No competitor can match us for quick response to an urgent need.
Our products currently represented in this website range in sizes from 2-3/8” through 7-5/8” in tungsten carbide insert type bits. 
Our line of products includes both open bearing bits and sealed bearing bits. 
Most models are available in designs for either regular circulation or jet circulation with replaceable nozzles. 
All Throop open bearing models are also available for use with either air or fluid circulation.