1-BIT THREADS
Precision cut industry standard bit threads.
2-BIT STEEL BODY
Made of high-quality steel and machined in small batches to maintain manufacturing standards
3-BIT CORE LIFTER CASE SEAT
Supports core lifter case when breaking core
4-BIT TUNGSTEN CARBIDE AND TSD PINS
Protect the integrity of the crown
5-BIT WATERWAYS
Controls fluid flow around the cutting edge of the bit
6-BIT PROFILE
Optimum design allows for quick start up of a new bit
7-BIT CROWN
Available in an extremely wide variety of formulations,
the crown is the cutting edge of the bit
Size | Outside Set Diameter | Inside Set Diameter | ||
mm | inch | mm | inch | |
TW Series Surface Set Bit | ||||
BTW | 59.50 | 2.34 | 42.00 | 1.65 |
NTW | 75.30 | 2.97 | 56.00 | 2.21 |
HTW | 95.60 | 3.76 | 71.00 | 2.80 |