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Nylon Grommet Nuts Assortment (Square & Round Head)Hillman Item #45990
An assortment of square-head and round-head nylon grommet nut variants from The Hillman Group. When used in conjunction with a sheet metal or machine screw, grommet nuts expand and lock securely into a pre-drilled hole. Variants included in this assortment range from 0.275" to 0.4" in body length and fit hole sizes ranging from 0.275" to 0.43". Full assortment contains twelve (12) refills comprised of Hillman item numbers #400162 - #400173.