ER50 Collet

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Get a better grip with the ER50 Precision Collet. This collet is designed for greater gripping force, allowing you to work with more precision and accuracy. The ER50 Collet is made of high-grade steel and is compatible with most milling machines, ensuring reliable performance and long-lasting durability.

ER50 series collets have a capacity of .218-1.339 inches. Each ER50 collet has a range of .078 inches(2mm). ER50 collets .500 and smaller have a range of only .039 inches. The ER50 collet size is indicated on the collet is the largest size it can hold and can be collapsed smaller.

We STOCK and SHIP ER50 collets

MATERIAL: High Grade 1065 Carbon Steel
Run-Out Tolerance: 0.015MM (0.006")

Available ER50 Sizes:


  • 1/2" ER50,
  • 9/16" ER50
  • 5/8" ER50,
  • 11/16" ER50
  • 3/4" ER50,
  • 7/8" ER50,
  • 1.00" ER50,
  • 1 1/16" ER50
  • 1-1/4" ER50