Air Grip Group Of Companies supplies Brass made Presser Nut. Air Grip Group Of Companies is an ISO 9001: 2000 certified company. The Brass made Presser Nut is brass forged and is used in electrical wiring applications. The Presser Nut is brass forged and is made from brass rods, tubes and profiles and comes in different sizes with the tolerance of + 0.05mm along with internal and external threading. The Brass made Presser Nut Plug is available in various ranges from 10.00mm to 100mm.