1、SELF TAPPING THREAD INSERT: With the ability to self tap threads, the base material does not need to be pre tapped, saving time. 2、STRONG TENSILE STRENGTH: With a large contact surface with the finished product, thread insert can withstand strong tensile strength, and lower strength materials can be used in product design. 3、STAINLESS STEEL MATERIAL: Made of excellent stainless steel material, sturdy and not easily deformed, has strong resistance to vibration, and can prevent loosening. 4、TIGHT FIT: There is no space with the base material, and the base material also has good airtightness if it contains bubbles. 5、WIDE APPLICATION: Self tapping thread insert has been widely used in automobile industry, railroad speeder industry, shipbuilding industry, household appliances, construction machinery, business machinery, electronic products, engineering plastics, advanced combination furniture, aluminum die casting and other industries. 20 x Thread Insert Item Type: Thread InsertMode: Slotted threaded sleeveQuantity: 20pcsMaterial: Stainless SteelProduct Size:Female Thread: 1.75Male Thread: M16 x 1.5Length: Approx. 22mm / 0.87inReference Drilling Diameter:Plastic: Approx. 14.6 to 16.8mm / 0.57 to 0.66in Alloy: Approx. 15 to 15.3mm / 0.59 to 0.6in Cast Iron: Approx. 15.2 to 15.4mm / 0.6 to 0.61in Minimum Drilling Depth: Approx. 26mm / 1.02in