CAT50 ER25 4″ Collet Chuck Tool Holder
| MODEL | CAT50-ER25-4″ | Â RUN OUT (TIR) | 0.00015″ | NECKÂ DIAMETER D | 1.75″ |
| HOLDER TYPE | ER COLLET CHUCK | CLAMPING RANGE | Â 3/32-5/8″ | CLAMPING SIZE | ER25 |
| SHANK TYPE | CAT50 | DRAWBAR THREAD | 1-8″ | COLLET NUT | ER25UM |
| BALANCE | G2.5 25000rpm | Gage Length | 2.5″ | COOLANT | YES |
High-Speed Cutting (G2.5 25000rpm) Balance
High Precision Runout: TIR 5μm or 0.00015
Hardened:Â surface HRC58 inside is HRC45
Protection: oxide black
Drawings & Parameters Table
 | CAT50 TAPER | 8° | TAPER D1 | L1 | FLANGE D |
| DRAWBAR THREAD CAT40 | 5/8-11 UNC | 2.75″ | 4″ | 3.8″ |
Related Tool Holder
| Order No | Model (Silver Coated) | L1(inch) | D（inch) | Balance | Run Out(TIR) |
|---|---|---|---|---|---|
| IC0001 | CAT40 ER16 2.5" | 2.5 | 1.1 | G2.5 /25000rpm | 0.003μm |
| IC0002 | CAT40 ER16 4" | 4 | 1.1 | G2.5 /25000rpm | 0.003μm |
| IC0003 | CAT40 ER16 6" | 6 | 1.1 | G2.5 /25000rpm | 0.003μm |
| IC0004 | CAT40 ER20 2.5" | 2.5 | 1.34 | G2.5 /25000rpm | 0.003μm |
| IC0005 | CAT40 ER20 4" | 4 | 1.34 | G2.5 /25000rpm | 0.003μm |
| IC0006 | CAT40 ER20 6" | 6 | 1.34 | G2.5 /25000rpm | 0.003μm |
| IC0007 | CAT40 ER25 2.5" | 2.5 | 1.65 | G2.5 /25000rpm | 0.003μm |
| IC0008 | CAT40 ER25 4" | 4 | 1.65 | G2.5 /25000rpm | 0.003μm |
| IC0009 | CAT40 ER25 6" | 6 | 1.65 | G2.5 /25000rpm | 0.003μm |
| IC0010 | CAT40 ER32 2.5" | 2.5 | 1.97 | G2.5 /25000rpm | 0.003μm |
| IC0011 | CAT40 ER32 4" | 4 | 1.97 | G2.5 /25000rpm | 0.003μm |
| IC0012 | CAT40 ER32 6" | 6 | 1.97 | G2.5 /25000rpm | 0.003μm |
| IC0013 | CAT40 ER40 4" | 4 | 2.48 | G2.5 /25000rpm | 0.003μm |
| IC0014 | CAT40 Er32 0.5" | 0.5 | 0.75 | G2.5 /25000rpm | 0.003μm |
| IC0015 | CAT40 ER11M 6" | 6 | 0.75 | G2.5 /25000rpm | 0.003μm |
| IC0016 | CAT40 ER11M 4" | 4 | 0.75 | G2.5 /25000rpm | 0.003μm |
| IC0017 | CAT40 ER16M 2" | 2 | 0.87 | G2.5 /25000rpm | 0.003μm |
| IC0018 | CAT40 ER16M 4" | 4 | 0.87 | G2.5 /25000rpm | 0.003μm |
| IC0019 | CAT40 ER20M 2" | 2 | 1.1 | G2.5 /25000rpm | 0.003μm |
| IC0020 | CAT40 ER20M 4" | 4 | 1.1 | G2.5 /25000rpm | 0.003μm |