限位环

限位环加紧在钻头上，使钻出正确深度的孔。
Metric Inch

order No. order No. Dia
49800006 49801006 6.0mm 1/4”
49800008 49801008 8.0 5/16
49800010 49801010 10.0 3/8
49800012 49801012 12.0 1/2