650X Spindle Series

Get nonstop power and precision with the double turbine 650XJS (3/4” / 20mm Straight Shank) – 25,000 to 40,000 rpm, < 1.40 hp (1.04 kW).The patented governor-controlled high power 650X maintains constant high speed for trochoidal milling in hard materials and cuts your cycle times dramatically. Double front ceramic bearings, cooled by turbine air, make this spindle robust and reliable. Mill 24/7 with No Duty Cycle and No Thermal Expansion. Eliminates secondary finishing. Selectable rear or side air feed on each spindle. Automatic Loading from the magazine on all machines.

650XJS Specifications
Speed RPM25,00030,00040,000
Power Rating hp (Kw)1.2 (0.90)1.3 (.98)1.4 (1.04)
Inlet Air Pressure90 PSI (6.2 Bar)
Air Consumption Idle cfm (l/s)16 (7.56)17 (8.02)18 (8.49)
Air Consumption Working Flow (l/s)19 (8.97) - 40 (18.89)
Sound LevelLess Than 78 dBA
Max Shank CapacityER 11 - 1/4” (6mm)
Spindle Weight75.2 oz (2.13 kg)

650XJS Dimensions

650XJS Dimensional Drawing
650XJS Dimensions
A0.87” (22mm)
B3.23” (82mm)
C6.26” (159mm)
D8.23” (209mm)
E1.62" (41mm)


Included Equipment

Combo Filter Extractor (p/n #30084)
Plug (for alternate air inlet not in use)
Carrying Case

Standard Equipment

ER 11 collet system (1/4” or 6mm collet standard – other sizes optional). 3/4” or 20mm shank standard (Metric Shank comes with metric collet, Inch Shank with inch collet). Oil-free 90 psi / 6.2 bar, clean, dry air supply required.

Accessories ModelsPart #
High Flow Filter / Regulator / Extractor with 1/2” NPT30084
Tube 16mm O.D. - 10mm I.D. (order by foot)16516
Hose & Fitting - 16mm O.D. - 10mm I.D. - 12’30047

We retrofit any CNC machine to mill at a constant high speed 24/7 – so any CNC can be a high-speed machine. This includes, but isn’t limited to DMG MORI, Haas, Fanuc Robodrill, Doosan, Hermle, Hurco, GROB, Brother Okuma, Makino and Mazak. Easy installation using selectable air feed inlets – choose side inlet NPT / Stop Block or center through shank/tool holder air feed. HSK, CAT, BT, and DIN Toolholder options are available. Learn more about Air Turbine Spindles on your CNC Machine by visiting their page at the links below.

ER11- 1/4"ER11- 6mm
Speed RPMPart #Speed RPMPart #


650XJS Ribbing and Pocketing Steel Grinding Wheels on Mazak CNC

Service & Support

Support is always available from our technical team in the USA, Germany and Mexico. Repair Service is available in Florida and Munich.

Call our factory technicians at +1-561-994-0500 or email us at [email protected].