Standard ER20 Collets

$10.00
Shipping calculated at checkout.
Size
7 in stock

Pickup available at Headquarters

Usually ready in 2-4 days

Standard Precision ER20 Collet for CNC Spindles
Reliable, affordable tool holding for everyday CNC work.

Our standard-precision ER20 collets are a dependable choice for woodworking, routing, and general CNC applications. Designed to provide solid clamping force and consistent performance, they are ideal for spindle setups and ATC systems that use ER20 tooling.

With ±0.0004" (±0.01mm) runout, these collets offer excellent accuracy for most woodworking and routing tasks while keeping costs practical for day-to-day use.

Key Features

  • Standard precision for general CNC applications
  • ±0.0004" (±0.01mm) runout
  • Compatible with ER20 spindle systems
  • Suitable for manual tool changes and ATC setups
  • Great for woodworking, carving, and router-based projects

Best Practices

  • Always match the collet size to your tool shank
  • Keep the collet and nut clean for best performance
  • Replace worn collets as needed
  • Do not overtighten

Note: For tighter tolerances and lower runout, check out our High-Precision ER20 Collets.

Customer Reviews

Based on 21 reviews
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100.0
95.2
G
Garry Strout

🔩 ER Collets – ER11, ER16, & ER20

R
Rick Brinser

We have many of your collets. Its just that donna or spencer usually order.
Bottom line- we have had very good success with them

r
rick rackley
Great products

I have ordered from this company 4 times and I have gotten great customer service with high quality products

J
Josh Jones

🔩 ER Collets – ER11 & ER20

M
Mark Steinman
looks great, works great

You can tell the machining is outstanding. I will probably end up getting another 1/4 and 1/2"
Mark

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