Specification AgeRangeDescription : Kid Brand : uxcell BulletPoint1 : [SIZE] - M2.5x0.45mm thread size, 0.16" (4mm) long, 0.138" (3.5mm) outer diameter ,OD tolerance: +0.02"/0". BulletPoint2 : [MATERIAL] - Made of brass, rust resistance, good thermal conductivity and heat resistance, can ensure long time using. BulletPoint3 : [FEATURE] - Can be installed by ultrasonic or heat into thread tapered hole, or in during injection. BulletPoint4 : [ADVANTAGE] - No need to counterbore or countersink the boss hole since the insert has guide pilot. BulletPoint5 : [APPLICATION] - Widely used on injection for fastening. Color : Assorted CompatibleGrooveDiameter : 0.25 inches CustomerPackageType : Standard Packaging DriveSystem : Spline EducationalObjective : Team Building Skills ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 821641118158 ExternallyAssignedProductIdentifier2 : 0821641118158 FinishType : Brass GpsrSafetyAttestation : 1 GradeRating : commercial IncludedComponents : 25 PCS ItemName : uxcell Knurled Insert Nuts, M2.5 x 4mm(L) x 3.5mm(OD) Female Thread Brass Embedment Assortment Kit, 100 Pcs ItemPackageDimensions_Height : 13.97 centimeters ItemPackageDimensions_Length : 1.016 centimeters ItemPackageDimensions_Width : 9.652 centimeters ItemPackageQuantity : 1 ItemShape : Cylindrical ItemTypeKeyword : hardware-nut-inserts Manufacturer : uxcell Material : Brass MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Brass MetalType1 : Zinc MetalType2 : Bronze ModelNumber : a19030600ux0327 NumberOfBoxes : 1 NumberOfItems : 25 NumberOfPieces : 100 OperationMode : Manual PartNumber : a19030600ux0327 PowerSourceType : Manual ProductDescription : - These Knurl Thread Insert Nut can be widely used on the injection for tightly fixing. - Can be installed by ultrasonic or heat into blind hole, or in during injection. - No need to counterbore or countersink the boss hole since the insert has guide pilot. - Made of brass material, good thermal conductivity and heat resistance.