Specification Brand : Hyuduo BulletPoint1 : [High Quality] Our inserts are made of 303 stainless steel, it does not rusty, and is designed for long service time. BulletPoint2 : [Specifications] This insert has M8 x 1.25 internal threads and M10 x 1.5 external threads. The length of the insert is 12mm / 0.5in, and the diameter of bottom hole is 9mm / 0.4in. BulletPoint3 : [Install Method] To install this nuts, simply drill a hole and thread the insert into place straight with a bolt/jam nut or power drive tool. BulletPoint4 : [Steel Insert] Our stainless steel threaded inserts is for hard wood such as oak and cheery. It significantly reduce the possibility of stripping when using a threaded fasteners hard wood working piece. BulletPoint5 : [Wide Range of Applications] This steel threaded insert is suitable for furniture projects such as making cabinet, windows and wardrobe. DriveSystem : Slotted ExteriorFinish : Stainless Steel,Steel FinishType : Finish GradeRating : Industrial ItemName : 10 PCS Threaded Insert, Stainless Steel Knife Threaded Nuts, Threaded Bolts with Female M8 X 1.25 and Male M10 X 1.5 Thread for Furniture Projects, Fastener ItemPackageDimensions_Height : 22.5 centimeters ItemPackageDimensions_Length : 1.5 centimeters ItemPackageDimensions_Width : 3.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-nut-inserts Manufacturer : Hyuduo Material : Stainless Steel MetalType1 : Stainless Steel MetalType2 : Alloy Steel NumberOfItems : 1 NumberOfPieces : 10 PartNumber : Hyuduowt0gb82o561240 ProductDescription : Specification: Item Type: Insert Nut Material: 303 stainless steel Specification: Female Thread M8 x 1.25 Male Thread M10 x 1.5 Length: Approx. 12mm / 0.5in Bottom Hole: 9mm / 0.4in Slotting: Small Slot Application: Thread repair Case: For example, if the M8 thread is slippery, and if you want to continue to use the M8 thread after the restoration, use this method to first expand the M8 thread to the M10 thread, and then use the M8-M10-12 length reducer to change it back to M8, because the material of this reducing diameter is stainless steel, it will make the M8 thread more firm