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3/8" Flush plugs used in plugging 3/8" holes in sheet metal. these plugs Manufactured by caplugs are some of the nicest in the industry. these plugs are called flush because they plug the hole and have a slight dome to them making them look smooth and giving the plugged hole a finished look. If the hole is slightly larger than 3/8" or .275 thousandths I recommend using Top Secret Plug sealant to glue the plug in so it will not fall out.
Button plugs with flush-type heads can be used for plugging holes in equipment made of sheet metal, such as automobile bodies, tanks, refrigeration units, etc.
Material: Low-density polyethylene
Service Temperature: LDPE: -94 - 175° F (-70 - 79° C)
Color: Black