HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating
Dual-flute Design: clears chips faster and allows particles to escape easily
118° Split Point Tip: increases cutting speed with self-centering and prevents walking
One bit with multiple drill sizes----- 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"
Widely Application: Ideal for drilling holes in plastic, aluminum, iron and many other types of sheet metal (Not recommended for stainless steel and wood)
