6 Bottom Cleaning Drill Bits with 8mm Shank, Size: 8x18; 8*20; 8*22;8*25; 8*30; 8*32.<br><br>Solid hardened steel body with anti-kickback design, build-up and heat resistant Teflon coating<br><br>C3 micro-grain tungsten carbide burrs , double edge cutting design, excellent concentricity<br><br>Ideal woodworking tool for cutting all composition materials, plywoods, hardwoods and softwoods<br><br>Contents of package: 6 bottom cleaning bits.<br><br>Product <br><br>Features:<br><br>C3 Micro-Grain Tungsten Carbide Burrs. Strong hardened steel body with anti-kickback design.<br><br>Teflon coating resists buildup and heat.<br><br>Alloy blade with high quality welding , stable quality high efficiency.<br><br>Cemented carbide built, great replacement for your old one.<br><br>Specification:<br><br>Material: cemented carbide Yellow color<br><br>Stem diameter: 8 mm<br><br>Package including:<br><br>6 *cleaning lower router bits<br><br>Note:<br><br>When trepanning, please wear good protective measures, in case of splashing wood chips will damage your eyes. <br><br>Size for manual measurement, there may be 0-5mm error, belongs to the normal phenomenon.