Description
Heavy-Duty BT40 Hydraulic Expansion Holder (Dia 32 x 90 mm)
Designed for large shank cutting tools and reduction collets on BT40 CNC machines. Offers maximum hydraulic clamping force and thermal stability for heavy finishing and precision machining.
- Taper Standard: BT40 (MAS 403 / JIS B 6339)
- Clamping Bore Diameter: 32 mm
- Projection Length (A-dimension): 90 mm
- Runout Precision: < 0.003 mm at 3xD
- Balancing Quality: G2.5 / 20,000 RPM
- Actuation: Fast single-screw hydraulic actuation
- Compatibility: Direct 32mm shanks or HGC32 reduction sleeves