Specification Brand : uxcell BulletPoint1 : Product Name: Hollow Rivet; Material: Brass Plated, Metal BulletPoint2 : Weight: 18g; Package Content: 100(+/-2%) x Hollow Rivet BulletPoint3 : Main Color: Gold Tone BulletPoint4 : Overall Size: 5 x 5.6mm/0.2" x 0.22" (Max.D*H) BulletPoint5 : Hole Size: 3 x 5mm/0.12" x 0.2" (D*L) BulletPoint6 : Black phosphate steel BulletPoint7 : Quantity per pack: 1LB Color : Black DriveSystem : Phillips ExteriorFinish : Black Phosphate ExternallyAssignedProductIdentifier1 : 0602451582243 ExternallyAssignedProductIdentifier2 : 602451582243 ExternallyAssignedProductIdentifier3 : 00008236546682 FinishType : Black Zinc Plated GpsrSafetyAttestation : 1 GradeRating : industrial IncludedComponents : Rivets ItemDisplayWeight : 2.2 kilograms ItemName : uxcell 3mm x 5mm Through Hole Rivets Hollow Grommets PCB Circuit Board 100pcs ItemPackageDimensions_Height : 12.6 centimeters ItemPackageDimensions_Length : 0.7 centimeters ItemPackageDimensions_Width : 9.8 centimeters ItemPackageQuantity : 1 ItemShape : Irregular Shape" Or "Na ItemTypeKeyword : solid-rivets Manufacturer : uxcell ManufacturerGrade : Grade 304 Material : Brass Plated, Metal MeasurementSystem : Imperial MetalType : Alloy Steel ModelName : RENO6025 ModelNumber : a16032800ux0879 NumberOfItems : 1 NumberOfPieces : 2000 PackageLevel : unit PartNumber : a16032800ux0879 PowerSourceType : With Manual Feed ProductDescription : Description: Simply drill a hole slightly larger than the outside diameter of your via of choice and insert the via. Via can easily be ground down if required to the desired length and center punched on the shaft side of the circuit board to spread that side of the shaft. After this it can be soldered into place or whatever you might wish to do. Alternately, you may choose to even grind off the head and you will be left with an extremely discrete shaft only. Tip:If you wish to grind these down you can either use sandpaper or a rotary tool such as a can be used with a sanding drum attachment (not included here ) ! Dimension: