Step Drill
Why Step Drills Are the Versatile Choice for Multi-Material Drilling Tasks？
1. Made of HSS, HSS-E and other materials, it is applicable to drilling of various materials, such as Steel, Stainless Steel, Aluminum Alloy.
2. The chip flue includes straight flute and spiral flute.
3. Grinding with CNC precision tool grinder, with excellent quality of cutting edge.
4. TiN, TiAlN and other coating are available, can improve performance.
Advantages of Step drill
High-efficiency machining
Step drills have multiple cutting edges of different diameters, which can complete the machining of multiple holes with different diameters in a single feed. This reduces tool changes and positioning times, improving machining efficiency. For example, when machining parts requiring multiple hole diameters, using a step drill can significantly shorten processing time.
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High precision
The design of step drills keeps each step diameter relatively fixed, ensuring dimensional accuracy and positional accuracy of each hole during machining, which helps improve the overall machining quality of parts.
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Cost reduction
By reducing the number of tools used and tool change frequency, step drills lower tool costs and machine downtime, thus reducing machining costs.
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Strong applicability
They can be designed into various step sizes and shapes according to different machining needs, suitable for machining multiple materials and different types of holes—such as processing holes of various specifications in thin or thick plates.
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Good surface quality
Step drills cut smoothly, effectively reducing the roughness of hole walls and resulting in holes with better surface quality, which is beneficial for subsequent assembly and use.
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Features of Step drill
Gradual diameter change
The drill bit of a step drill is stepped, composed of multiple cylindrical parts with different diameters. The diameter gradually increases from the drill tip to the drill tail, enabling the machining of holes with different diameters in a single drilling operation.
High-efficiency machining
Multiple hole diameters can be processed in one feed without frequent tool changes or repositioning, reducing auxiliary time and improving machining efficiency.
Precision assurance
Each step has high dimensional accuracy, ensuring the diameter and positional accuracy of the machined holes, which is conducive to improving the machining quality of parts.
Smooth cutting
Due to the gradual increase in diameter, the cutting force is evenly distributed, and the cutting process is relatively stable, reducing vibration and noise and minimizing damage to the machine tool and workpiece.
Wide applicability
Various specifications and shapes of step drills can be customized according to different machining needs, suitable for machining multiple materials and different types of holes.
Long tool life
Reasonable design allows each step's cutting edge to be fully utilized, with relatively uniform wear, prolonging the overall service life of the tool.
Applications of Step drill
Mechanical Manufacturing
- Used for processing various mechanical parts, such as machining installation holes and oil holes of different diameters on engine cylinder blocks. Multiple hole diameters can be completed in one feed, improving machining efficiency and precision.
- In mold processing, step drills can create cooling holes and ejector pin holes of different specifications in molds, ensuring the quality and performance of the molds.
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Automotive Manufacturing
- In the production of automotive components, such as machining transmission casings and brake discs, step drills can machine various mounting holes and connecting holes to meet the high-precision requirements of automotive parts.
- Used for automotive body assembly, machining holes of different diameters in body structural parts to install bolts, nuts, and other connectors, ensuring the strength and stability of the vehicle body.
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Electronics and Electrical Appliances
- Machining casings of electronic devices (e.g., computer cases, mobile phone shells), step drills create heat dissipation holes and mounting holes of different sizes to ensure product appearance and performance.
- In circuit board manufacturing, used to machine vias of different diameters to achieve electrical connections and conduction.
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Furniture Manufacturing
- In panel furniture production, step drills machine connecting holes and mounting holes in boards for easy assembly, improving production efficiency and assembly accuracy.
- In solid wood furniture manufacturing, they can drill mortise holes of different diameters in wood for installing tenons, enhancing structural stability.
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Construction and Decoration
- In construction, used to machine installation holes of different diameters in concrete and masonry structures for installing pipes and wire grooves.
- During decoration, drill holes in wooden materials (e.g., door/window frames, furniture) to install hinges, handles, and other hardware.
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Why Choose Us
High Quality
Xinxing digital factory covers an area of 66666 m2 with an annual output of 6 million pieces. Introducing advanced information systems to achieve the whole process of digital management, forging reliable quality.
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Advanced Equipment
Workshops have modern production lines, equipped with CNC precision automatic lathe, vertical machining center, robots and other international advanced production equipment, to achieve fully automatic assembly line production, to ensure stable and superior quality.
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Professional Team
Xinxing's R&D team is composed of professional engineers in the fields of materials, tool design, heat treatment, cutting application technology, manufacturing processes, and other fields. It is a highly experienced and creative technology research and development team.
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Accept ODM/OEM
According to your process requirements, dedicated tools can be configured to improve efficiency or overcome the processing difficulties. Welcome to inquiry from us.
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Company profile
Zhejiang Xinxing Tools Co., Ltd., was founded in 1994, is a high-tech enterprise focusing on hole processing technology. Since its founding nearly 30 years ago, we will be adhering to "focus on improving self", the company has set up the mission of providing manufacturing industry with high efficiency & precision cutting tools, consistently implement the innovative development strategy, deeply cultivate the productivity of cutting tools and technology improvement.
Our products include: Annular cutter, rail cutter, hole saw, spade drill, step drill, countersink, magnetic drill machine, solid carbide cutter, taps, B T A deep hole drill, etc.
Nearly 30 years of accumulation, we are equipped with international leading R & D and testing equipment, established a production line for large number of professional CNC tools, become a high performance CNC tool manufacturer combined with R & D, production and sales. Nearly 30 years of efforts, the company has 100 patents approximately, leading the industry standards drafting of 《ANNULAR CUTTER》, 《Internal cooling replaceable inserts spade drill 》, Won the "national manufacturing industry individual champion demonstration enterprise" and other honors, it has been closely cooperated with customers from more than 80 countries.
In the future, we will be adhering to "the concept of innovative development, win-win cooperation", we carry out the mission of "providing efficient precision cutting tools", continue to focus on deep tillage and efficient cutting technology, and strive to become a more reliable tool manufacturing brand of you.
Certifications
Our Factory
Test equipment
FAQ
Q: 1.What is the step drill used for?
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A: Step drill bits are great for cutting through plastic, it offers a very smooth cut and finish without damaging the hole or material. They are also great at cutting through thin metal, as it cuts it very smoothly compared to twist drills, and slowly shaves off the metal leaving a smooth beveled edge to the metal.
Q: 2. When should I use a step drill bit?
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A:Step bits don't have a twist, so they're great for drilling through sheet metal and other thin, rigid material. They shave off material slowly, and make progressively larger holes as you go from step to step. They also make a nice chamfered/beveled edge to the hole.
Q: 3.Do I need a pilot hole for step drill bit?
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A: Before connecting your power tool to a power source or battery, ensure the step drill shank is securely fastened in the chuck. To begin drilling a large hole, use a small step drill bit to drill a pilot hole, and then switch to a larger step drill bit (optional).
Q: 4.Can you use a step drill bit on plastic?
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A: They can also be used for softer materials such as aluminum, wood, and plastic. For example, step bits are excellent for drilling holes in plastic or acrylic because they can create smooth-walled and straight hole sidewalls. The resulting hole is clean and free of burrs.