Titanium Step Drill Bit, 1/4" to 1-3/8" Step Bit for Metal, 10 Sizes HSS Step Drill Unibit

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About This 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 fas ter 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) Overview Material : High Speed Steel (HSS) Shank Diameter : 0.25 Inches Cutting Diameter : 1/4"-1-3/8" Inches Finish Type : Titanium Shank Type : 3-Flat Show more