12Mm-20Mm 1/2 Small Shank Drill Bit Metal Woodworking Cobalt Drill Hole Expander 12Mm

Features:

*Small Shank Drill: Made of 6542 high-speed steel, these drills are designed for quick and efficient drilling. With enhanced toughness and wear resistance, they provide enduring performance.

*Higher Hardness and Heat Resistance: These drills are quenched and tempered to achieve higher hardness and heat resistance, ensuring fast chip removal and obstruct temperature build-up.

*118° Double Back Angle: The drills feature CNC ground double back angles, resulting in sharper cutting edges and faster drilling speeds.

*Wide Flute Design: Equipped with wider flute and anti-burning function, these drills enable fast chip removal and effectively prevent burning caused by temperature accumulation.

*widespread Shank: The shank diameter ranges from 10mm to 12.7mm, ensuring tight and secure clamping. Suitable for various machines such as hand drills, bench drills, magnetic drills, milling machines, and radial drills.

*Wide Application Range: These drills are suitable for drilling in different materials such as 45# steel, cast iron, stainless steel (up to 1mm thickness), copper, square tube, aluminum alloy, chrome steel, plastic, iron, and wood.

Specifications:

*Part Name:Cobalt small shank drill bit

*Material:steel

*Size:As Pictures Show

*Color:copper

Package Content:

1pcs*Cobalt small shank drill bit

Note:

1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.