Quality Pull Stud / Retention Knob Used On MAZAK and FADAL CAT40 CNC Drill and Mill Machine Center
With Coolant Through Hole
Pass hardness and anti crack test
Can be used on both spindle coolant through and non-coolant through MAZAK and FADAL
We use Quality Alloy Steel that is better than 8620 in terms of strength and flexibility.
8620 is for medium-strength applications and less expensive, we'll beat that on both strength and flexibility
Strength comes from steel itself, and flexibility is from case hardened
we don't over describe all our items
Professional heat treated. Bad nor non heat treat will shorten and weaken the life and strength of pull stud
5/8-11 Threads Fits On Any Name Brand CAT40 Holders
Retention knob will fit on most of mazak cnc cat40 except VQC 20/40.
On FADAL, will fit on most of VMC models, however, can't guarantee on others.