1.齒型齊全：有直齒與斜齒。2.規(guī)格完整：模數(shù)0.5~模數(shù)12。3.材料豐富：碳素鋼、合金鋼和不銹鋼。日規(guī)為S45C,SCM21,SCM440,SUS304；德規(guī)為C45E,16CrMo44,42CrMo4,X5CrNi1810。