Anisotropic carbon fibres has similar properties and texture of wood fibres. Therefore the Solid Carbide Brad Point Drill has a distinctive W point of the Auger drill bits designed for drilling wood. The attached drill diameters can be selected from the attached table. The recommended pistol drill is the SOUTH HOUSTON SHD-3856-NX with 3/8" capacity concentric keyless drill chuck and a speed teasing trigger to steplessly increase RPM from slow to full speed. Check out the SHD-3856-NX from PNEUMATIC/ AIR DRILL category. Learn More