Vortex 5C Metric Lathe collet - Round Bore - 21mm End Mill Holders Shank diameter: 8 mm

Shank diameter: 8 mm

5 Micron Run-Out: Ultra-tight concentricity translates to tighter tolerances

minimizing runout and ensuring repeatable results across multiple pieces

increasing tool life during demanding profiles

Unequal Index 5-Flute Design for Efficient Chip Evacuation: The staggered flute spacing enhances chip breakup and evacuation

Vortex 5C Metric Lathe collet - Round Bore - 21mm End Mill Holders Shank diameter: 8 mmThe Vortex 5C Metric Lathe Collet Round Bore 21mm is a soft 5C boring collet designed to be bored to a precise size, depth, taper, or shape to match your component. It uses a round 21mm bore and integrates with a standard 5C lathe collet chuck to hold workpieces securely during machining. Ideal for engineers, machinists, hobbyists, and shop technicians, this collet provides the flexibility to tailor a hold for each part. Its 1315 micron runout