ER Collet Nut – Type UM CNC Tool Holder Replacement Part
High precision | Secure clamping | Universal compatibility
Product Description:
High-quality replacement ER collet nut (Type UM ), engineered for accurate and reliable clamping of cutting tools in CNC operations. Made from hardened and ground alloy steel, this nut ensures excellent concentricity and durability during high-speed machining.
Compatible with standard ER collets (DIN 6499 / ISO 15488)
Precision threading for smooth engagement
Secure fit without damaging the collet
Suitable for CNC spindles and tool holders (BT, ISO, HSK, SK, etc.)
Technical Specifications (Example: ER32 UM):
Feature Details Type ER32 UM Collet Nut
Material Hardened and ground alloy steel
Standard DIN 6499 / ISO 15488
Clamping Manual or wrench-assisted
Compatibility CNC tool holders using ER collets
Rotation supported Right-hand (standard) or L/R versions available
Key Benefits:
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Fast replacement of worn or damaged nuts
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High centering precision
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Ideal for professional CNC milling, turning, drilling
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Available in special versions (with bearing, left/right rotation)
Package Includes:
