Riser Clamp Bolt Diameter 5/8 in Bolt Length 5/8 in Clamp Material Steel Clamp Material Finish Not Applicable For Pipe Size 8 in Load Capacity 2 500 lb Mounting Hole Diameter 0.625 in Overall Length 18.5 in Overall Width 1 1/2 in For Use On Conduit Pipe Maximum Operating Temperature 450 Degrees F Standards ANSI/MSS SP-69 cUL Listed A-A-1192A Type 8 MSS SP-58 Type 8 UL Listed WW-H-171-E Type 8 Bolt Center-to-Center Length 12 in Cushion Material No Cushion Cushioned No