625JS

625 Spindle Series

The versatile and reliable 625JS (3/4” / 20mm Straight Shank) delivers governed constant high speeds under load – 30,000 to 65,000 rpm, < 0.50 hp (0.37kW). Speed up your cycle times and reduce tool breakage with the compact 625 Series. Ideal for mold making, milling, and finishing with small tools up to 1/4” / 6mm capacity. Only 2 moving parts and air circulation over] the bearings, resulting in no heat. Get the reliability of direct-drive milling with no duty cycle and no thermal expansion. Selectable rear or side air feed.

625JS Specifications
Speed RPM30,00040,000 50,00065,000
Power Rating hp (Kw)0.40 (0.30) 0.45 (0.34)0.50 (0.37)0.55 (0.41)
Inlet Air Pressure90 PSI (6.2 Bar)
Air Consumption Idle cfm (l/s)10.5 (4.9)11 (5.2)11 (5.2)11 (5.2)
Air Consumption Working Flow (l/s)11 (5.2) - 20 (9.4)
Sound LevelLess Than 78 dBA
Max Shank CapacityER 11 - 1/4” (6mm)
Spindle Weight49.6 oz (1.41 kg)

625JS Dimensions
A 0.87” (22mm)
B 2.24” (57mm)
C 5.12” (130mm)
D 7.09” (180mm)

Spindle, combo filter extractor (p/n #30008), collet, wrenches, hose and fittings, plug (for alternate air inlet not in use) and carrying case. 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 Models Part #
High Flow Filter / Regulator / Extractor 30008
Tube 10mm O.D. – 6.5mm I.D. (order by foot) 16508
Hose & Fitting – 10mm O.D. – 6.5mm I.D. – 12’ 30043

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.

Brother LogoDMG Mori LogoHaas LogoHermle LogoFanuc LogoDoosan LogoGrob LogoHurco Logo
ER11- 1/4″ ER11- 6mm
Speed RPM Part # Speed RPM Part #
30,000 63020 30,000 63021
40,000 63022 40,000 63023
50,000 63024 50,000 63025
65,000 65132 65,000 65133

Video

Brass Milling at 500”/min on Haas VM2 by Air Turbine Spindles® 50,000 rpm 625JS

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].