BT40 ER20 4″ Collet Chuck Tool Holder
- Made of Special Alloy Steel
- Surface hardened to 62 HRC
- All critical surfaces are ground
- Dynamically balanced to G2.5 at 20,000RPM
- Each holder comes with a clamping Nut
- Taper to Taper runout <0.0002″
- Gauge length L1 : 4″
- Nut outer diameter D : 1.340″
- Pull Stud thread : M16 x 2.0
- Coolant thru capability
- ER20 capacity : 3/32-1/2 (1-13mm)
- Wrench and pull stud are not included
$68.00
45 in stock