We will introduce all Z-PRO brand products at once!
"The Ultimate Professional Tool Optimized for Machines" We have launched a new brand with the concept of the ultimate professional tool optimized for machines, combining "Z" = Zenith (peak, highest) and "PRO" = Professional. The name is "Z-PRO." As the machining environment has evolved from hand tools to drilling machines, taps have also advanced, but the overall length of tap standards has not changed since the era of hand tool machining. In the new design, the overall length is slightly longer compared to other taps (JIS). Eighty percent of tap troubles are caused by chips... All of these issues will be resolved with a slightly longer semi-long design! We will achieve safe tap machining that can adapt to the changes in the evolved machining environment by improving chip removal and ensuring a good supply of cutting fluids. *For more details, please be sure to check the "Z-PRO Brand Introduction Site" below!
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Line up（23）
| Model number | overview |
|---|---|
| VUSP | Coated spiral tap |
| VUSP 1.5P | Coated spiral tap 1.5P |
| VUSP CH | Coating spiral tap cool hole |
| HVSP | Hybrid value spiral tap for steel |
| HVSP LH | Hybrid value spiral tap for steel, left-hand thread. |
| HVSP ZP | Hybrid value spiral tap for zinc plating |
| MHSP | Spiral tap for medium hardness carbon steel |
| MHSL | Spiral tap for through holes in medium hardness carbon steel. |
| LKSL | Long neck street hole spiral tap |
| LKSL XL | Extra long neck spiral tap for through holes |
| VUPO | Coating point tap |
| HVPO | Hybrid value point tap for steel |
| HVPO ZP | Hybrid value point tap for zinc plating |
| CAST CH | Casting Straight Tap Cool Hole |
| EHRZ | Extra Hard Roll Tap |
| MHRZ | Roll taps for medium hardness carbon steel |
| AUSP Rc | Coated spiral tap for useful tapered threads |
| PMST OX Rc | High hardness steel straight tap for useful tapered threads |
| PMSP OX Rc | High hardness steel spiral tap for useful tapered threads |
| AUSP Rp | Coating spiral tap for useful parallel threads |
| AUSP G | Coated spiral tap for parallel threads |
| PRML | Premium Thread Mill |
| PRML TI | Premium Thread Mill for Heat-Resistant Alloys |
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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.
