Description Phillips Modified Truss Head Self-Drilling Screw #8 X 1/2'', 410 stainless steel For use in Sheet Metal Steel, Attaches Wire Lath to Metal Studs or Metal to Metal or Aluminum Packaged box of 300 pcs. #8 x 1/2'' Screw #8x5/8 #8x3/4 PRODUCT FEATURES: Extra-Wide Rounded Truss Head distributes holding pressure to reduce the risk of crushing thin metal. Use these screws to secure metal wire to steel framing. Save Time and Effort by drilling their own holes and fastening in a single operation. SCREW DIMENSIONS: Diameter: #8 (0.164'') Length:  1/2'' Head Height:    0.095'' Flange Diameter: 0.40'' Drill Tip Length:   3/16'' HIGH QUALITY - 100% Satisfaction Guaranteed