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. - Self-clinching nuts are advantageous over cylindrical nuts and T-slots 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