Description
GARANT Master Chuck hydraulic chuck performance to ISO 12164-1 (DIN 69893-1).

Application
Particularly suitable for highly dynamic milling applications.
Universally designed for roughing and finishing operations.
For clamping tools with shank tolerance h6.

Features
Optimised outer contour using FEM (finite element method) for maximum rigidity, longer tool life, higher metal removal rate and suitability for all machining strategies.
With RFID / Balluff chip bore.
Axial length adjustment with 10 mm adjustment travel.
Reducing adapters can be used.
Temperature resistant up to 170 degC for 4 hours.
Up to 10 times more clamping operations than a standard hydraulic chuck.
Very low tightening torque of the clamping screw for easy handling.
Patented new hydraulic clamping system with reliable, durable premium radial run-out.
Maximum metal removal rate with maximum precision.

Product Specification
Article family: 307635
Clamping diameter: 20 mm
Dimension A: 87 mm
Diameter D1: 38 mm
Diameter D2: 38 mm
Diameter D3: 52.5 mm
Outside diameter D: 52.5 mm
Standard: ISO 12164-1 (DIN 69893-1)
Form: A
Balancing quality: G 2.5 at 25,000 min^-1
Radial run-out: <=3 um
Suitable for HSC and HPC machining.

Supplied With
Hexagon socket driver with T-handle.

Optional Extras
Coolant tube No. 309880.
Socket wrench No. 309890.
Reducing adapters No. 302140, 302135, 302145 and 302147, each size 12.
Reducing adapters No. 302150, 302155, 302160 and 302165, each size 20.