Specification AgeRangeDescription : adult Brand : Hapivida BulletPoint1 : HELP TO MAINTENANCE: Helical Repair M4 x 8mm Set are used in low strength materials such as aluminum, magnesium, can avoid thread damage and get a good connection performance BulletPoint2 : SIZE: Slotted Screw Metal Thread Insert include 20pcs threaded inserts, inner thread size is M4(diameter) x 0.7(pitch) x 8mm(length), outer thread size is M6.5(diameter) x 0.75(pitch) BulletPoint3 : RELIABLE MATERIAL: Self Tapping Slotted Screw Thread Insert is made of sturdy Metal material, which has exquisite workmanship, clear thread, especially used for products requiring high coefficient of insurance BulletPoint4 : EASY TO INSTALL: Bushing Slotted Wire Thread Repair Insert can be installed directly and do not need you to tap a thread first, it does not require complicated operations. Save your time and energy BulletPoint5 : WIDELY APPLICATION: Self Tapping Thread Insert can be widely used in automobile industry, rail car industry, ship industry, household appliances and many other places Color : Style 1 ExternallyAssignedProductIdentifier : 9108701722663 ItemName : Threaded Inserts Set, Metal Self Tapping Slotted Screw Thread Insert M4 x 8mm Bushing Slotted Wire Thread Repair Insert Assortment Kit ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tapping-inserts Manufacturer : Hapivida Material : Stainless Steel ModelName : XWXLIJV ModelNumber : Hapividay1gxfd2kv5 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : Hapividay1gxfd2kv5 ProductDescription : Specifications: Material: Metal Inner Thread Size: M4(diameter) x 0.7(pitch) x 8mm(length) Outer Thread Size: M6.5(diameter) x 0.75(pitch) Drilling Diameter: 5.8~5.9mm(plastic); 6.0~6.1mm(aluminum alloy); 6.1~6.2mm(cast iron) Min. Drilling Depth: 10mm Quantity: 20pcs Weight: 20g(approx.)