Self-tapping threaded inserts are widely used in household appliances, industries, construction machinery, engineering plastics, mechanical equipment, electronic products, aluminum die casting, aviation, automobile industry, rail car industry, ship industry, electronic communication, computers, and lighting, ship industry, and household appliances, etc.SpecificationInner Thread Size: M8 x 1.25mm(Dia.x Pitch)Outer Thread Size: M12 x 1.5mm(Dia.x Pitch)Thread Length: 20 mm/0.79 InchMin. Drilling Depth: 24mm/0.94 InchRefer to Drilling Diameter:10.6-10.8mm(Plastic), 11-11.2mm(Aluminum Alloy), 11.2-11.4mm(Cast Iron)Material: 303 Stainless SteelColor: Silver TonePackage List: 10 Pcs x Self-Tapping Inserts(302 Type)AdvantageConstructed from stable 303 stainless steel, our threaded inserts are wear-resistant, rust-proof, and vibration-resistant, and can bear strong tension and prevent loosening. Widely used with low-strength materials such as plastic, aluminum alloy, cast iron, etc , or parts that require frequent removal which can avoid thread damage and improve connection strength.Our threaded inserts with self-tapping capability do not need to be tapped in advance. It can be used to repair damaged or oversized threaded holes and restore the original function of the threads.InstructionEasy to use. These self-tapping screw sleeves do not need to be tapped in advance, just directly screwed into a specific hole by using an assembly tool.Note: Please check the size before purchasing.