Specification Brand : Fafeicy BulletPoint1 : High quality: The thread repair plug-in is made of SUS304, which has good resistance, heat and mechanical properties. BulletPoint2 : Application: The thread repair plug-in can be used for low-strength engineering materials such as aluminum alloy, zinc alloy, copper, and plastic. BulletPoint3 : High quality: The thread repair plug-in is made of SUS304, which has good resistance, heat and mechanical properties. BulletPoint4 : Features: The thread repair plug-in helps to form high-strength, and high-precision internal threads. BulletPoint5 : Metric/Inch: The thread repair plug-in can switch between metric and inch threaded holes conveniently and quickly, and is in use. Color : Silver ExteriorFinish : Zinc ExternallyAssignedProductIdentifier : 4711789153332 FinishType : Finish ItemName : Thread Repairing Tool, 50pcs M8x1.25x3D Thread Repair Insert Set 304 Stainless Steel High Strength Thread Repairing Sleeve, Thread Locking Inserts ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-thread-repair-metric-kits Manufacturer : Fafeicy Material1 : Stainless Steel Material2 : Steel MetalType1 : Zinc MetalType2 : Stainless Steel MetalType3 : Aluminum MetalType4 : Alloy Steel MetalType5 : Copper ModelName : Hyuduo3ta7icr0f1 ModelNumber : Fafeicywi3u5mgs7f NumberOfItems : 1 PartNumber : Fafeicywi3u5mgs7f ProductDescription : Spec: Item Type: Thread Repair Insert Material: SUS304 Model: M8x1.25x3D Thread Specification: M8 x 1.25mm Length After Installation: Approx. 24mm/0.9in Turns Before Installation: 16.5 Outside Diameter Before Installation: Approx. 9.8-10.1mm/0.39-0.4in Diameter of Mounting Drilling Drill Bit: Approx. 8.3mm/0.33in Application: It is a new type of internally threaded fastener, which is made of high-strength, high-precision -shaped crossed-section steel wire; it is suitable for low-strength engineering materials such as aluminum alloy, zinc alloy, copper, plastic, and phenolic plastic, etc. which can significantly improve thread strength and wear resistance. Model Specification Description: For example: M3x0.5x1.5D means that after the screw is mounted, the internal thread is M3, the pitch is 0.5, and the length is 1.5D (length refers to 1.5 times the diameter, that is, 1.5x3=4.5mm). The length here refers to is the length after installation.