Specially designed for milling, drilling, CNC, tapping, lathe and other clamping tool.
Made of high quality alloy spring steel, strong and durable.
This ER40 Collet Set is tested with high precision. Accuracy and Run-out Tolerance are up to 0.0004".
Package Included: 15PCS Collets (1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16" and 1"), 1 PCS R8 Shank Threading (7/16''-20), and 1 PCS Wrench.
We provide 2-year warranty and 24-hour friendly customer service.