659 hard bur products are offered for sale by suppliers on Alibaba.com, of which nail drill accounts for 12%, dental drill & accessories accounts for 2%, and dental surgical instruments accounts for 1%.
A wide variety of hard bur options are available to you, such as steel, metal and plastic.You can also choose from electrical, manual and machinery hard bur,As well as from class i, class ii hard bur, and whether hard bur is iso, tuv, or sgs.