4kw Air cooled square spindle (ER20/25)
These square/rectangular spindles are typically used in commercial CNC routers due to their sturdy mounting platform, rigid design and surprizingly low run out. They have 4 carbon steel ball bearings supporting the spindle shaft providing a run out less than 0.01mm.
The power connector used on these spindles is extremely sturdy and has a locking clasp for reliability.
The 0.8 and 1.5kw version of these spindles accept ER11 collets. The 2.2kw version and greater use ER20 collets.
Runout out: less than 0.01
Under Australian law, these kits require installation by a licensed electrician or certified person who can test if the product is safe for use. Failure to provide a proof of receipt from a licensed electrician will void any warranty on your purchase.
This product may be shipped directly from our quality controlled suppliers factory to your door depending on our stock levels. Check our shipping facts HERE