Seal extra pushbutton holes, conduit openings and knockout openings against dust, dirt, oil and water with Hoffman 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.
Oil-resistant gasket provided
Available in multiple colors and sizes
Stainless steel seals have polished front surface.
Steel seals have polyester powder paint finish over galvanized front surface.
Plated stud (10-32x5/8) and wing nut
16 gauge galvanized steel backplate
Seal, backplate, stud (10-24x5/8) and wing nut are 300 series stainless steel
Stainless Steel Models:
16 gauge stainless steel backplate
For : 4-in. conduit holes
Maximum Hole Diameter in. : 4.62
Hol-Sealer Diameter in. : 5.12
Finish Color : ANSI 61 gray
Industry Standards : Steel Hole Seals UL 508A Component Recognized; Type 3R, 4, 12, 13; File No. E61997 CSA File No. 42186; Type 3R, 4, 12, 13 NEMA/EEMAC Type 3R, 4, 12, 13 IEC 60529, IP66 Stainless Steel Hole Seals UL 508A Component Recognized; Type 3R, 4, 4X, 12, 13; File No. E61997 CSA File No. 42186; Type 3R, 4, 4X, 12, 13 NEMA/EEMAC Type 3R, 4, 4X, 12, 13 IEC 60529, IP66