This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

Drill nearly any size of hole with ease using the versatile Cobalt Step Drill Bit Set! Never worry of being not capable to drill holes perfectly, with these drill bits you don't need to hire any workers to drill for you!

The set includes 3 individual drill bits that provide faster and smoother cutting off holes on a variety of materials like brass, wood, plastic, steel, aluminium sheets, and more. Its titanium coating ensures outstanding durability and will stay sharp for years to come.

Highlights:

• Easy and smooth drilling: each step is clearly labelled with the depth diameter in steps
• Built to last: the titanium coating can reduce friction and last longer than uncoated bits

• Hexagonal shank: fit into every power tools like an electric drill and electric screwdriver securely
• Multiple in one: multiple sized drill bits integrated into one, saving you a lot of time while working
• Made of high-speed, fully polished, and heat-treated steel
• Double-fluted design ensures optimum speed and accuracy
• Suitable for cutting holes in a variety of materials including soft steel, brass, wood, plastic, aluminium copper, gypsum board, metal material, fibreglass, and more
• Perfect for professional and home use

Specifications:

• Material: High speed steel
• Finish: Titanium
• Shaft Type: Hexagonal shaft
• Size:
• 4-12mm Length: Approximately 6.7cm / 2.64"
• 4-20mm Length: Approximately 7.4cm / 2.91"
• 4-32mm Length: Approximately 10.2cm / 4.02"