●Production Specification
1.Bit Size:8 1/2''
2.IADC Code:637
3.API Pin Connection:4 1/2'' API Reg
●Operating Parameters
4.WOB(KN/mm):0.5-1.2
5.RPM(R/MIN):80-40
6.Applications:hard formation with high compressive strength,such as sandstone, limestone,dolomite,hard gypsum,marble,etc.
●Packing List
7.Packing size:27cm*24cm*40cm
8.Weight:45kg