Set of 3 Step Drill Bits. Stainless Steel. 4-12/20/32mm. Titanium Conical Triangle. With Hexagonal Shank. For Drilling and Screwdriver Use on Steel, Brass, Wood, and Plastic

Product Description: Unique Stepped Design This step drill bit can be used to open holes of various sizes. This is the equivalent of a drill bit set, 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 sizes, laser-engraved inside the flute of the bit.

HSS and Titanium Coating Our step 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. - This also demonstrates the drill's ability and durability through multiple drillings on surfaces such as: plastic, aluminum, copper, stainless steel, wood, etc. - Stable.

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 securely in place.

Increased Cutting Speed The dual-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, providing good protection.

Specifications

Material: High-Speed Steel (HSS) Finish: Titanium Pattern: Stepped Drills Head Type: Hex & Cylindrical Number of Items: 3PCS Usage: Apply in gun-drilling, bench Drill 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 drill bits is 250-400 RPM/min. Always wear safety glasses when working with tools. Length: 5 Drill Bit: 4-12mm Length: Approx. 6.7cm/2.64" 9 Drill Bit: 4-20mm Length: Approx. 7.4cm/ 2.91" 15 Countersink Drill Bit: 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);

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

Product Contents: 1*Set of 3 Step Drill Bits with 1*Storage Bag