Mũi khoan ba nón răng thép phay 9-1/2 inch của Mũi khoan ba nón API

bit răng xay
July 11, 2025
Video Description:
Discover the 9-1/2 Inch Milled Tooth Tricone Bit, an API-certified drilling bit designed for middle to hard rock formations. Featuring tungsten carbide inserts and sealed bearings, this bit ensures durability and high performance. Learn about its specifications, bearing types, and optimal drilling parameters for your projects.