Discover the robust Grade 8 Hex Cap Screws built to tackle heavy‑duty projects. Each fastener measures 3/8‑16 × 1‑1/4 in. and is forged from heat‑treated steel, delivering exceptional strength and durability. The coarse‑thread design ensures rapid installation and reliable holding power in a variety of substrates.
Why choose these industrial fasteners? Their superior tensile capacity reduces the risk of stripping or breakage, while the hex head provides a secure grip for torque tools. Ideal for automotive, machinery, and construction tasks, they help you finish jobs faster and with confidence.
Key Features & Benefits:
- Heat‑treated steel construction: Maximizes hardness and resistance to wear for long‑lasting performance.
- Grade 8 rating: Meets stringent industry standards for high‑strength applications.
- Coarse‑thread profile: Accelerates driving speed and improves thread engagement in soft or hard materials.
- Hex head design: Offers easy torque transfer with standard wrenches or sockets.
- Generous 100‑piece quantity: Provides ample supply for batch projects, reducing the need for frequent reorders.
Elevate your fastening solutions today: These hex cap screws combine premium materials, precision engineering, and a bulk pack size that keeps your workshop stocked. Trust the durability of heat‑treated, Grade 8 fasteners to secure every connection, whether you’re assembling machinery, building frames, or repairing components.








