... available General specification of carbide blade for wood cutting one hole(Dia:4mm,2 cutting edge)7.5x12x1.5MM8.6x12x1. ... .5MM20x12x1.5MMtwo holes(Dia:4mm,C=14,2 cutting edge)30,0X12,0X1,5MMtwo holes(Dia:4mm,C=26 ... ,2 cutting edge)40,0X12,0X1,5MM50,0X12,0X1,5MM60,0X12,0X1 ... ,5MMone hole(Dia:4mm,4 cutting edge)12x12x1.5MMone hole,4 cutting edge14,0X14,0X2,0MM82 ...