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Makita High-Speed Steel (HSS) Step Drill Bit 4 to 32 mm Drill Diameter, Tri-Flat Shank 6mm D-40163
Specifications
| Country of Origin | China |
|---|---|
| Brand | Makita |
| Material | HSS |
| Model | D-40163 |
| Shank Type | Tri-Flat |
| Shank Size | 6mm |
| Drill Diameter | 4 to 32 mm |
Key Features
- This step drill bit allows precise creation of multiple hole sizes with one tool.
- Constructed from durable high-speed steel suitable for professional use.
- Designed for efficient enlarging of existing holes on ferrous and non-ferrous metals.
- Tri-flat shank minimizes slippage in drill chucks for enhanced safety.
- Ideal for electrical, electronic assembly, and automation industry applications.
- Conical design provides smooth drilling in softer, thinner materials such as sheet metal.
- Raises drilling efficiency by replacing multiple single-size drill bits.
- Manufactured in China with no specific standards or approvals cited.
Product Description
Makita D-40163 High-Speed Steel (HSS) Step Drill Bit features a drill diameter range from 4 mm to 32 mm with a tri-flat 6 mm shank design for secure fitting in the drill chuck. It is a precision specialist drill bit designed for mechanical and electrical industries where holes of incremental sizes are needed using a single tool.
The step drill shape makes it efficient for enlarging existing holes and drilling through softer metals such as ferrous and non-ferrous materials and sheet metals. Its high-speed steel construction provides durability and longevity for professional and industrial applications.
This drill bit is exceptionally useful in automation, electronics assembly, and mechanical operations, greatly improving workflow by reducing the need to switch multiple bits. The tri-flat shank design prevents slippage, providing safer and more stable operation.
This step drill bit enables drilling precise multiple hole sizes with one tool. Made with high-speed steel (HSS) for durability and professional applications. Features a 6 mm tri-flat shank to secure grip and avoid chuck slippage.
Ideal for drilling and enlarging holes in ferrous and non-ferrous metals. Used widely within electrical and electronic equipment assembly operations. Conical shape efficiently drills through soft and thin materials like sheet metal.
Manufactured in China with no listed standards or certifications.
Makita's specialist drill bit D-40163 is a reliable component for mechanical, laboratory, industrial workshops, fabrication, and HVAC applications. It reduces tooling changes and optimizes drilling performance across various professional domains.
Explore more Specialist Drill Bits and related power tool accessories on EnvMart to enhance your toolset with premium industrial-grade products.
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Frequently Asked Questions
The drill diameter range of this step drill bit is from 4 mm to 32 mm.
This drill bit is constructed from high-speed steel (HSS), suitable for professional use.
It features a tri-flat shank design with a size of 6 mm, which minimizes slippage in drill chucks.
This model is ideal for applications in the electrical, electronic assembly, and automation industries.
The conical design provides smooth drilling in softer, thinner materials such as sheet metal.
It raises drilling efficiency by allowing the creation of multiple hole sizes with one tool, reducing the need to switch between multiple bits.
The shank size of this drill bit is 6 mm, designed for a secure fit in the drill chuck.
It is designed for drilling and enlarging holes in both ferrous and non-ferrous metals.
This drill bit is manufactured in China.
The model number of this step drill bit is D-40163.
It is particularly useful in mechanical, laboratory, industrial workshops, fabrication, and HVAC applications.
No specific standards or certifications are cited for this step drill bit.
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