孔密封, 钢制, 40MM, 灰色
**APPLICATION**
Seal extra pushbutton holes, conduit openings and knockout openings against dust, dirt, oil and water with HOLSEALERS™ Seals will cover any size or shape of hole from .19-in.diameter to maximum diameter shown in table. Can be used on enclosure walls up to .31-in. 8-mm thick.
**FEATURES**
* Available in multiple colors and sizes
* Oil-resistant gasket provided
**FINISH**
Steel seals have polyester powder paint finish over galvanized frontsurface.Stainless steel seals have polished front surface.