2 Pcs 1/8" PT x 10/30/50mm Coolant Pipe Adjustable 304 Stainless Steel Screw-in Coolant Nozzle High-Pressure Water Oil Cooling Tube for Lathe, Milling, CNC Machine (30mm) 30 mm industrial_Aug2024_update You could give up OR

You could give up OR you could just get this handy PWM and Servo driver breakout

prevent them from leakages

Step down feature allows for wire entrance in both top and bottom of box

and aging-resistance

2 Pcs 1/8" PT x 10/30/50mm Coolant Pipe Adjustable 304 Stainless Steel Screw-in Coolant Nozzle High-Pressure Water Oil Cooling Tube for Lathe, Milling, CNC Machine (30mm) 30 mm industrial_Aug2024_update You could give up OR2 Pcs 1 8" PT x 10 30 50mm Coolant Pipe Adjustable 304 Stainless Steel Screw in Coolant Nozzle High Pressure Water Oil Cooling Tube for Lathe, Milling, CNC Machine (30mm) PGFUN 2 Pcs 1 8" PT x 10 30 50mm Screw in Bolt Type 304 Stainless Steel Coolant Nozzle for Lathe, Milling, CNC Machine, etc. High pressure Heavy Duty Coolant Nozzle: the nozzle made of 304 stainless steel, which can bear stronger water pressure and stand stablely for precision