Belt drive upgrade for Sieg X1 micro mill : Machinists
Belt drive upgrade for my Sieg X1 micro mill. Runs much quieter than the stock gearbox! Looks better too! Maximum measured spindle speed is ~2850, ~1750, and ~950 RPM respectively. Will definitely help with the smaller drills and endmills (smallest endmill I have is a 2flute 3/32)