NIKKEN Power Milling Chuck CAT50-C1 1/4H-105U with 3/8 Collet & Spanner Wrench. Bore Depth: 2.530" in to 4.130".
Collet Type: Milling Chuck Sleeve. Clamping Range: 3/16" to 1-1/4". Projection: 105.00mm (4.133).Less Than 0.0002 in. Features: 140% More Bearing Surface than Competitor Milling Chucks for Quiet and Stable Heavy Milling. Nut Body Contact, Nose Clamping and Anti-Vibration Mechanism.
Thick Body and Internal Slots Provide Extremely Strong Chucking Torque and Rigidity. Chipped, but still functions as it should.
For Use with Milling Chuck Holders.