Grommet & Flange Mounting Dimensions

Grommet
Number
Description Hole Size Max Panel
Thickness
127-18 Grommet, rectangle, flush mount, black 3.50″ x 2.40″ 0.16″
127-181 Grommet, rectangle, flush mount, white 3.50″ x 2.40″ 0.16″
142-17 Grommet, round, raised mount 2.75″ diameter 0.18″
142-18 Grommet, round, recess mount 3.125″ diameter 0.18″
142-181 Grommet, round, recess mount 3.125″ diameter 0.18″
143-17 Grommet, round, flush mount, closed-back 3.125″ diameter 0.15″
143-18 Grommet, round, flush mount 2.75″ diameter 0.25″
144-18 Grommet, round, flush mount, closed-back 2.75″ diameter 0.075″
146-18 Grommet, round, flush mount 2.25″ diameter 0.25″
146-181 Grommet, round, raised mount 2.125″ diameter 0.25″
146-182 Grommet, round, flush mount, closed-back 2.25″ diameter 0.25″
146-184 Grommet, round, raised mount 2.25″ diameter 0.17″
150-18 Grommet, rectangle, flush mount 2.88″ x 1.53″ 0.25″
150-181 Grommet, rectangle, flush mount 3.00″ x 1.65″ 0.25″
177-18 Grommet, round, flush mount 0.75″ diameter 0.20″
421-18 Grommet, oval, flush mount 2.50″ x 6.75″ 1.25″ r. corners 0.0179 – 0.25″
426-18 Grommet, round, flush mount 4.50″ diameter 0.25″
450-18 Grommet, rectangular, flush mount 5.43″ x 3.58″ 0.23″
850-18 Grommet, rectangular, flush mount 5.43″ x 3.58″ 0.375″
Dimensions given are for reference only. Due to various panel thickness, the size of the hole may need to be adjusted.

 

Lamp Series w/Flange Lamp Type Mounting Hole Diameter
411, 413, 418, 424, 425, 818, 824 4″ Round 4.5″
350F, 354F, 423, 822, 823, 2875 Oval 6.75″ x 2.5″
162, 163, 192, 193 2 1/2″Round 2.75″
146, 164, 165, 194, 195 2″Round 2.25″

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