---|---|
| Diameter | 9/16 inch |
| Length | 1-1/2 inch |
| Material | Steel |
| Grade | Grade 8 (USS) |
| Finish | Heat-treated, yellow dichromate |
| Head Style | Hex cap head with washer face |
| Thread Type | Coarse machine thread |
| Thread Coverage | Partially threaded shank |
| Pieces per Package | 25 |
| Packaging Type | Boxed |
| Intended Use | Use with a nut or in a tapped hole; tighten with wrench or drill |
Frequently Asked Questions (FAQ):
Q: Are these fully threaded?
A: No. They are partially threaded along the shank, per USS Grade 8 design.
Q: What thread type do they use?
A: Coarse machine threads.
Q: What tools are needed for installation?
A: Tighten using a wrench or a drill/driver with the appropriate hex socket.
Q: What is the finish?
A: Heat-treated, yellow dichromate finish for added strength and wear resistance.
Q: How many are included?
A: 25 pieces per retail package.
Industrial Strength, Clean Precision
These Grade 8 cap screws bring a quiet authority to any build—sleek, purposeful, and beautifully engineered. The hex head and washer face feel sculptural, creating a crisp junction between metal planes. Style them with matte-black hardware and oiled oak for a nuanced, workshop-chic narrative. A small detail with a luxe impact, they anchor your vision with unwavering strength.
Upgrade your fasteners to Grade 8 performance—add this 25-pack to your cart and build with confidence.
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