We are offering Brass Nuts. -> Hex Nut ->Ring Nut -> Slotted Nut ->Cover Nut ->Material: free cutting brass is 319 type (i) or bs 249 type (i) ->Threads : iso metric (mm threads), ba threads, bsw threads (inches), unc & unf . -> Finish and coating : natural, nickle plated, tin plated or any coating as per customer specification. ->Size :any size as per custom designs or requirements.