CMT SCREW #8X1.625" 1# *Brand Name: Grip-Rite *Callout Size: No. 8 wire *Length: 1-5/8 in. *Drive Style: Phillips *HeadType: Wafer Head *Thread Type: Coarse *Product Type: Cement Board Screws *Number in Package: 130 pk *Container Size: 1 lb *Color: Black *Indoor or Outdoor: Indoor and Outdoor *Self Drilling: Yes *Gauge: 20 Ga. *Finish: High Corrosion Resistant *Packaging Type: Boxed *Material: Steel *Self Tapping: Yes