Metric Hex Jam Nuts Assortment (M6 thru M20 Standard, Fine, Extra Fine Pitch)Hillman Item #43807
An assortment of metric hex jam nut variants from The Hillman Group. Jam nuts are low-profile nuts that are half as tall as a standard hex nut. They can be used in places where standard nuts might not fit or to secure items to a fastener without applying force to that object. Variants included in this assortment feature a zinc finish and run M6 to M20 in diameter comprising several common USS coarse and SAE fine screw thread sizes. Full assortment contains sixteen (16) refills comprised of Hillman item numbers #43808 - #43823.