Specification Brand : uxcell BulletPoint1 : Product Name: Hollow Rivet; Material: Brass Plated, Metal BulletPoint2 : Weight: 24g; Package Content: 100(+/-2%) x Hollow Rivet BulletPoint3 : Main Color: Gold Tone BulletPoint4 : Overall Size: 5 x 8.5mm/0.2" x 0.33" (Max.D*H) BulletPoint5 : Hole Size: 3 x 8mm/0.12" x 0.3" (D*L) Color : Brass ConnectorType : Elbow DriveSystem : Slotted ExteriorFinish : Copper ExternallyAssignedProductIdentifier1 : 709874133660 ExternallyAssignedProductIdentifier2 : 0709874133660 ItemName : uxcell® 3mm x 8mm Through Hole Hollow Rivets Grommets Circuit Board PCB Nails Fastener 100pcs ItemPackageDimensions_Height : 10.9 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 9.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mechanical-control-cable-accessories Manufacturer : uxcell Material : Brass Plated, Metal MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Copper ModelNumber : a16032800ux0883 NumberOfItems : 6 NumberOfPieces : 100 PartNumber : a16032800ux0883 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 acan be used with a sanding drum attachment (not included here ) ! Dimension: