High Material: Furniture hex drive nuts are made of high quality carbon steel. Carbon steel material has strength and provides good corrosion resistance in bad condition.Property: Unique external thread ensures tight locking and high resistance to torsion or vibration pull.Easy Installation: Just drill the appropriate size hole and install with an Allen key, the tapered external threads make it difficult to remove due to vibration.Sharp Thread: Our nut thread is very sharp, clean and precise. And the compact wire is not easily deformed and slips in the process of rolling.Application: Suitable for pine soft wood, plywood, fiberboard, etc., have a good effect in furniture combination. Features: These insert nuts are made of galvanized carbon steel. They have the superior rust resistance and excellent oxidation resistance which can provide long time with. These are versatile threaded nuts that just push on, easy to use. Selfclinching nuts are advantageous over cylindrical nuts and Tslots because they can be installed from one side of the part. The kit is perfect for replacing lost broken ones. Use on sheet metal and wood. Specification: Material: Galvanized carbon steel Inner Thread: M6 Size: 6*15mm/0.23*0.6in Color: as shown the picture Scope of delivery: 50 pieces M6*15 screw nut