One downside: At high drill speeds, they can overheat and soften, becoming dull. This is especially common when drilling metal. High-speed steel (HSS) bits are capable of prolonged drilling ...

and six wood and HSS twist drill bits. It offers two variable speeds, higher voltage, and an adjustable clutch that provides precise, versatile, and controlled drilling. With over 2,400 five-star ...

When you're trying to choose the right drill bit, you may have noticed that several different materials are used. High-speed ...