Pilots   .263" Top Carbide Pilots Part # Diameter   2361575C 1575" 4.00mm 236177C .177" 4.50mm 236197C .197" 5.00mm 236216C .216" 5.49mm 236217C .217" 5.52mm 236218C .218" 5.54mm 236237C .237" 6.02mm 236256C .256" 6.50mm