Hexagon Head Threaded Screw is made from alloy or stainless steel material and comes with Non Elecrolite plating like Geomet, Dacromet etc. Lakshmi Precision Screws Ltd manufactures Hexagon Head Threaded Screw. Lakshmi Precision Screws Ltd also offers screws, bolts, nuts, keys, pins and fasteners for Wind Energy, Locomotives, Automobiles and Agriculture Equipments. The Hexagon Head Threaded Screw is available in various lengths ranging from 8 mm to 200 mm or 3/8" to 8".