TITANIUM COATED DRILL BIT: The stepped drill bit is made of M35 high-speed steel, and the TiN coating makes the drill bit more durable with balanced toughness, wear resistance, and red hardness, achieving better and faster drilling performance.
LARGER USAGE RANGE: 3/16 "to 1-1/4". Our drill bits are larger in size, so we can drill larger holes.
INDEPENDENT PACKAGING: PVC transparent square tube packaging, which not only protects the drill bit but also allows for inspection of its condition and hanging for placement.
8-HOLES SIZE:ONE BIT FOR ALL! 18 HOLES, Large Size 3/16" to 1-1/4", It is easily to cut metal/Wood sheet. Mid-dunty for Metal, Aluminum, Wood, Plastic
UNIVERSAL SHANK: 3/8-inch 3-Flat shank type can be securely installed on lithium-ion drill bits, hand drills, and bench drills