Introduction of center tools available in two types for positioning and chamfering!
The "NC-SD/NC-SD-V" is a dedicated centering tool for positioning holes, available in two types: "NC-SD (125°)" for positioning and "NC-SD-V (90°)" for chamfering, allowing selection based on application. Its high rigidity design enables stable and high-precision positioning. It demonstrates effectiveness in positioning difficult curved surfaces and gentle slopes due to its excellent engagement. Additionally, it uses cobalt-based high-speed steel, which excels in wear resistance. It provides a good cup-shaped finish even on soft materials like mild steel and aluminum. 【Features】 ■ NC-SD - A positioning drill specifically used before drilling operations - Allows for high-precision positioning without chipping the drill edge ■ NS-SD-V - Capable of creating a clean chamfer on finished surfaces *For more details, please refer to the PDF document or feel free to contact us.
Inquire About This Product
basic information
**Differences Between Starting Drill and Center Drill** - It is also possible to use a center drill for positioning. - When using a center drill, the cutting edge of the general-purpose drill makes contact first. - There may be a tendency for chipping on the cutting edge or for single-edge contact to occur. *For more details, please refer to the PDF document or feel free to contact us.*
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog（1）
Download All Catalogs
Company information
Since our founding in 1923, the YAMAWA Group has been dedicated to researching and developing the highest quality cutting tools—such as taps, dies, and center drills—to meet the ever-evolving technological needs of the market. Guided by the founding spirit of contributing to the progress and development of Japan’s machinery industry, we continue to pursue excellence as specialists in cutting tools. YAMAWA products are trusted across a wide range of industries, from space exploration and aerospace to automotive, shipbuilding, machine tools, home appliances, and IT-related sectors—both in Japan and worldwide. Staying true to our philosophy of providing “Reliable Screw Threads”, we constantly refine our technology and quality management systems. As Japan’s first tap manufacturer to obtain ISO 9001 certification, we take pride in our heritage while striving to advance innovation and deliver cutting tools that support manufacturing around the world.