BAYTORY Titanium Automatic Drilling Aluminum Review

Supper Value 6PCS Package: The bits set includes 3pcs Spiral Grooved step drill bits enable 33 sizes, with 1pcs automatic center punch and 2pcs M35 twist drill bits(3mm). Titanium Coating: The step drill bits are made by high speed steel, strong and durable. The titanium coating resists the drill bits from corrosion and rust, deduces friction making it easily to do multiple drills on surfaces such as plastic, aluminum, copper, stainless steel, and other types of sheet metal.(the board must be smaller in thickness than the height of step drill bits). Two-Flute Design: X-type opening design can facilitate the removal of cutting waste when drilling to keep the drill bit clean. With two-flute design, provides a faster and smoother cutting. Widely Application: The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material, and wood. Easy To Store: 6 pcs step drill set includes a sturdy blow molded organizing case for secure storage and easy carrying.