JEM # HPI-CAT40-ER20H-0800CAT40-ER20H-0800
CAT40 ER20 collet chuck, 8.00" gaugeCAT40ER208.00" GL.019–.512"
SpecificationsFrom Pioneer's catalog
- Taper
- CAT40
- Type
- ER collet chuck
- Collet series
- ER20
- Hex nut
- Clamping range
- .019–.512"
- Gauge length
- 8.00"
- 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 CAT40The 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 CAT40 ER20 lengths and versions16 in all
| Gauge | Standard | Dual contact | Standard + Coolant thru |
|---|---|---|---|
| 2.50" | CAT40-ER20H-0250$142.68 | CAT40-ER20H-0250-B$171.46 | — |
| 3.00" | 4340.12031$238.00 | 4340.12036$400.00 | 4340.12034$305.00 |
| 4.00" | CAT40-ER20H-0400$144.49 | CAT40-ER20H-0400-B$180.60 | 4340.12054$309.00 |
| 6.00" | CAT40-ER20H-0600$162.55 | CAT40-ER20H-0600-B$231.06 | 4340.12074$323.00 |
| 8.00" | CAT40-ER20H-0800$228.38this | CAT40-ER20H-0800-B$302.47 | — |