Detailed Product Description Electrical Contact Rivets, Bimetal rivets, Tri-metal rivets, Sliver Contacts, Electrical Contacts, Smei-tubular Rivet, Switch contact,copper rivets, etc.:1.Head diameter: D 2mm -8mm2.head thickness: T 0.4-2 mm3.Silver thickness: S 0.15-solid4.tail diameter d 1.5- 7mm5. Tail length: L 1.0-4.0mm6. Spherical radius: SR 4-25 degree 7. Demoulding angle: 10-12 degree8. ...