5/16-18 x 1 1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type 1 Fully Threaded Zinc:
- 5/16-18: Nominal diameter of 5/16 inch and threads per inch of 18
- 1 1/2: Length of the screw in inches
- Unslotted: No slot for a screwdriver or other tool
- Indented Hex: Hexagonal head with indentations for a wrench
- Washer: Washer-like head that provides a larger bearing surface
- Thread Cutting: Cuts threads into the material as it's driven in
- Type 1: Sharp point for easy penetration
- Fully Threaded: Threads extend the entire length of the screw
- Zinc: Zinc-plated for corrosion resistance
