Finish: Galvanized *Grade: *Head Type: Square *Length: 2-1/2 *Material: Steel *Number in Package: 800 *Packaging Type: Bucket *Product Type: Deck Screws *Brand Name: Senco *Self Drilling: Yes *Self Tapping: Yes *Sub Brand: DuraSpin *Thread Type: Coarse *Callout Size: No. 8 *Container Size: *Drive Style: Square *Driver Bit Included: *Color: *Indoor or Outdoor: Outdoor