ER Round Lock Nuts for ER Collet Chucks
ER round lock nuts secure compatible ER spring collets in ER collet chucks used for milling, drilling, reaming and precision toolholding. This family includes 5 round-style lock nuts covering ER16, ER20, ER25, ER32, ER40. Select the correct ER size, nut style and thread specification for your chuck; consult the comparison chart for each available part number, dimensions and recommended torque range.
ER round lock nuts secure compatible ER spring collets in ER collet chucks used for milling, drilling, reaming and precision toolholding. This family includes 5 round-style lock nuts covering ER16, ER20, ER25, ER32, ER40. Select the correct ER size, nut style and thread specification for your chuck; consult the comparison chart for each available part number, dimensions and recommended torque range.
Specifications & Tolerances
- HIGH QUALITY STEEL: Made of High Quality Chromium STEEL..
- SECURE COLLET CLAMPING: Designed to provide consistent clamping force for securely seating and tightening ER collets in compatible ER collet chucks.
- PRECISION MACHINED: Precision machined threads and contact surfaces provide smooth engagement and reliable tightening during repeated tool changes.
- DURABLE CONSTRUCTION: Hardened, wear-resistant construction stands up to repeated tightening and loosening in demanding machining environments.
- STANDARD ER COMPATIBILITY: Designed for use with standard ER collet chuck systems and the corresponding ER-size spring collets.
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Applications
- CNC MACHINING: Ideal for securing ER collets and cutting tools in CNC mills, machining centers, and other ER collet chuck applications.
- MILLING & DRILLING: Provides secure collet retention for end mills, drills, reamers, and other round-shank cutting tools.
- PRECISION TOOLHOLDING: Helps maintain consistent collet seating and clamping force for accurate, repeatable machining operations.
- PRODUCTION & JOB SHOP USE: Built for frequent tool changes and everyday use in production machining, fabrication, and general machine shop environments.
- ER TOOLING REPLACEMENT: Ideal as a replacement lock nut for compatible ER collet chucks when the original nut becomes worn or damaged.
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