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

This drill bit is the new HSS Steel Large Step Cone Drill Bit Set Cutter Titanium Hole, which is made from high-quality HSS steel and titanium coated to reduce friction and heat. It is very suitable for drilling holes in a variety of materials, including steel, brass, wood, plastic, etc. Made from M42 high-speed steel with a titanium coating to reduce friction and heat. No pilot holes or pre-drilling required. Automatically deburrs holes as you drill. Best for thin metals, steel, aluminum, copper, brass, fiberglass, PVC, etc. Product Description: Unique Step Design. This drill bit can be used to open holes of different sizes, i.e., the equivalent of 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 accuracy. Easily identify the size you need thanks to the contrasting, laser-engraved sizes inside the flute of the drill bit. HSS and Titanium Coated: 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. They also demonstrate the drill's ability and durability through multiple drillings on surfaces such as plastic, aluminum, copper, stainless steel, wood, etc. Stable, operating without pre-working. 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/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 Drill Bit: 4-32mm Length: Approx. 10.2cm/ 4.02" Size 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). Product contents: 1*Set of 3 Step Drill Bits with 1*Storage Bag

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