Description:Socket head bolt for use with hydrostatic winch on Cat machines.Attributes:• Material: Steel• Drive Type: Internal hex• Hex Size: 6.35 mm (0.25 in)• Length: 17.45 mm (0.687 in)• Head Height: 7.92 mm (0.31 in)• Head Diameter: 11.91 mm (0.468 in)• Thread Size: 5/16-18Application:Consult your owner's manual or contact your local Cat Dealer for more information.