Ideal for both professional technicians who need a stable fixing solution and enthusiasts working on home improvement projects, such as cabinet assembly and machine maintenance Ideal for construction projects, auto leg repairs, furniture installations, and securing metal framework where connections are critical to wobble and long lasting Simplify your workshop inventory with this comprehensive 66 piece set. All coated carbon steel nuts are rigorously tested to ensure consistent screw fit and load capacity up to 8.8 grade standards This 66 piece carbon steel rivet nut set features a versatile fastening mandrel from 3mm to 10mm and is made of corrosion-resistant strong high carbon steel to withstand the rigors of both home and industrial environments The complete set includes 10 nuts (3mm 10mm) for each size with precision designed threading, providing superior shear strength (hardness 45 to 50) and rust-resistant plating surface even in humid conditions, Manufacturer: Netbiio