Shree Krishna Engineering Co. Offers Nylon Anchor Fasteners. Shree Krishna Engineering Co. Is the manufacturer of anchor fasteners, hand tools, high tensile fasteners, etc. Nylon Anchor Fasteners are used in light load fastening in wood, hardboard, plaster, metal, cinder block, brick, slate, marble, plastic, tile, glass and concrete. They are available in unique design, which allows the nail to expand the anchor uniformly in the hole. The body of the high tensile fasteners is manufactured from virgin nylon, which makes it apt to withstand high impact or loads.