The Hillman Group 2875 Hex Tap Bolt, 1/4-20 X 2-1/2-Inch, 15-Pack
A tap bolt has a hex head and a smooth shoulder area beyond the standard amount of threading.Hex Tap Bolt also known as fully-threaded Hex Cap Screws, these bolts have a variety of uses for construction, agriculture and automotive applications. Available in many sizes and materials.