Specifications

1.Made from High speed steel containing 8% cobalt
2.HRC 67-69
3. Applicable cutting on railtrack like PT30,

Specification:

 

.Use high-speed RPM for best results and faster holemaking
.Ideal for drilling steel with rust or paint
.Will outlast High-speed Steel (HSS) cutters
.Leaves a burr-free finished hole
.Available in all sizes (fractional and metric)
.3/4" or 1-1/4" shank

.Size:

 

Pls. contact us freely for more information, I will reply you ASAP!
Hope you will enjoy a comfortable cooperation with us!