Specification Brand : Generic BulletPoint1 : Product Name : Hollow Copper Rivet;Material : Brass Plated Metal BulletPoint2 : Color : Gold Tone;Head Dia : 5mm/0.19'' BulletPoint3 : Total Size : 5mmx4mm(Dmax x H);SIze : M4x4mm (Dmin x H) BulletPoint4 : Weight : 24g BulletPoint5 : Package Contents : 200(+/-2%)Pcs x Hollow Copper Rivet Color : Multiple Colors ItemName : Qtqgoitem 200pcs M3x4 Through Hole Rivets Hollow Grommets PCB Circuit Board (model: 100 75b dc5 aec 81b) ItemTypeKeyword : push-in-rivets Manufacturer : Qtqgoitem Material : Composite ModelNumber : 10075bdc5aecc81b7d472adc0f9110 PartNumber : 413e394f-f8ee-550fc1dfb2ab62 ProductDescription : 200pcs M3x4 Through Hole Rivets Hollow Grommets PCB Circuit Board Instructions: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. ProductSiteLaunchDate : 2022-11-29T07:00:21.916Z Size : Small Style : Wire Collated UnitCount : 1 UnspscCode : 52140000