<h1>Input-output norms restrict PCB drill imports to specified components and require imported goods match declared export use.</h1> Input-output norms prescribe permitted inputs and component specifications for PCB drills, listing dimensions and tolerances for composite blanks, stainless steel shanks and tungsten carbide pins, and identifying allowable ancillary inputs such as flute grinding wheels and processing solutions up to a capped proportion of FOB value; applicants must ensure imported goods are those actually used or required in the exported product.