DescriptionThese are drill bits, they can be used for all kinds of wood, wood products, plastics, plywood and other materials. High-speed steel material, these drill bits can be installed on drilling machines, milling machines and tapping machines with high precision and create super clean cuts.Features-Color: As shown.-Material: High-speed steel.-Size: About 7x0.5x0.5cm/ 2.75x0.2x0.2 inch. -Material and surface treatment: High-speed steel drill bits are very suitable for general use, with high hardness and toughness.-Titanium coating can improve wear resistance and melt resistance, and has a long service life. -Application: Very suitable for through-hole threads. It can be used for drilling and tapping stainless steel (below 30HRC), aluminum, die steel, ordinary steel, non-ferrous metals, hard plastics, etc. -Usage: Suitable for drilling machines, tapping machines, CNC and milling machines.-Use with tapping oil to obtain higher quality threads and more durable taps.
