ER8 Standard Metric Collet
ER8 Standard Metric Collet
The ER8 Standard Metric Collet is a precision spring collet designed for securely clamping cutting tools or workpieces.
The available sizes range from ER8-1 to ER8-5, with 0.5 mm increments (1.0, 1.5, 2.0, 2.5, ...), providing a clamping range of Ø0.6–5.0 mm.
Runout Accuracy:HP Grade:0.006mm,AA Grade:0.01mm,A Grade:0.015mm,Standard Grade:0.02mm
Dimensions
Comparison of size indication and detailed specifications
| MODEL | ∅D | L | 夾持範圍 Range | HP級(6µm) | AA級(10µm) | A級(15µm) | 一般級 Normai(20µm) |
|---|---|---|---|---|---|---|---|
| ER8 | 8.5(8.5) | 13.6(13.5) | 0.6-1.0 | ER8-1 HP | ER8-1 AA | ER8-1 A | ER8-1 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 1.1-1.5 | ER8-1.5 HP | ER8-1.5 AA | ER8-1.5 A | ER8-1.5 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 1.6-2.0 | ER8-2 HP | ER8-2 AA | ER8-2 A | ER8-2 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 2.1-2.5 | ER8-2.5 HP | ER8-2.5 AA | ER8-2.5 A | ER8-2.5 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 2.6-3.0 | ER8-3HP | ER8-2 AA3 | ER8-8 A3 | ER8-3 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 3.1-3.5 | ER8-3.5 HP | ER8-3.5 AA | ER8-2 A3.5 | ER8-3.5 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 3.6-4.0 | ER8-4 HP | ER8-4 AA | ER8-4 A | ER8-4 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 4.1-4.5 | ER8-4.5 HP | ER8-4.5 AA | ER8-4.5 A | ER8-4.5 |
| ER8 | 8.5(8.5) | 13.6(13.5) | 4.6-5.0 | ER8-5 HP | ER8-5 AA | ER8-5 A | ER8-5 |
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