IS 12635 : 2000 Water Well Drilling and Blast Hole Drilling - Rock Roller Bit with Non-sealed Ball and Roller Bearing Arrangement - Technical Supply Conditions

1 Scope

This standard covers the technical supply conditions of triconerock roller bits having milled steel teeth design and tungstencarbide insert design with non-sealed ball and roller bearingArrangement for water well drilling and blast hole drillingapplication. The technical supply conditions stipulated under thisstandard are general in nature and shall be backed by designspecifications of the individual manufacturers depending on theapplicability of the product.

2 Reference

IS 9439 : 1980  Glossary of terms used in water well drilling technology