ER Collet Nuts - A Type (HEX)
SAN ER Collet Nuts are made with ground thread and hardened for precision clamping. The A Type (HEX) design provides excellent grip and ease of tightening with standard wrenches.
| Model | L (mm) | D (mm) | Thread (M) |
|---|---|---|---|
| ER8A | 11 | 14 | M10 x 0.75 |
| ER11A | 11.3 | 19 | M14 x 0.75P |
| ER16A | 17.5 | 28 | M22 x 1.5P |
| ER20A | 19 | 34 | M25 x 1.5P |
| ER25A | 20 | 42 | M32 x 1.5P |
| ER32A | 22.5 | 50 | M40 x 1.5P |
| ER40A | 25.5 | 63 | M50 x 1.5P |
ER Collet Nuts - UM Type
SAN ER-UM type nuts feature a precision ground thread with a slimmer profile for applications requiring reduced nut diameter. Hardened for long service life.
| Model | L (mm) | D (mm) | Thread (M) |
|---|---|---|---|
| ER16UM | 20 | 32 | M20 x 1.5P |
| ER20UM | 20 | 32 | M24 x 1.5P |
| ER25UM | 20 | 42 | M32 x 1.5P |
| ER32UM | 22.5 | 50 | M40 x 1.5P |
| ER40UM | 25.5 | 63 | M50 x 1.5P |
| ER50UM | 36 | 70 | M64 x 2.0P |
ER Collet Nuts - M Type
SAN ER-M type mini nuts for compact applications where space is limited. Ground thread and hardened for precision.
| Model | L (mm) | D (mm) | Thread (M) |
|---|---|---|---|
| ER8M | 10 | 12 | M10 x 0.75P |
| ER11M | 12 | 16 | M13 x 0.75P |
| ER16M | 18 | 22 | M19 x 1.0P |
| ER20M | 19 | 28 | M24 x 1.0P |
ER Spanners
SAN ER Spanners are drop-forged and hardened for durability. Available in M-type, A/Hex-type, C-type, O-type, and UM-type configurations to match all SAN ER nut types. Ergonomic design for comfortable use and maximum torque transfer.
| Type | For Nut Models | Material |
|---|---|---|
| A-Type Spanner | ER8A - ER40A | Drop-forged, Hardened |
| M-Type Spanner | ER8M - ER20M | Drop-forged, Hardened |
| UM-Type Spanner | ER16UM - ER50UM | Drop-forged, Hardened |
| C-Type Spanner | Castle Nuts | Drop-forged, Hardened |
| O-Type Spanner | O-Series Nuts | Drop-forged, Hardened |