Collet (For Small Diameter Collet Chuck)
Brand :
SHOWA TOOL
Caution
Product Description
Collet that can be easily attached and removed.
[Features]
· Choose from standard grade, A grade or AA grade, depending on the machining precision.
· Uses a 16° taper and is of ER standards, the most commonly used standard around the world.
· Can be used for a wide range of machining, such as drilling and small diameter end milling.
Collet (For Small Diameter Collet Chuck) Specifications
CR Collet external appearance
CREATE Collet dimensional drawing
Easy and reliable collet attachment/detachment:
Since about half the ring inner side is larger, it can be easily attached and detached just by tilting the collet.
Since about half the ring inner side is larger, it can be easily attached and detached just by tilting the collet.
| Collet GRADE | Runout precision (MAX, μm) RUNOUT | |
|---|---|---|
| Opening (A) | Tip (B) | |
| Ultraprecision Grade (AA) | 1 | 3 |
| Precision Grade (A) | 2 | 5 |
| Standard Grade (STD) | 5 | 15 |
| Grade | Applications |
|---|---|
| Ultraprecision Grade / Precision Grade | Reamer/center drill, carbide small diameter drill, end mill grind stone for inner grinding, tool for high-frequency motor carbide drill, lathe rotary tool (tool rotation) |
| Standard Grade | General drill, tap lathe rotary tool (workpiece rotation) |
| CHUCK | RSC07 | RSC10 | RSC13 | RSC16 | RSC20 | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| COLLET CODE | CR07-d GRADE | CR10-d GRADE | CR13-d GRADE | CR16-d GRADE | CR20-d GRADE | |||||
| ød | ød | Gripping RANGE | ød | Gripping RANGE | ød | Gripping RANGE | ød | Gripping RANGE | ød | Gripping RANGE |
| 1.0 | 0.5 to 1.0 | 1.0 | 0.5 to 1.0 | 1.0 | 0.5 to 1.0 | 1.5 | 1.0 to 1.5 | 2.0 | 1.5 to 2.0 | |
| 1.5 | 1.0 to 1.5 | 1.5 | 1.0 to 1.5 | 1.5 | 1.0 to 1.5 | 2.0 | 1.5 to 2.0 | 2.5 | 2.0 to 2.5 | |
| 2.0 | 1.5 to 2.0 | 2.0 | 1.5 to 2.0 | 2.0 | 1.5 to 2.0 | 2.5 | 2.0 to 2.5 | 3.0 | 2.5 to 3.0 | |
| 2.5 | 2.0 to 2.5 | 2.5 | 2.0 to 2.5 | 2.5 | 2.0 to 2.5 | 3.0 | 2.5 to 3.0 | 4.0 | 3.0 to 4.0 | |
| 3.0 | 2.5 to 3.0 | 3.0 | 2.5 to 3.0 | 3.0 | 2.5 to 3.0 | 4.0 | 3.0 to 4.0 | 5.0 | 4.0 to 5.0 | |
| 3.5 | 3.0 to 3.5 | 4.0 | 3.0 to 4.0 | 4.0 | 3.0 to 4.0 | 5.0 | 4.0 to 5.0 | 6.0 | 5.0 to 6.0 | |
| 4.0 | 3.5 to 4.0 | 5.0 | 4.0 to 5.0 | 5.0 | 4.0 to 5.0 | 6.0 | 5.0 to 6.0 | 7.0 | 6.0 to 7.0 | |
| 4.5 | 4.0 to 4.5 | 6.0 | 5.0 to 6.0 | 6.0 | 5.0 to 6.0 | 7.0 | 6.0 to 7.0 | 8.0 | 7.0 to 8.0 | |
| 5.0 | 4.5 to 5.0 | 7.0 | 6.0 to 7.0 | 7.0 | 6.0 to 7.0 | 8.0 | 7.0 to 8.0 | 9.0 | 8.0 to 9.0 | |
| 5.5 | 5.0 to 5.5 | 8.0 | 7.0 to 8.0 | 8.0 | 7.0 to 8.0 | 9.0 | 8.0 to 9.0 | 10.0 | 9.0 to 10.0 | |
| 6.0 | 5.5 to 6.0 | 9.0 | 8.0 to 9.0 | 9.0 | 8.0 to 9.0 | 10.0 | 9.0 to 10.0 | 11.0 | 10.0 to 11.0 | |
| 6.5 | 6.0 to 6.5 | 10.0 | 9.0 to 10.0 | 10.0 | 9.0 to 10.0 | 11.0 | 10.0 to 11.0 | 12.0 | 11.0 to 12.0 | |
| 7.0 | 6.5 to 7.0 | 11.0 | 10.0 to 11.0 | 12.0 | 11.0 to 12.0 | 13.0 | 12.0 to 13.0 | |||
| 12.0 | 11.0 to 12.0 | 13.0 | 12.0 to 13.0 | 14.0 | 13.0 to 14.0 | |||||
| 13.0 | 12.0 to 13.0 | 14.0 | 13.0 to 14.0 | 15.0 | 14.0 to 15.0 | |||||
| 15.0 | 14.0 to 15.0 | 16.0 | 15.0 to 16.0 | |||||||
| 16.0 | 15.0 to 16.0 | 17.0 | 16.0 to 17.0 | |||||||
| 18.0 | 17.0 to 18.0 | |||||||||
| 19.0 | 18.0 to 19.0 | |||||||||
| 20.0 | 19.0 to 20.0 | |||||||||
| øD | 11 | 16 | 20 | 25 | 32 | |||||
| L | 18 | 27 | 31 | 35 | 40 | |||||
- *Collet for gap through also available (made-to-order).