JEM # HPI-BT40-ER40-080BT40-ER40-080
BT40 ER40 collet chuck, 3.15" gaugeBT40ER403.15" GL.079–1.024"
SpecificationsFrom Pioneer's catalog
- Taper
- BT40
- Type
- ER collet chuck
- Collet series
- ER40
- E-type nut
- Clamping range
- .079–1.024"
- Gauge length
- 3.15"
- from the gauge line
- Nose Ø
- 2.48"
Goes with itNamed in Pioneer's catalog
NUT ERN40ER40 collet nut · ER40 SPANNER NUT$49.74
WRENCH ERW-40 EER40 wrench · ER40 E-TYPE SPANNER WRENCH$29.87
Collets and other versions
Retention knob for BT40The knob depends on your machine, not the holder. Find yours by builder.Find by machine →
ER40 collets that fit323 sizes and types · showing 323
| Size | Clamps | Precision | Type | Part no. | Stock | Price | |
|---|---|---|---|---|---|---|---|
| 1/8" | .086–.125" | Standard | Collet | ER40-0125 | Ships from Pioneer | $28.13 | |
 1/8" | .085–.125" | Standard | Collet | 1140.03182 | Ships from Rego-Fix | $83.00 | |
| 1/8" | .085–.125" | UP · 5 µm | Collet | 1140.03183 | Ships from Rego-Fix | $124.00 | |
 5/32" | .117–.156" | Standard | Collet | ER40-0156 | Ships from Pioneer | $28.13 | |
| 3/16" | .148–.188" | Standard | Collet | ER40-0187 | Ships from Pioneer | $28.13 | |
| 3/16" | .148–.187" | Standard | Collet | 1140.04762 | Ships from Rego-Fix | $53.00 | |
| 3/16" | .148–.187" | UP · 5 µm | Collet | 1140.04763 | Ships from Rego-Fix | $93.00 | |
| 7/32" | .179–.219" | Standard | Collet | ER40-0218 | Ships from Pioneer | $28.13 | |
| 1/4" | .211–.250" | Standard | Collet | ER40-0250 | Ships from Pioneer | $28.13 | |
| 1/4" | .210–.250" | Standard | Collet | 1140.06352 | Ships from Rego-Fix | $53.00 | |
| 1/4" | .210–.250" | UP · 5 µm | Collet | 1140.06353 | Ships from Rego-Fix | $93.00 | |
 1/4" | — | — | Sealed coolant collet | 1240.06352 | Ships from Rego-Fix | $102.00 |
Other BT40 ER40 lengths and versions7 in all
| Gauge | Standard | Standard + Coolant thru |
|---|---|---|
| 80 mm | 2140.14040$248.00 | — |
| 3.15" | BT40-ER40-080$160.73this | — |
| 100 mm | 4140.14050$279.00 | 4140.14053$379.00 |
| 160 mm | 4140.14080$322.00 | 4140.14083$445.00 |