Specification Brand : uxcell BulletPoint1 : Thread Size: (d) M8/ 0.3"; Product Name: Rivet Nut; Material: Carbon Steel, Zinc Plated BulletPoint2 : Weight: 126g; Package Content: 20 x Rivet Nuts; Main Color: Bronze Tone BulletPoint3 : Flange Size (dk*k): 15 x 1.6mm/ 0.6" x 0.063" (D*Thickness); Thread Pitch: 1.25mm BulletPoint4 : Total Length (L): 18mm/ 0.7"; Hex Body Size (M): 11mm/0.43" BulletPoint5 : Application Hole Size: 9.5mm/ 0.37"; Round Body Diameter (D): 11mm/ 0.43" Color : Silver DriveSystem : External Hex ExteriorFinish : Carbon Steel,Zinc ExternallyAssignedProductIdentifier1 : 712662270898 ExternallyAssignedProductIdentifier2 : 0712662270898 ExternallyAssignedProductIdentifier3 : 00702105347584 FinishType : Bronze GpsrSafetyAttestation : 1 GradeRating : aerospace ItemName : uxcell® 20pcs M8x18mm Carbon Steel Half Hex Body Insert Rivets Nuts Nutserts Fasteners ItemPackageDimensions_Height : 17.78 centimeters ItemPackageDimensions_Length : 1.27 centimeters ItemPackageDimensions_Width : 13.97 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hardware-nut-and-bolt-sets Manufacturer : uxcell Material : Steel MeasurementSystem : Metric MetalType : Aluminum MetalType1 : Carbon Steel MetalType2 : Bronze ModelNumber : a15072400ux0487 NumberOfPieces : 20 PartNumber : a15072400ux0487 ProductDescription : Description: Flat head cap screws, M8 female thread diameter, 18mm total length, zinc plated surface,carbon steel half hex body insert rivets nuts. These half hex body nutserts have large flange to provide increased strength in punched and drilled holes. Blind threaded inserts are designed to provide strong threads in thin panel sections. They are called blind because they can be installed from one side of the panel. Access to both sides is not required. That is why these fasteners are ideally suited for tubing, extrusion, and other similar types of applications.