CAT Face mill arbor (Shell mill arbor)
• Compatible with all face mills
• Taper ground to AT3 specification for maximum spindle contact
• H6 arbor tolerance for less chatter
• Coolant thru capability
• Pull stud thread is 1”-8
HRC52-58
Material:20Crmnti
Runout 0.003mm
Both Form AD or AD/B can be provided
Balanced G6.3 15000rpm or G2.5 25000rpm