Specification Brand : uxcell BulletPoint1 : [SIZE] - M3x0.5mm thread size, 0.24" (6mm) long, 0.16" (4mm) outer diameter. 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. BulletPoint6 : 【GOOD SERVICE】We are committed to providing customers with high-quality products. If within 30 days you are not 100% satisfied with the product, such as buying the wrong size, please feel free to contact us, we will within 24 hours provide you with a satisfactory solution. Color : Golden DriveSystem : Spline DriveSystem1 : Internal Hex DriveSystem2 : External Hex ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 0744337418687 ExternallyAssignedProductIdentifier2 : 744337418687 FinishType : Brass GpsrSafetyAttestation : 1 ItemName : uxcell Knurled Insert Nuts, M3 x 6mm(L) x 4mm(OD) Female Thread Brass Embedment Assortment Kit, 50 Pcs ItemPackageDimensions_Height : 12.7 centimeters ItemPackageDimensions_Length : 0.508 centimeters ItemPackageDimensions_Width : 9.652 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-nut-inserts Manufacturer : uxcell Material : Brass MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Brass MetalType1 : Zinc MetalType2 : Bronze ModelNumber : a19030600ux0367 NumberOfBoxes : 1 NumberOfItems : 421 NumberOfPieces : 50 PartNumber : a19030600ux0367 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.