7 PCS HSS High Speed Steel Step Drill Bit Set Taper Drill Bit Extender
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This 7-piece step drill bit set features 5 different sizes ranging from 4-12mm to 4-32mm, with laser-etched dimensions for accurate drilling. Made from 4241 high speed steel with a titanium coating, it easily cuts through steel, aluminum, copper, plastic, and wood plates up to 5mm thick. The automatic centering seal and X-shaped double groove design ensure smooth, precise cuts, while the triangular shank prevents chuck slipping.
add_circle The Upside
- check Versatile for multiple materials including metal, plastic, and wood
- check Laser-etched markings for precise depth control
- check Includes a taper drill bit extender for extended reach
remove_circle The Downside
- close Brand not specified, may vary in quality
- close Titanium coating may wear over time with heavy use
- close Limited to 1-5mm material thickness for steel plates
Specifications & features
Key features
- check_circle 5 step drill sizes: 4-12mm, 3-13mm, 4-20mm, 5-35mm, 4-32mm
- check_circle 4241 high speed steel with titanium coating
- check_circle Automatic centering spring seal for directional drilling
- check_circle X-shaped drill bit and double groove design for smooth cutting
- check_circle Triangular shank prevents chuck slipping
Specifications
Coating
Titanium
Drill Sizes
4-12mm, 3-13mm, 4-20mm, 5-35mm, 4-32mm
Material
4241 High Speed Steel
Number of pieces
7
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