Step Drill

A "step drill" is a specialized drill bit that is designed to produce multiple sizes of holes in one operation. It has a unique stepped structure, with progressively larger diameters at each step. It allows for precise drilling and is commonly used in applications where different hole sizes are required, such as in metalworking or electrical installations.

Inquiry Basket

Product Code：

YT-44740

OEM：

Available

Sample：

Available

Payment：

L/C,T/T,D/P,D/A

Place of Origin：

China

Supply Ability：

9999 piece per Month

Product Details

YT-44740 Step Drill

Mark

Yato

Symbol

YT-44740

Series

GRD

Material

HSS 4241

Application

high-quality stainless steel, structural steel, cold-rolled steel, non-ferrous metals, steel sheets, plastic

Surface finish

coated with titanium nitride

Length

105mm

Type of tool holder

cylindrical

Diameter

6, 8, 11, 14, 17, 20, 23, 26, 29, 32, 35, 38 mm

Working length

78mm

Max. cutting thickness

4mm

Number of steps

The features of YT-44740 Step Drill

1. A step drill is a type of drill bit that has multiple stepped sizes or diameters along its length.
2.It is designed to create holes with different diameters in materials such as metal, plastic, or wood.
3.The step design allows for efficient drilling by reducing the need for multiple drill bits.
4.It is versatile and can be used for various applications, such as enlarging existing holes, creating countersinks, or deburring edges.
5.The gradual stepped sizes of the drill allow for precise control and smooth drilling without the need for excessive force.
6. Step drills often have a spiral fluted design, which helps to remove chips and prevent clogging.
7.They are commonly used in industries such as automotive, aerospace, and construction.
8.Step drills typically have a high-speed steel or cobalt construction, which provides durability and long-lasting performance.
9. Some step drills have a titanium coating, which further increases their durability and reduces friction for faster drilling.
10.Step drills are available in different sizes and designs to accommodate various hole diameters and specific applications.

Application Area

1. Metalworking: Step drills find extensive use in metalworking industries, especially in sheet metal fabrication. They are used to create perfectly sized round holes in metal sheets, pipes, or plates. With their multiple-sized steps, step drills eliminate the need for multiple drill bits and provide efficient hole drilling.
2. Electrical and Electronics: Step drills are utilized in electrical and electronics industries for drilling holes in panels, enclosures, and chassis. These drills are ideal for creating precise holes of different sizes to accommodate various electrical components and connectors.
3. Plumbing and HVAC: In plumbing and HVAC installations, step drills are frequently employed to create holes in ductwork, pipes, and conduits. They help in fitting pipes of different sizes and thicknesses, ensuring a secure and leak-free connection.
4. Automotive and Aerospace: In automotive and aerospace industries, step drills are used for drilling holes in body panels, frames, and structural components. These drills allow for the creation of holes with specific diameters needed for fasteners, brackets, and other mounting hardware.
5. Woodworking: Although primarily designed for metalworking, step drills can also be used in woodworking applications. They are used for drilling holes in wooden surfaces, such as furniture, cabinets, or wooden crafts, where precise hole sizes are required for dowels, fasteners, or other joinery techniques.