The self-tapping threaded bushing has a large contact surface and can withstand strong tension. The self-tapping screws are highly resistant to vibration and prevent loosening. The slotted threaded bushing is made of high-quality carbon steel, so it is durable. The installation of self-tapping screws does not require pre-tapping, and the installation tool can be screwed directly into the specific hole reserved in the base metal. The self-tapping nut is widely used in the automobile industry, road vehicle industry, shipbuilding industry, household appliances, construction machinery, electronic products manufacturing, and other industries. Widely used in the automotive industry, rail vehicle industry, shipbuilding industry, household appliances, construction machinery, business machinery, electronic products, engineering plastics, advanced furniture, aluminum die-casting, and other industries. Specification: Condition: Brand New Material: Carbon Steel(Plating Color Zinc) Inner M6*1.0 Outer M9*1.0: 12mm / 0.5in Package List: 15Pcs Thread Inserts