Sieg SX1 Micro Mill Metal Gears – PointyBoots
Aug 18, 2018· The popular Sieg SX1 milling machine gearbox is made up of what seem to be glass fiber reinforced nylon gears. Tough for plastic, but not compared to steel. They are the white gears in the picture. As you can see I have missing teeth and, if you look closely at the gear on its edge,.