The ultimate boring/pilot bit! These HSS panel pilot bits are long lasting and perfect for mobile/motor homes, Modular homes, caravans, Star wagons, trailers, coaches, RV Industries and shed manufacturers. The 'down-cut' Design ejects the chips away from the operator. Perfect for: drywall, Wallboard, vinyl coated panels, aluminum and plywood sandwich panels., #HSS11001, diameter (D): 3/8, cutting Height (B): 3/4, shank (D): 3/8, overall length (L): 3-1/8, type: spiral, flutes: 1, HSS11001 HSS panel pilot 3/8 dia x 3/4 Spiral x 3/8 shank spiral