Set of 3 Step Drill Bits, Stainless Steel, 4-12/20/32mm, Titanium Conical Triangle, with Hex Shank, for Drilling and Screwdriver Drilling on Steel, Brass, Wood, and Plastic

Product Description:

Unique Stepped Design. This stepped drill bit can be used to open holes of various sizes, equivalent to a drill bit set. These bits are designed to accurately drill holes of different sizes, from 4 mm to 32 mm in diameter, with optimal speed and precision. Easily identify the size you need thanks to the contrasting, laser-engraved sizes inside the flute of the bit. HSS and Titanium Coating. Our stepped drill bits are made of super-strong HSS steel and coated with titanium for even greater durability. High-speed steel tools are suitable for most general applications, offering a combination of hardness and toughness for wear resistance. The drill's durability is proven through multiple drillings on surfaces such as plastic, aluminum, copper, stainless steel, wood, etc. Stable operation without pre-drilling.

Hex Shank

Design: The 1/4" quick-change hex shank fits securely into power tool chucks and eliminates slippage. It's an excellent universal fit that will give you confidence while you work, knowing your drill bit is firmly in place. Increased Cutting Speed: The double-flute design allows for faster and smoother drilling. With low pressure, the sets can cut wood, sheet metal, steel, and other surfaces. Nylon Bag: Packed in a nylon bag for good protection. NOTE: When using these drill bits, the material temperature will be very high. Please add water or coolant to prevent fumes. Suitable for workpieces with a hardness of 25° or less and a thickness of less than 5mm for wood, plastic, and thin metal. The recommended speed for step drills is 250-400 RPM. Always wear safety glasses when You work with tools. Length: 5 Drill Bit Milling Cutter: 4-12mm Length: Approx. 6.7cm/ 2.64" 9 Drill Bit Milling Cutter: 4-20mm

Length: Approx. 7.4cm/ 2.91" 15 Drill Bit Milling Cutter: 4-32mm Length: Approx. 10.2cm/ 4.02" The 3 - between the following

dimensions: Size 1: 4-12mm (4mm, 6mm, 8mm, 10mm, 2mm);

Size 2: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 14mm, 16mm, 18mm, 20mm);

Size 3: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm).