For new construction and renovation sites such as corrugated metal roofs for steel frame substrates.
- Focused on compatibility with hex sockets, using SUS304 caps with excellent rust resistance. - Specially shaped buzz washers that enhance waterproofing. - The lower neck screw prevents the plate material from sinking. * The 80 and 90 mm sizes are not NT type (with lower neck screw). 【What is a Buzz Washer】 - A washer with a SUS304 + EPDM packing. - It adheres at four points inside the packing, such as the lower neck packing, to suppress water intrusion. 【EPDM Rubber Packing】 - High elasticity, resilience, and adhesion. - Wide operating temperature range. - Weather resistance that is not prone to deterioration.
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basic information
- For steel frame substrate - Washer outer diameter: 20mm / 25mm - Applicable plate thickness: 2.3 to 6.0mm
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Applications/Examples of results
For new construction and renovation sites such as corrugated metal roofs for steel frame substrates. Custom sets of buzz washers are available. Please contact your sales representative for details.
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Company information
Since our founding, we have aimed to be a company that contributes to society based on the fundamental principles of "social contribution," "gratitude," and "simplicity." As we enter the 21st century, we hope to maintain these unchanged values. We always strive to be a trusted and good company in the construction field. At Ifuwakai (Wakai Industries - Industrial Fastener Development Division), we provide specialized fasteners for industrial products such as automobiles and machinery.
