Drill Bit Set, 3 Piece Step Drill Bit Set, HSS Stainless Steel Metal, 4-12/20/32mm, Conical Titanium Triangle Shank, with Hex Shank, For Screwdriver Drilling on Steel, Brass, Wood, Plastic L

General description

This drill bit set includes a set of 3 HSS steel step drills with titanium coating, designed for drilling holes from 4 to 32 mm in diameter in various materials such as steel, brass, wood, and plastic. Thanks to their unique design, these drill bits can create holes of different sizes without the need for pre-drilling, while automatically deburring the drilled holes.

Technical specifications

• Material: HSS M42 Steel with titanium coating
• Hole diameters: 4 mm to 32 mm
• Recommended speed: 250-400 RPM/min
• Maximum material hardness: 25 °
• Maximum material thickness: 5 mm

Usage

These drill bits are ideal for drilling holes in materials such as:

• Steel
• Aluminum
• Copper
• Brass
• Fiberglass
• PVC

Other information

• It is advisable to use a coolant to avoid overheating during drilling.
• It is recommended to wear safety glasses when using these tools.