【Size and Package】: 14pcs 5/16"-18 Black Hexagon Rod Coupling Nuts. Length：30mm (1.2"), Outer Diameter：12mm(0.47") , Thread:5/16"-18.Coupling nut are packaged in plastic box, convenient storage and use 【High-grade Material】-- Extended Coupling Nuts made of high-grade strong and hard carbon-steel,Strict forging process, smooth surface deep thread even pitch, Can withstand high-strength tensile forces 【Hexagonal Appearance】--Hexagonal shape coupling nuts tighten by wrenches, Threads clear and smooth you also can effortless installation with manual turning, Easy to disassemble and replace. Uniformly covered with electroplated black zinc coating on the surface corrosion-resistant 【Fast and convenient】--Coupling nuts can be used to combine full all threaded rod of various lengths and assemble eyebolts wedge anchor chain links. They provides a stronger connection with its extended length.Safe, Fast and Convenient. 【Wide Use】--Threaded Connectors nut allowing the two rods to meet in the middle, forming a tight connection. Suitable for tasks like installing ceiling-mounted industrial pipes and equipment, lighting fixtures, leveling bench legs, among many other applications Matrelt’s Coupling nuts are good idea for joining two shorter threaded rods & studs into one.Additionally, it boasts multiple functions, When stacking multiple nuts is required, the Coupling nut serves as an extended nut, effectively fastening and protecting the threads. It offers an aesthetically pleasing and durable fastener solution.
Excellent craftsmanship,High grade carbon steel material, Practical and beautiful, they are screw, wedge anchor connection to increase the length, hardware fastening, house decoration, furniture repair, equipment maintenance perfect choice.
Nut Thread Size: 5/16"-18
Length：30mm (1.2")
Material: Carbon Steel
Color:Black Zinc Plated
Drive Mode: Hexagonal
Package Included:14pcs Coupling nuts