BlueSpot Tools 32050 HSS Step Drill Bits 4-22mm

This step drill is designed for precise drilling in a range of materials, including aluminium, brass, copper, plastic, steel, and wood. It features ten hole sizes in a single bit, from 4 to 22 mm, using 2 mm step increments for efficient hole enlargement. Made from high-speed steel with a titanium nitride coating, it reduces friction and heat for smoother cutting and longer life. The drill is compatible with standard drill chucks and can be used with electric drills or drill presses. It is suitable for drilling and enlarging holes across multiple materials with a round shank that fits securely in compatible chucks, helping keep the workpiece clamped and the drill square during use.

Features

• Ten hole sizes from 4 to 22 mm
• High-speed steel construction for durability
• Titanium nitride coating reduces friction and heat
• 2 mm incremental steps
• Round shank fits standard drill chucks
• Suitable for steel, aluminium, brass, copper, plastic, wood

Usage and compatibility

Install the drill into the chuck securely, set the speed to suit the material, then mark the drilling point and begin drilling at a low speed, gradually increasing as needed. Apply steady pressure for best results. The tool is compatible with standard drill chucks and can be used with electric drills and drill presses for drilling and enlarging holes in steel, aluminium, brass, copper, plastic, and wood.