The clear diameter marking allows you to see it at a glance. Wide range of applications allows it to be used in a variety of workplaces.
Characteristics of straight flute chip removal make chip removal faster and it can effectively prevent chip splashing. Exquisite and professional workmanship makes it very wear-resistant and non-slip.
Made of high speed steel material, it is very durable to use.
There are three specifications for you to choose from: 3-12mm, 4-12mm, 4-20mm.
It is suitable for wood, aluminum parts, copper parts, plastic, DIY and so on.
Item Name: Step Drill Bit
Material: High Speed Steel
Color: Golden Color
Shank Type: Hexagonal Handle
Features: Easy to Install, Sharp, Non-slip
3-12mm: Length: 8.1cm/3.19", Diameter: 1.2cm/0.47" (Approx.)
4-12mm: Length: 6.9cm/2.72", Diameter: 1.2cm/0.47" (Approx.)
4-20mm: Length: 7.1cm/2.8", Diameter: 2cm/0.79" (Approx.)
Shank Diameter: 0.635cm/0.25" (Approx.)
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.
3 x Step Drill Bits (3-12mm, 4-12mm, 4-20mm)