... 1.material: brass,steel,aluminum 2.surface: zinc,nickel,chrome 3.free sample 4.after-sales service Specifications of steel Semi ... 1) Steel 2) Brass4 Diameter: 3.2mm, 4.0mm, 4.8mm, 6.4mm, (1/8'', 5/32'', 3/16'', 1/4'')5 Length ... : RivetGauge“A” RivetDia“B” HeadDia“C” Hole inMaterial“C” DrillSize “D” Riveting AllowanceSteelCopperAlumRivetGauge181.22 / 1.172.62 / 2.461.32 / 1 ...