PBC Linear NIPDM12 0150 SL Pre Drilled Linear Shaft, Polished Carbon Steel, 12 mm Dia, 150 mm Lg AX6030 4 in to 5 in 4 in to 5 in For Minimum Ground Conductor Wire Size 4 AWG For Maximum Pipe Size 5 in For Maximum Ground Conductor Wire Size 4 0 AWG Overall Length 1 3 4 in For Minimum Pipe Size 4 in Overall Height 7 1 2 in Overall Width 7 1 2 in Conductor Copper Str Size Range 36620 Dimension B Length inch 1 these screws are the standard for high strength fastening 89 kg Series NIPDM Mounting Hole Center to Shaft End 60 mm Roughness 8 12 uin RMS End Type Plain Ends Core Type Solid Country of Origin United States End Type Plain Ends