Mengshen Step Drill 5-Piece Set British System 1/4-1-3/8" 3/16-7/8" 1/4-3/4" 1/8-1/2" 3/16-1/2", High Speed Steel HSS Titanium Coated Triangle Shank HSS Multifunction Pagoda Drill

• 50 sizes in 5 - The bits set includes five standard step drill bits that can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces.
• Sets includes a sturdy Aluminum Case for secure storage and easy carrying.
• HSS & Titanium Coating - High speed steel makes it last longer than others, titanium coating ensures easily cut through steel sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease.
• Good Design - Triangle shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
• A necessity for family or handyman or professionals - Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.

Mengshen British System Step Drill 5-Piece Set 1/4-1-3/8" 3/16-7/8" 1/4-3/4" 1/8-1/2" 3/16-1/2", High Speed Steel 4241 Titanium Coated Triangle Shank HSS Multifunction Pagoda Drill. High quality material - The step drill is made of high speed steel with high hardness and good wear resistance. Made of high speed steel with titanium coating to reduce friction and heat, more powerful and durable. Multi-size for More Practical - Can be used to drill a variety of hole sizes to meet your various needs, saving your money and more practical. Wide Application - Triangle Shank Step Drill is perfect for cutting holes in a variety of materials including brass, wood, plastic and more within 25 degrees Hardness and 5mm Thickness & Titanium Twist Drills are mainly used in wood, plastic and aluminum & M35 Twist Drills are special suitable for high hardness steel such as stainless steel. Specifications: Material: High speed steel 4241 Sizes of the 5 Step Drill Bits: 1/4-1-3/8" 3/16-7/8" 1/4-3/4" 1/8-1/2" 3/16-1/2" Quantity: 5pc Package Includes: 5x Step Drill Bit