Made of high speed steel for sheet metal. Have 135° split points for fast drilling without center punching. Double ended bit can easily be flipped in a drill for new drilling end. Packed 10 Drill bits in a hang up plastic display vial.
As an industrial engineer, I needed an efficient drill bit to work on metal surfaces. As a result of using this product, i found that this drill bit is strong and can drill through metal with ease... The quality of the drill bit is impressive, and it lasts longer than other brands. However the shank could be longer for better gripping. Overall, I recommend this product to anyone in need of a reliable and efficient drill bit for industrial and scientific use..
Pros
Sharp and durable, able to drill through thick metal with ease.