Specifications:
Material: HSS
Diameter * Length:
0.8 * 22mm
1.0 * 28mm
1.5 * 38mm
1.8 * 41mm
2.0 * 43mm
2.5 * 52mm
3.0 * 60mm
3.5 * 64mm
4.0 * 71mm
Category: Straight shank twist drill bits

Features:
Twist working part diamond plating， sharper and more durable.
Good stability， corrosion resistance， abrasion.
For drilling， boring.

Maintenance:
When drilling steel， please ensure sufficient cooling capacity and the use of metal cutting fluid.
Please clear the wound on the drill body iron， in order to ensure smooth chip evacuation.

Package include:
10 pcs Straight shank twist drill bits