Bosch HSS-G Metal Twist Drill Bit 2.5 x 57 mm (2-Pack)

The Bosch HSS-G Metal Twist Drill Bit 2.5 x 57 mm (2-Pack) is a twin set made for drilling accurate holes in solid metal. Made from ground high-speed steel (HSS-G), these twist drill bits are designed to cope with the friction and demands of metalworking. The cutting edges keep their sharpness when going through tough materials. Intended for steel and general metal work, the bits suit a range of workshop fabrication tasks. Both pieces use a standard fluted design that clears chips and swarf continuously as the bit advances into the workpiece.

Each bit has a cylindrical shank measuring 2.5 mm in diameter. This standard shape fits straight into matching chucks on both corded and cordless drills. At 57 mm in total length, the bit offers a practical profile for standard clearance requirements. Of this total length, a 30 mm working length sets the maximum plunge depth in a single pass. These dimensions allow precise through-holes and controlled depths across various steel materials.

• 135° split-point tip helps with accurate initial centring and reduces wandering when starting a hole.
• 2.5 mm cutting diameter creates appropriately sized holes for small hardware and precision metalwork.
• 30 mm working length sets the maximum drilling depth before the flutes end.
• Cylindrical shank measures 2.5 mm in diameter to fit securely into standard rotary drill chucks.
• Ground high-speed steel (HSS-G) construction provides consistent material removal and resists wear during fabrication.