Hex bolts, also known as hex tap bolts, have a hex head and smooth shoulder area beyond the standard amount of threading. These bolts have myriad uses across construction, agricultural, and automotive applications. Variants included in this assortment feature coarse 1/2"-13 thread and range from 1-1/2" to 6" in length. Full assortments of #2896 contain seven (7) refills comprised of Hillman item numbers #2897 - #2903.