A roll tap that achieves control of the internal diameter shape of female threads has arrived!
The "SURZ" is a SU roll tap (2 threads) that achieves low torque by adopting a special shape for the screw protrusion. It is effective for roll tapping of stainless steel. By adjusting the pilot hole diameter, it is possible to control the internal thread diameter shape. 【Features】 ■ Special shape adopted for the tap valley ■ Control of the internal thread diameter shape ■ Effective for roll tapping of stainless steel ■ Adjustment of the pilot hole diameter allows for control of the internal thread diameter shape *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Processing Data】 ■Tap: SURZ G4 M2X0.4 B ■Work Material: SUS304 ■Thread Depth: 5.2mm (Blind Hole) ■Pilot Hole Diameter: φ1.85～φ1.82 ■Tapping Speed: 5m/min ■Feed: Synchronous Feed ■Processing Direction: Vertical Processing ■Tapping Oil: Water-soluble (20 times diluted) ■Machine Used: Machining Center (BT25) *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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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.
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