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用此钻头在钢和铸铁件上钻孔,一次加工精度可保证在0.04毫米以内,光洁度达▽6～▽7以上,可代替铰孔,提高生产效率。一、钻头特点(见图1,图2)
Use this bit to drill holes in steel and cast iron. The machining accuracy can be guaranteed within 0.04mm and the finish of ▽ 6 ~ ▽ 7 can be used instead of reaming to improve the production efficiency. First, the drill features (see Figure 1, Figure 2)