STROTON Metric M42 8% Cobalt Drill Bits Set Titanium Nitride Coated for Stainless Steel and Hard Metal 1mm-10mm/19pcs
- Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life..
- 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic and Hardwood. The Sufficiently Sharp Bit Edge Can Cut the Metal....
- True Titanium Nitride Coated Increases the Bit Surface and Metal Lubrication,Conducive to Chip Removal,Reduce Heat Increase..
- This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill....
- 19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm....