The ER11 Collet 3.175mm is a high-precision tool holding collet designed for securely clamping 3.175mm (1/8 inch) shank cutting tools. Manufactured from hardened spring steel, it delivers excellent concentricity, strong gripping force, and long service life, making it ideal for CNC routers, engraving machines, and high-speed spindle motors.

Key Features:

• High Precision Clamping: Ensures low runout for smooth and accurate machining
• Strong Gripping Force: Securely holds 3.175mm (1/8") shank tools without slipping
• Hardened Spring Steel Construction: High strength, wear resistance, and durability
• Standard ER11 Compatibility: Fits all ER11 collet holders and nuts
• Smooth Surface Finish: Reduces vibration and improves cutting performance
• Quick Tool Changes: Easy installation and removal

Specifications:

• Collet Type: ER11
• Clamping Size: 3.175mm (1/8 inch)
• Material: Hardened spring steel
• Accuracy: High concentricity (≤0.01mm typical)
• Application: Engraving, milling, drilling, routing
• Compatibility: ER11 collet chuck and nut

Applications:

• CNC engraving and carving machines
• PCB milling and drilling
• Wood, plastic, acrylic, and soft metal machining
• DIY CNC and professional CNC setups