Brand Name: Hillman *Callout Size: No. 1/4-20 *Thread Type: Coarse *Head Type: Flat *Product Type: Machine Screws *Number in Package: 100 *Driver Bit Included: No *Drive Style: Phillips *Tamper Resistant: No *Finish: Zinc *Length: 1/2 in. *Self Tapping: No *Indoor and Outdoor: Indoor and Outdoor *Material: Steel *Drive Type: Phillips *Self Drilling: No *Packaging Type: Boxed *Unit of Measurement: SAE *Fits For: Nuts