Specification 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 : A DriveSystem : Spline ExteriorFinish : Brass ExternallyAssignedProductIdentifier : 7707250170226 FinishType : Brass GpsrSafetyAttestation : 1 ItemDisplayDimensions_Height : 0.31 inches ItemDisplayDimensions_Length : 0.98 inches ItemDisplayDimensions_Width : 0.31 inches ItemDisplayWeight : 0.03 pounds ItemName : uxcell Knurled Insert Nuts, M2.5 x 4mm(L) x 3.5mm(OD) Female Thread Brass Embedment Assortment Kit, 30 Pcs ItemPackageDimensions_Height : 13 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemTypeKeyword : hardware-nut-inserts Manufacturer : uxcell Material : Brass MetalType : Brass ModelNumber : a19030600ux0325 NumberOfItems : 1 PartNumber : a19030600ux0325 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.