Strong-Point® 6-20 x 3/8 Unslotted Indented Hex Washer Head Self-Drilling Screw – Zinc Plated
The Strong-Point® 6-20 x 3/8 self-drilling screw is engineered for fast, reliable metal-to-metal fastening in light and medium gauge steel. Featuring an unslotted indented hex washer head, it provides excellent driving stability and secure seating. The zinc-plated finish ensures superior corrosion resistance, extending service life in demanding environments.
Designed with a self drill point, this screw eliminates the need for pre-drilling, reducing installation time and increasing efficiency. Manufactured to meet or exceed SAE J78 standards, Strong-Point® screws deliver consistent performance, strength, and reliability.
Technical Specifications
- Brand: Strong-Point®
- Screw Size: #6-20 x 3/8 in.
- Head Type: Unslotted Indented Hex Washer Head
- Drive Type: Hex (1/4 in. across flats)
- Finish: Zinc Plated for corrosion resistance
- Drill Point: Self-drilling, designed for steel up to 0.090 in. thickness
- Standards: SAE J78 compliant
- Applications: HVAC, sheet metal, light-gauge steel framing, construction, roofing, and general industrial fastening
Key Benefits
- Fast installation with self-drilling tip – no pre-drilling required
- Hex washer head provides strong tool engagement and secure fastening
- Indented design improves torque control and reduces cam-out
- Zinc-plated coating protects against rust and corrosion
- Proven Strong-Point® quality for dependable performance in every project