TCI rotary tricone rock bit.mining rock drill bit
7-7/8’’
200mm
Conical on gage, ogive on inner rows.
Designed for medium-hard and abrasive formations with high compressive strength such as limestone, sandstone, dolomite and chert.
Application: 29000-38000 Psi.
Hardmetal on lug, wear resistant carbide on shirttail lip and lug.
4-1/2’’ API
N.W.: 38kg.
WOB: 23630-47250 ibs
RPM: 100-60p/m