Specification:
Features:
Material: 4241 high-speed steel (suitable for use in the workpiece, hardness of 25 degrees such as carbon steel, plate, insulation board, PVC board, wood, sheet thickness below 5MM)
Surface treatment: Ti
Shank: Triangle round handle
Step drill 10-45MM (8 steps: 10,15, 20, 25, 30, 35, 40, 45MM)
package included:
1pc x Step drill bit
Features:
1Made of ticoated highspeed steel, these hex shank step drill sets have high hardness. 2The ti step drill bit sets adopts groove design, help the electric drill clamp it more firmly, prevent sliding or falling off during rotation. 3Using highquality materials, strong and durable, has a long service life. 4Clears chips faster and allows particles to escape easily. 5It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.
Package List:
