Japan the UNIKA rail drill carbide series supporting rail drilling machine, drill welded high-strength carbide blade, drilling long life, the blade should not wear, the drill should not be breaking, etc., and wear can also be grinding several times a moderate price, number of railway maintenance and repair of unit ideal substitute for imported products! company's products are all imported from Japan, quality assurance, welcome to contact and ask, we will be dedicated to serve you! rail high speed steel drill bits are divided into series and carbide series, supporting the use and rail drilling machine, railway maintenance and repair of essential drilling tool, which features a number of cutting edge, good wear resistance, 
 High precision drilling, drilling improved several times more efficient than ordinary twist drill. A drill bit at one time on the rail of the hardest materials drilling 40-50 holes, and drill bit wear, continuous grinding a dozen times; another carbide rail drill, drill welding of high strength cemented carbide inserts made, long drilling life, the blade should not wear, the drill should not fracture, etc., and can also be worn grinding several times, affordable, and the number of railway maintenance and repair of unit ideal substitute for imports All the products are imported from Japan , quality assurance, welcome to contact and ask, we will be dedicated to serve you!