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Made from alloy spring steel and hardened to HRC 44-48; All fractional size is true imperial size, not a metric conversion size; All collets are checked its ...
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What size is er40 collet?
ER Collet | Length | Clamping Range |
ER-20 | 31.5 mm (1.24") | 1—13 mm (0.039—0.512") |
ER-25 | 34 mm (1.34") | 1—16 mm (0.039—0.630") |
ER-32 | 40 mm (1.57" | 1—21 mm (0.039—0.827") |
ER-40 | 46 mm (1.81") | 3—26 mm (0.118—1.024") |
What is er collet?
The standard ER collet is the most widely used clamping system in the world. Made from EN-47 Alloy spring steel for spring action and fully hardened. ER-16 Standard Precision Collet with 10 microns run out.
How do you choose a collet size?
The collet should be selected to match the tool's shank diameter precisely. Using the correct collet size ensures a secure grip and prevents tool slippage during machining. Consider the diameter of the workpiece you'll be machining. The collet size should be suitable for securely holding the workpiece in place.