1/2-13X4 SST CAP BOLTS [25/BOX]

1/2-13X4 SST CAP BOLTS [25/BOX]

Head Cap bolt (also known as Allen head bolts) have a cylindrically shaped head with a flat top, knurled cylindrical sides and an internal hexagonal drive recess, often called an Allen or Hex drive. Socket Head Cap bolts have a compact head design making them ideal for use in tight or confined spaces.