4-piece nonferrous carbide rotary burr set for peneumatic acccessories and die grinder burr High grade tungsten carbide burr, 1/4 Inch shank aluminum single Cut Aluminum die grinder bits are also for use on non-ferrous and non-metallic materials: Plastic, Zinc. It is designed for rapid stock removal with minimum chip loading High quality manufacturing method delivers vibratin free operation 1/4 inch shank for rotory, 4 pcs per pack, SA-3NF, SC-3NF, SD-3NF, SF-3NF
