Feature

●[HSS Construction]: High-speed steel extends the life of the product
●Hex Shank: The hexagonal shank design prevents the drill chuck from slipping
●[TITANIUM COATING]: This step drill bit is coated with titanium which is heat resistant, corrosion resistant, and rust resistant
●[2 Straight Flutes]: Double cutting blade and X-type opening design allows for fast and smooth cutting
●[What You Get]: Includes 3 standard size drill bits: 3-12mm, 4-12mm, 4-20mm. Ideal for drilling holes in iron, metal, aluminum, copper, wood, plastic, PVC boards and many other types of sheets


Description

Product Details:
Features:
High speed steel for long life
Used for electric drills and drill press.
Double cutting blade design allows for faster and smoother cutting
The hex shank prevents electric drill from slipping, and pushes the chuck.
X-shaped opening design for easy removal of shavings during drilling.
The sharpness and titanium coating ensure easy cutting of most metals, aluminum, plastic, wood and other materials.
Specifications:
Product Name: Step Drill Bit
Color: Golden
Weight: 85g
Surface treatment: titanium coating.
Material: High Speed Steel
Shank diameter: 0.2 inches (6 mm)
3-12mm:
Step Quantity: 10
Total length: 80mm es
Cutting diameter: 0.1 inch (3.0 mm), 0.2 inch (5 mm), 0.2 inch (6 mm), 0.3 inch (7 mm), 0.3 inch (8 mm), 0.4 inch (10
4-12mm:
Step Quantity: 5
Total length: 2.8 inches (70 mm)
Cutting Diameter: 0.16 inch (4 mm), 0.23 inch (6 mm), 0.39 inch (8
4-20mm:
Step Quantity: 9
Total length: 2.8 inches (72 mm)
Cutting Diameter: 0.16 inch (4 mm), 0.31 inch (8 mm), 0.47 inch (10 mm), 0.57 inch (12 mm), 0.63 inch (16 mm),
Package Content:
3 x Step Drill Bits
Maintenance Tips:
1. Not compatible with hammer drill.
2.Suggest to apply a little oil before each use.
3. Drill small holes for smoothness.
4. Do not set the drill speed too fast to avoid damage to the blade.
5. Metal plates that you want to drill holes should not exceed 0.4 inch (10 mm) thick.
6. Check the concentration of the spindle and spring chuck and the tightening force of the spring chuck. The drill bit may be damaged and the drill hole will be too large.