The marine 4" screw-in deck plate is designed with a rubber O-ring that creates a watertight seal for safety. In addition, this particular plate style has a single-start, non-jamming (no cross-threading), extra-strong, self-cleaning buttress thread.
This Five Oceans Screw out Deck Plate is great to use in the marine environment.
Style: Screw-in (out) Deck Plate
Material: UV-resistant ABS plastic
Inside Diameter: 4" (101.6mm)
Outside Diameter: 5 5/8" (142.87mm)
Cutout Diameter: 4 7/16" (112.71mm)
Features: Coarse Thread w/ leak-proof function
Fasteners: Six (6) #8 (Not Included)
Please, use silicone sealant on the hull or deck surface when installing the deck plate
PRODUCT NUMBER: FO-296