Specification Brand : E-Z LOK BulletPoint1 : THREADED INSERTS FOR METAL – E-Z LOK Thread Inserts for metal. Solid threaded inserts that are strong, easy to install, and self-locking. For optimal holding power in metal. BulletPoint2 : INSTALL WITH STANDARD TOOLS – 12L14 Carbon steel threaded inserts. Install with standard tools. No special drills, taps, or special installation tools are needed. BulletPoint3 : QUICKLY REPAIR DAMAGED THREADS – Quickly repair damaged threads or reinforce tapped holes in soft metals with these steel thread inserts. BulletPoint4 : FOR USE WITH APPLICATIONS – The threaded inserts are designed for use with soft metals: aluminum, cast iron, magnesium, etc. BulletPoint5 : STRONG THREADS MADE EASY – Simply drill the hole with a standard drill. Tap the hole with a standard tap. Turn in the insert with a screwdriver, bolt/jam nut, or an E-Z LOK drive tool. BulletPoint6 : IMPORTANT NOTE: Installation requires the use of a 33/64 drill. Color : Silver CompatibleGrooveDiameter : 0.5625 inches DriveSystem : Cross ExteriorFinish : Aluminum ExternallyAssignedProductIdentifier1 : 839137002836 ExternallyAssignedProductIdentifier2 : 0839137002836 FinishType : Phosphate GradeRating : C12L14 ItemName : E-Z Lok Externally Threaded Insert, C12L14 Carbon Steel, Meets AISI 12L14, 7/16"-20 Internal Threads, 9/16"-12 External Threads, 0.562" Length, Made in US (Pack of 5) ItemPackageDimensions_Height : 1.524 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 2.794 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : thread-locking-inserts Manufacturer : E-Z LOK Material : Steel Material1 : Stainless Steel Material2 : Steel MaximumShearStrength : 20,000 psi MeasurementSystem : Inch MetalType : Stainless Steel MetalType1 : Aluminum MetalType2 : Carbon Steel MetalType3 : Alloy Steel MetalType4 : Iron MetalType5 : Magnesium ModelNumber : 550-1420 NumberOfItems : 5 NumberOfPieces : 20 PackageLevel : unit PartNumber : 319-720 ProductDescription : Specification: Item Type: Thread Repair Material: SUS304 Model: x 1.25 Thread Specification: x 1.25 Outside Diameter Before Installation: Approx. 14.3-14.8mm / 0.56-0.58in Drill Bit Diameter: Approx. 12.3mm / 0.5in 1D Length After Installation: Approx. 12mm / 0.5in Number of Turns Before Installation: 7.5 1.5D Length After Installation: Approx. 18mm / 0.7in Number of Turns Before Installation: 11.8 2D Length After Installation: Approx. 24mm / 0.9in Number of Turns Before Installation: 16.1 2.5D Length After Installation: Approx. 30mm / 1.2in Number of Turns Before Installation: 20.3 Wire Thread Insert Model Description: For Example: M3 x 0.5 x 1.5D, which means that after the screw set is completed, the female thread is M3, the pitch is 0.5, and the length is 1.5D (length is 1.5 times the diameter, that is, 1.5 x 3=4.5mm ), the length here refers to the length after installation. Wire thread inserts are also called threaded sheaths, stainless steel threaded sleeves, wire sleeves, and braces. They are a new type of internal threaded fasteners made of high-strength, high-accuracy -shaped cross-section steel wires; Application to low-strength engineering materials such as aluminum alloy, zinc alloy, copper, plastic, etc., can significantly improve thread strength and wear .