Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D5GRADECQ2 found under Cutter Bit Tool Holder by Rogers Tool Works Inc. The National Stock Number assigned to this part is 3455004386842, and the Federal Supply Class is 3455 Cutting Tools For Machine Tools. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D5GRADECQ2.