ER UM Round Spanner Wrenches for ER Collet Chucks – ER16, ER20, ER25, ER32 & ER40
UM round spanner wrenches for compatible ER collet chuck nuts. ER20 is O-Type; other listed sizes are C-Type. Choose the correct ER size and nut configuration before ordering.
Available Wrenches and Dimensions
| RMT SKU | ER Size | Style | B (in) | L (in) | Weight (lb) |
|---|---|---|---|---|---|
| RT1191 | ER16 | C-Type | 1.0" | 8.25 | 0.25 |
| RT1192 | ER20 | O-Type | 1.25" | 8.5 | 0.25 |
| RT1193 | ER25 | C-Type | 1.437" | 8.5 | 0.25 |
| RT1194 | ER32 | C-Type | 1.81" | 10 | 0.5 |
| RT1195 | ER40 | C-Type | 2.35" | 11.75 | 0.5 |
Features
- HIGH QUALITY STEEL: Made of High Quality Heat Treated Carbon STEEL..
- PRECISION FIT: Designed for Secure Engagement with Compatible ER Collet Nuts for Reliable Tightening and Loosening
- HIGH TORQUE PERFORMANCE: Provides Positive Grip and Leverage for Proper Collet Nut Tightening and Tool Changes
- DURABLE CONSTRUCTION: Hardened, wear-resistant construction stands up to repeated tightening and loosening in demanding machining environments.
- EASY TOOL CHANGES: Provides a Simple and Reliable Way to Install and Remove ER Collet Nuts During Routine Tool Changes
Compatibility: Match the wrench to the ER collet nut style. Hex, C-Type and O-Type designs are not interchangeable.
