Stark USA 31012 9pc hss SAE 93 Stepdrill bit Aluminum Carry Case tri flat shank9pc Step drill bits are constructed from traditional HSS combined with a titanium coating to make them even more durable. This also proves the capability and durability of the drill to last through multiple drilling on surfaces such as: plastic, aluminum, copper, stainless steel, and so much more. Features: Its great for sheet metal, aluminum sheets, wood chips, plastic and wood board. Its a perfect choice for DIY and engineering use. Engraved Sizes

Gauge: 0-23PSI In 0

The Masonry Drill Bit is especially for drill concrete hole

and water tower pressurization

Chromium-vanadium alloy steel bit sockets forged and underwent heat treatment to offer long-lasting durability

Max Tongue Weight: 1

Professional and widely used bits: HSS is more suitable for hardened material

Casters Size: 4"

all with a swagged tip and individual spiral mixer

which allows for easy transportation

Maximum Lifting Height: 14"

Brakes: 1 disc front

Storage Included: Yes