This steel spacer can be widely used in high-temperature, high-pressure, and highly corrosive pressure, valves, sealing parts of cylinder heads, and industries such as car, steel mills, chemical equipment, and engineering machinery.Specification Material: Carbon SteelSize:4mm ID x 6mm OD x 3mm LCompatible Screw Size: 1/6 inch , M4 Screws BoltsPackage list: 12 pcs Steel spacersAdvantageMade of durable Carbon Steel material, which is hard, good performance, good electrical conductivity, corrosion resistance and can be used for a long time.Instruction Easy to use, just need to install on the screw bolts with proper diameter.NOTE: Please select the appropriate size according to your needs.
