![27/64" (0.421) ER20 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 20-0421-27/64UP - Caliber Tooling](http://calibertooling.com/cdn/shop/products/er_6f61ef8b-4ca9-4e01-85e7-6381e5fbb35c_1024x1024.png?v=1594510290)
27/64" (0.421) ER20 Ultra Precision Collet (0.0002" Accuracy or Better) - Part # 20-0421-27/64UP
Inventory In Stock - Fast Online Checkout - Same Day Shipping. 2% Off ALL Online Orders. Use Code at Checkout: 2%OFF
Click here to see our full line of Collets with product charts with critical dimensions.
2% Off All Online Orders
Use Code: 2%OFF
Best Price Guarantee - Email Us A Better Published Price and We'll Beat It