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Slotted Flat & Round-Head Brass Machine Screws Assortment (5/16"-18)Hillman Item #46173
An assortment of slotted-drive, flat-head & round-head, brass-plated machine screw variants from The Hillman Group. Machine screws are used in conjunction with washers and hex nuts in order to fasten metal parts together securely. To ensure proper fit and quality of life, make sure to use machine screws with nuts of similar thread size and finish. Variants included in this assortment feature a coarse 5/16"-18 screw thread and range from 3/4" to 3" in length. Full assortment contains twelve (12) refills comprised of Hillman item numbers #403747 - #403758.