JEM # HPI-BT40-ER20H-160BT40-ER20H-160
BT40 ER20 collet chuck, 6.30" gaugeBT40ER206.30" GL.019–.512"
SpecificationsFrom Pioneer's catalog
- Taper
- BT40
- Type
- ER collet chuck
- Collet series
- ER20
- Hex nut
- Clamping range
- .019–.512"
- Gauge length
- 6.30"
- from the gauge line
- Nose Ø
- 1.33"
Goes with itNamed in Pioneer's catalog
NUT ERN20HER20 collet nut · ER20 HEX NUT$47.85
Collets and other versions
Retention knob for BT40The knob depends on your machine, not the holder. Find yours by builder.Find by machine →
ER20 collets that fit213 sizes and types · showing 213
| Size | Clamps | Precision | Type | Part no. | Stock | Price | |
|---|---|---|---|---|---|---|---|
| 1/8" | .086–.125" | Standard | Collet | ER20-0125 | In stock | $24.43 | |
| 1/8" | .086–.125" | UP · 5 µm | Collet | ER20-0125UP | Ships from Pioneer | $41.62 | |
 1/8" | .086–.125" | Standard | Collet | 1120.03182 | Ships from Rego-Fix | $41.00 | |
| 1/8" | .086–.125" | UP · 5 µm | Collet | 1120.03183 | Ships from Rego-Fix | $80.00 | |
 1/8" | — | — | Sealed coolant collet | 1220.03182 | Ships from Rego-Fix | $88.00 | |
 5/32" | .117–.156" | Standard | Collet | ER20-0156 | In stock | $24.43 | |
| 5/32" | — | — | Sealed coolant collet | 1220.03972 | Ships from Rego-Fix | $88.00 | |
| 3/16" | .148–.188" | Standard | Collet | ER20-0187 | In stock | $24.43 | |
| 3/16" | .148–.188" | UP · 5 µm | Collet | ER20-0187UP | Ships from Pioneer | $41.62 | |
| 3/16" | .148–.187" | Standard | Collet | 1120.04762 | Ships from Rego-Fix | $41.00 | |
| 3/16" | .148–.187" | UP · 5 µm | Collet | 1120.04763 | Ships from Rego-Fix | $80.00 | |
| 3/16" | — | — | Sealed coolant collet | 1220.04762 | Ships from Rego-Fix | $88.00 |
Other BT40 ER20 lengths and versions10 in all
| Gauge | Standard | Dual contact | Standard + Coolant thru |
|---|---|---|---|
| 70 mm | 4140.12030$232.00 | 4140.12036$398.00 | 4140.12033$303.00 |
| 2.76" | BT40-ER20H-070$140.00 | — | — |
| 100 mm | 4140.12050$248.00 | — | 4140.12053$315.00 |
| 3.94" | BT40-ER20H-100$140.00 | — | — |
| 160 mm | 4140.12080$315.00 | — | 4140.12083$380.00 |
| 6.30" | BT40-ER20H-160$160.73this | — | — |