1.0″x4″ ER20 STRAIGHT SHANK COLLET CHUCK EXTENSION HOLDER
| MODEL | ER20 COLLET CHUCK | RUN OUT (TIR) | 0.0002″ | NECK DIAMETER D | 1.4″ |
| HOLDER TYPE | ER COLLET CHUCK | CLAMPING RANGE | 3/16-3/8″ | CLAMPING SIZE | ER20 |
| SHANK TYPE | STRAIGHT TOOL HOLDER | DRAWBAR THREAD | G-1/4 | COLLET NUT | ER20 A |
| BALANCE | MAX 12,000RPM | SHANK DIAMETER | 1.0″ | COLOR | oxide black |
| OVERALL LENGTH | 4.48″ | SHANK LENGTH | 4″ | SHANK WITH FLAT | YES |
STRAIGHT SHANK COLLET CHUCK EXTENSION HOLDER
For all er20 collets
Made from alloy steel and hardness is HRC55
Coolant thru all the shank with G-1/4 drawbar thread
Nut included