Quality Pull Stud / Retention Knob Fits on any HAAS CAT40 CNC V Mill
With Coolant Through Hole
Pass hardness and anti crack test
Can be used on both spindle coolant through and non-coolant through HAAS CAT40 V mill
Fits on any HAAS V mill, like VF, mini mill, EC, ES, etc.
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
All black oxide . Improves durability. Extends part life. Reduces distortion from heat treat
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