Big Mouth II Air Chuck — CNC Lathe

The Big Mouth II is a high-force pneumatic power chuck featuring an oversized through-bore that accommodates large-diameter bar stock and near-net forgings without reducing gripping force.

• Delivers up to 18,000 N of clamping force at 90 PSI
• Rated for spindle speeds up to 4,500 RPM
• Sealed master jaw slides prevent coolant and chip ingress that causes premature wear
• Short body design maximizes bar feed clearance for continuous operation with ATS bar feeder systems
• Ideal for aerospace titanium, inconel, and stainless steel turning applications

Oversized bore. Maximum grip. Built for the hardest materials in aerospace turning.