Irwin Impact Concrete Screw Installation Bits 5/32-in x 5-in, 3-1/4 In L Flute Size:5/32" x 5" and 3/16 In

and 3/16 In

Kills and repels for up to 4 weeks

Fits Most Straight and Curved Shaft String Trimmers

5 Year Limited Warranty

Lays flat - no memory

Irwin Impact Concrete Screw Installation Bits 5/32-in x 5-in, 3-1/4 In L Flute Size:5/32" x 5" and 3/16 InBuilt in hex collar for Tapcon* screws or other concrete screws, serves as a stop feature for drilling the perfect hole depth Drill drive installation sleeve slides over bit and engages with hex collar to quickly drive hex or Phillips** head fasteners One piece construction withstands higher torque loads than standard quick change bits 1 4" quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks