VEVOR CAT40 Collet Holder ER 16/32 Set, 35 PCs, SLN FMB ER16/32 APU Tool Holders Spring Steel Chucks with 10 Pull Studs and 3 Wrenches, for Milling Machine Drill Presses Boring

This CAT40 collet holder and ER spring collet chuck set delivers high-precision performance for milling and drilling applications. Crafted from sturdy 40Cr and 45# alloy steel, the collection includes SLN, FMB, ER16, and ER32 holders designed for reliable rigidity and long service life across machining tasks. The system features balanced assemblies with tight tolerances to ensure consistent concentricity during high-speed operation, supporting applications in aerospace, automotive, medical equipment, and electronics. The set is designed to be compatible with standard ER spring collet chucks and incorporates practical accessories to facilitate installation and interchangeability. Durable, versatile, and engineered for demanding environments, it addresses deformation resistance and maintains rigidity even under high-speed milling and grinding conditions. The assembly includes multiple collet sizes and a range of pull studs and wrenches to support secure tool changes and quick releases where needed.

Features

• 35-piece CAT40 set with SLN, FMB, ER16 and ER32
• 10 ER16 and 12 ER32 collet chucks included
• TIR: 0.0002 in/5 μm for SLN, FMB; 0.0006 in/15 μm for ER
• Dynamic balance: G2.5/25000 RPM
• Materials: 40Cr and 45# alloy steel, hardened
• Includes 10 pull studs and 3 wrenches