Brand Name: HILLMAN *Callout Size: No. 1/4-20 *Length: 1 in. *Drive Style: Phillips *Head Type: Flat *Finish: Zinc-Plated *Material: Steel *Product Type: Machine Screws *Number in Package: 100 *Driver Bit Included: No *Tamper Resistant: No*Packaging Type: Boxed *Indoor or Outdoor: Indoor and Outdoor *Self Drilling: No *Self Tapping: No *Usage: Nuts *ThreadType: Coarse