Precise Pro-Series High Speed, Balanced BT 40 ER-32 Collet Chuck - 3900-8620

• Made of 20CrMnTi alloy steel
• Electrolysis nickel coating
• Balanced to 18,000 RPM
• Tolerance is .0003" Maximum
• M16x2.0 Drawbar
• Superior Finish & Craftsmanship

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