Mini horizontal hand-cranked rotating chuck bearing steel through hole 16/22 mm aluminium alloy structure for forward and reverse claws

Specification:

Through Hole: 22mm Precision Bored
Clamping Range:
Forward Jaws: 2-70mm
Reverse Jaws: 40-110mm
Minimum Internal Expansion: 30mm
Center Height: 106mm (±0.01mm Tolerance)
Mounting Standard: Flange Interface
Material
Main Body: 6061-T6 Aluminum
Transmission: Chrome Steel Gears
Dimensions: 140(L) × 80(W) × 156(H) mm
Weight: 3.4KG

Features:

High-Precision Machining - Flange-mounted design ensures stable operation with micron-level accuracy.
Ergonomic Operation - Smooth manual rotation with optimized damped resistance (30% force reduction).
Multi-Scenario Compatibility - Extended center height (106mm) accommodates oversized workpieces.
Dual Clamping System - Interchangeable forward/reverse jaws for 2-110mm gripping range.
Industrial-Grade Construction - Steel transmission shaft + aerospace-grade aluminum body (3.4kg load capacity).

Applications:

Bench Lathe Fixturing
CNC Machine Secondary Positioning
Watchmaking & Precision Instrument Repair
Educational Engineering Models
DIY Woodturning Projects