ER Collet Holders

Features :

• Accuracy : 5 Micron or 0.0002" TIR or better
• At3 Class Taper Accuracy
• Through-tool coolant feature is standard
• H5 bore tolerance for optimum surface contact with cutting tool
• ER Collet Nuts are Power Coated for increased clamping force due to reduced friction
• High precision pilot holes
• Hardness: HRC 56-58
• Carbon depth: 0.8mm +- 0.2mm
• Surface Roughness: Ra<0.005mm
• Crafted from case hardened alloy steel
• Balanced G6.3 @15000RPM
• Balanced G2.5 @25000RPM