Item Type: Thread Insert Mode: Slotted threaded sleeve Quantity: 20pcs Material: Stainless Steel Product Size: Female Thread: 1.75 Male Thread: M16 x 1.5 Length: Approx. 22mm / 0.87in Reference 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 Package List 20 x Thread Insert 1SELF TAPPING THREAD INSERT: With the ability to self tap threads, the base material does not need to be pre tapped, saving time. 2STRONG 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. 3STAINLESS STEEL MATERIAL: Made of excellent stainless steel material, sturdy and not easily deformed, has strong resistance to vibration, and can prevent loosening. 4TIGHT FIT: There is no space with the base material, and the base material also has good airtightness if it contains bubbles. 5WIDE 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.