T-Slot Nuts

What is the proper way to dimension a circular slot as shown below Did you speak to the person who will be doing the milling? The dimensions

Shipment Dimensions , 8 x 30 x 40 Motherboard, Mini-ITX, Deep-ITX CPU Cooler Support, 48mm max height with GPU 53mm max height with 3-Slot GPU

slot vin Standard Graphics Card Dimensions Length Height Width 2-Slot Thermal and Power Specs Maximum GPU Temperature 94 Maximum Graphics

slot angka v slot linear rail dimensions,In the retail sector, slotted square tubing is commonly utilized for creating displays and shelving units