23 PCS ER40 Collet Set, 1/8"-1" Precision Spring ER40 Shank Chuck for Boring, Drilling, Tapping, Milling Lathe Engraving Tool (0.0004" TIR, Yellow Strong Box)

23 PCS ER40 Collet Set, High Precision Collets in Various Sizes for CNC Milling and Lathe with Clamping Range 1/8"-1", Compatible with ER40 Collet Chuck Specifications: Material: Hardened alloy spring steel Runout/TIR: 0.0004" (manufacturing specification) Size range: 1/8" to 1" (23 sizes listed above) Package Included: 1 x ER40 collet set This ER40 collet set is designed to fit perfectly into an ER40 collet chuck, making it a versatile tool suitable for milling, drilling, and turning Each collet in the set is precision ground and hardened to ensure high accuracy and stability The set includes a wide range of collet sizes, from 1/8"-1", allowing you to choose the right size for your needs All pieces are supplied in a fitted yellow case for storage and transport

• The packaging includes 23 PCS ER40 Collet Set; Size Included: 1/8", 3/16", 7/32", 1/4", 5/16", 11/32", 3/8", 13/32", 7/16", 1/2", 17/32", 9/16", 5/8", 21/32", 11/16", 3/4", 25/32", 13/16", 27/32", 7/8", 15/16", 31/32", and 1", covering a wide range of tool shank diameters
• This ER40 Spring Collet set is crafted from hardened alloy spring steel, with excellent processing and good toughness
• All collet surfaces are finely ground to ensure precise fit, and true double angle can achieve better accuracy, with concentricity within TIR 0.0004"
• Compatible with standard ER40 collet chucks for milling drilling tapping and turning operations and useful for CNC engraving and lathe work
• These collets are packed in a yellow storage box for easy orderly storage and transportation