Item Type: Hex Coupling Nut Material: 304 stainless steel Color: Silver Specification: M6x1.0 10 L30mm Purpose: Suitable for bolts, studs, machine screws, threaded rods, etc., and are suitable for indoor and outdoor use Package List 10 x Hex Coupling Nut 110 PCS SET: The pack contains 10 pcs hex rod coupling nuts, the thread specification is M6x1.0, the length is 30mm. 2MAIN FUNCTION: Coupling nuts is mainly used to connect two piece threaded rods together from opposite ends and are used to hang various items vertically or horizontally. 3304 STAINLESS STEEL: Made from 304 stainless steel, these connection nuts are resistant to rust and corrosion, highly stable in harsh environments. 4GOOD ANGLE GRANULARITY: Long fine thread shank is hex shape and has 6 sides, offering good angle granularity for tool approaching. 5WIDE PURPOSES: These coupling nuts are ideal for replacing old worn or damaged ones, suitable for bolts, studs, machine screws, threaded rods, etc., great for indoor and outdoor use.