Self-tapping screws that can be screwed in with low torque! The screwing torque is low, which reduces fatigue during continuous screwing operations!
Sanrock is an ideal tapping screw that forms strong internal threads with a small screwing torque. The cross-section of the screw part is shaped like a rice ball, with its apex offset in a spiral manner. These two structural features enable a small screwing torque and smooth screwing performance. Additionally, since the internal threads are formed through plastic processing, it generates little cutting chips and allows for smooth fastening. ● For other functions and details, please download the catalog.
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basic information
**Features** - The threaded part has a "spiral" rice ball shape. - The female thread is formed by plastic processing. - The shape below the screw of Sanrock is "round wire." **Comparison with Conventional Tapping Screws** - The screwing torque is low, which reduces fatigue during continuous work. - Compared to the screwing torque, the holding power is high, as the female thread is raised through plastic processing, resulting in high holding power. - There is a high resistance to vibration. - For other functions and details, please download the catalog.
Price information
Please refer to the following direct sales site or contact us: http://www.maruemu.co.jp/product/plock.html
Delivery Time
Applications/Examples of results
【Usage】 〇 When performing continuous screw tightening work 〇 When you want to skip tapping 〇 When it is problematic for chips to come out 〇 When high torque is applied, such as with thick steel plates 〇 When there is misalignment in the pilot holes of two stacked plates 〇 When the threaded holes are clogged with paint ● For other functions and details, please contact us.
Detailed information
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The cross-section of the Sunrock screw is a non-circular rice ball shape.
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Standard pilot hole diameter For details, please refer to the table on the website. https://www.maruemu.co.jp/product/sunlock.html
catalog（1）
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Company information
In 1927, our company started as a manufacturing and sales business focused on hardware products such as cotter pins, and in 1957, we began mass production as a pioneer of stainless steel screws. The frontier spirit that lives on at Maruemu Seisakusho has led to the creation of core technologies based on our history and the accumulation of skills, including "product development of new materials, material processing, and fastening technology."
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