If it's not variable you could run it from a socket with a light dimmer type controller (of the correct rating for the power 500w? And Syndent actively participated in the formulation of Chinese standards for the carbide rotary burr industry.

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Carbide burs (burrs) are tools that are used for precision in cutting, grinding, and shaping the material with which they are being worked. Variety of Shapes: Our carbide burrs come in a wide range of shapes – cylindrical, ball, oval, tree, and more – to suit your specific needs. They are basic necessities for metalworkers, welders, smash repairers, tool makers, plumbers, and mechanics, as well as woodworkers, carpenters, joiners and construction workers. It is additionally highly resistant to deformation, holds its own against high heat, has exceptional impact and abrasion resistance and is second only to diamonds as the hardest material there is. The exception to this is when working in a pillar drill type of application or counter-sinking when working at 3,000 rpm or even lower will be effective.

The dremel stones are next to useless (disappear in a cloud of dust as soon as you put any pressure on them, I think they're only useful for making jewellery), but the tungsten burrs whip away metal in a controllable but rapid fashion. Konetool supplies a complete range of 1/4” or 6 mm shank burr bits, which are offered in both imperial and metric sizes.Due to enhanced silver weld, Syndent die grinder bits have more strength than most aluminum die grinder bits around.

Diamond Cut Burrs = This is a finer tooth head which has a knurled appearance on the surface which creates a large number of smaller cutting faces. The burrs can remove more material in a single go, won’t break, crack or deform and with low wear will last much longer.Syndent uses grade materials to make high-density and hard-to-break die grinder bits for hard steel. The ends slide easily onto Dremel rotary tools and are compatible with other brands as well, for quick installation and ease of use.

Standard design: Syndent manufactures standard die grinder bits for hard steel but can process customized ones. This will range from commonly-used metals such as stainless steel, iron, aluminium and copper, precious metals like gold and silver, and a wide range of plastics, to harder materials like ceramics, tiles, gemstones and masonry. We are one of the earliest factories in China to use CNC processing die grinder bits for hardened steel. The sharp flutes act like extremely sharp blades that can slice materials faster, grind, shape, etc.Carbide burrs are widely used for metalworking, tool making, engineering, model engineering, wood carving, jewelry making, welding, chamferring, casting, deburring, grinding, cylinder head porting and sculpting. Since Syndent automates die grinder bits for aluminum, you need to choose a suitable automated tool.