•Model: 4241 material hexagonal shank step drill 4-12, 4241 material hexagonal shank step drill 4-20, 4241 material hexagonal shank step drill 4-32
•Material: high speed steel
•Blade length: 4.32
•Shank Diameter: 6.35
•Blade diameter: 4-32
Name: Hexagon Shank Step Drill
Cutting material: thin iron plate, aluminum material, insulating board, PVC board wood thickness within 5mm. A single drill can make holes of various sizes.
Material: high-speed steel 4241 (suitable for workpieces with hardness below 25, such as carbon steel)