TUNGSTEN CARBIDE STEEL ROTARY BUR SET: These carbide rotary burrs are made from premium Tungsten Carbide Steel, which is sharp, sturdy and durable. Overall length: 40-50mm, 1/4'' cutting diameter, 35mm shank length, 1/8'' shank diameter compatible with most rotary tools and die grinders. DOUBLE CUT DESIGN: The groove lines of the head of this carbide rotary cutter are crossed. It is used on wood, iron, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, as well as marble, jade, bone, etc Quickly ensuring cross grooves and chips during grinding and carving. HIGH WORKING EFFICIENCY: The processing efficiency is tens of times higher than manual file tool, and almost ten times higher than the small wheel with handle. As a general rule, the set of rotary cutters can replace the small grinding wheel with handle. Easy to cut, safe and durable. LONG LIFE: Packed in a plastic case for safe storage and protection. The useful life of these heavy duty rotary burrs is 10 times longer than high speed steel and 200 times longer than grinding wheel. The speed of rotary tools is usually 6000-50000 rpm, reducing inefficient bearing and extending overall service life. WIDE APPLICATION: 10 Pieces Solid Carbide Rotary Cutter Set at Double Edge compatible with most small rotary tools. Great choice for DIY, crafts, hobbies, home repairs, jewelry, lapidary use, sculpting, and much more. Set of 10 Tungsten Carbide Cutters - Drill Bits for Wood Carving, Grinding Head for Wood, Plastic, Ceramics and Jade Pottery, Stone Carving, Metal and Steel Work. Accessories for rotary tools, suitable for Drilling, Metal Carving, Engraving, Polishing. Carbide burr set made from a tungsten carbide steel heat treated for a lifetime of extended life, which is extremely hard, tough, durable and resilient. HRA 85 Machining hardness reaching HRC70. For most jobs, the rotary cutter kit can effectively replace the Petiole small wheel. Carbide rotary cutter set can process a variety of high-precision mold cavities as well as non-metals . Enjoy our Rotary Rasp File Set Woodworking Drill Bits, High Quality Wood Carving Rotary Bits. Carbide Rotary Burr Set comes with 1/8 inch shank and works with all portable rotary tools. Micro drill bits for metal, woodworking, glass etc. Our carbide burrs sets are specially designed to cut efficiently, they work with most small rotary tools. Woodworking Drill Bits, Rotary Files, High Speed Mini Round Burrs, Cutting, Drilling, Carving, Polishing Tool for Fast and Efficient Work. Multi-Purpose Carbide Burr Set: This set includes everything you need for drilling, engraving, grinding, polishing and removing sharp edges, suitable for stone and wood carving, metal working and die grinders. The kit includes a wide selection of shapes for all types of cuts. Tungsten Carbide Burr Made of the finest quality tungsten carbide steel, sturdy and durable. Design double-cut Sharper and More efficient Chuck size: 3mm (1/8 inch) Applicable for Any rotary tool, woodworking grinder, die grinder or straight grinder with 1/8" chuck. Bit size (grinding head): 6mm (1/4 inch) Pack of 10 Rotary bits, Carving bit set, meeting your various needs.Cutter heads in different shapes and sizes to provide flexibility for fine and precise work such as engraving. Ideal for wood carving , plastic, jade, ceramics & pottery, glass, stone, metal working and die grinders. 10 Pack Carving, Engraving, Carving Bits in tungsten carbide packed in a transparent and durable case, easy to carry and store. Set of carbide burrs, Rotary files diamond burrs, suitable for versatile and precision work, suitable for multiple uses such as metal working, sinking, surface cleaning, tool making, wood carving, jewelry making, deburring, sanding, grinding, porting cylinder heads, shaping, trimming, carving and chamfering edges in wood, metal and stone.&nbsp ;