REGO-FIX Swiss precision toolholding systems and collet chucks
Comprehensive technical catalog for Swiss-made REGO-FIX AG toolholding systems. High-precision powRgrip press-fit units, ER DIN 6499 collets, micRun sub-micron chucks, and balanced machine toolholders from SpareX.
powRgrip high-precision press-fit toolholding and PGU clamping units
The powRgrip press-fit clamping system combines PG collets, high-rigidity toolholders, and PGU 9500 hydraulic units to achieve tool clamping in 8 seconds with total runout TIR under 3 um. High vibration damping protects delicate cutter edges. Clamping force remains stable after 20,000 cycles.
- Collet series PG 6, PG 10, PG 15, PG 25, PG 32
- Automatic hydraulic clamping units PGU 9500
- Total runout TIR < 3 um with clamping force 90 kN
- SecuRgrip anti-pullout locking mechanism
Original REGO-FIX ER collets and DIN 6499 / ISO 15488 chucks
Invented by REGO-FIX in 1972, the original ER collet system conforms to DIN 6499 and ISO 15488 standards covering sizes ER 8 to ER 50 for shank diameters 0.2 to 36 mm. ER-UP ultra-precision collets deliver TIR runout within 5 um. Sealed ER-DM versions handle coolant pressures up to 150 bar.
- Sizes ER 8, ER 11, ER 16, ER 20, ER 25, ER 32, ER 40, ER 50
- ER-UP ultra-precision series with runout TIR <= 5 um
- Clamping capacity from 0.2 mm to 36 mm diameter
- Sealed ER-DM collets for through-coolant up to 150 bar
micRun MR ultra-precision toolholding for high-speed machining
The micRun MR ultra-precision toolholding system guarantees total system runout TIR <= 3 um at 3xD with slim vibration-damping contours for demanding high-speed machining. Its patented collet-locking nut mechanism simplifies tool assembly. Slim profiles enable deep cavity machining.
- Toolholder series MR 11, MR 16, MR 25, MR 32
- Total system runout TIR <= 3 um at 3xD overhang
- High-precision dynamic balancing for smooth spindle operation
- Slim vibration-damping profile for deep cavity milling
Spindle toolholders HSK, BT, SK, Hi-Q nuts and reCool retrofitting
REGO-FIX manufactures balanced toolholders for HSK, BT, and SK spindle interfaces, friction-free Hi-Q clamping nuts, and reCool internal coolant retrofit systems for live tooling. MasterBar test arbors deliver rapid sub-micron machine setup. Pre-balanced holders reduce vibration.
- Spindle interfaces HSK-A/E/F, BT MAS-403, SK DIN 69871
- Hi-Q clamping nuts with low-friction balancing rings
- reCool live tool internal coolant retrofitting up to 100 bar
- 3D-EdgeMaster centering indicators and MasterBar test arbors
3D-EdgeMaster centering indicators and MasterBar test arbors
Precision 3D-EdgeMaster centering indicators and MasterBar test arbors deliver rapid machine tool setup and spindle alignment on CNC machining centers. Edge sensors locate workpiece reference datums with repeatability of 0.01 mm. MasterBar arbors detect spindle bearing wear.
- Mechanical and digital 3D-EdgeMaster indicators
- Precision cylindrical test arbors MasterBar
- Edge probing repeatability within 0.01 mm
- Spindle taper runout and concentricity validation
Engineering principles and operation of the powRgrip press-fit clamping system
The powRgrip cold press-fit tooling system relies on an exact 1:10 taper interface between the PG collet and holder, pressed with up to 90 kN of hydraulic force via the PGU 9500 unit.
Unlike heat-shrink tooling, powRgrip eliminates thermal stress and metal fatigue, delivering a fully clamped assembly ready for machining in just 8 seconds.
Maintaining absolute cleanliness of internal mating taper surfaces is critical for preserving sub-3-micron runout and high vibration dampening in high-speed milling.
Precision standards and assembly practices for original DIN 6499 ER collets
Manufactured from specialized alloy spring steel, original REGO-FIX ER collets undergo proprietary heat treatment and slot grinding.
The eccentric extractor ring in the Hi-Q clamping nut engages the collet groove, ensuring smooth self-extraction upon loosening without sticking inside the toolholder cavity.
Using calibrated torque wrenches prevents over-tightening beyond specification, which would otherwise induce plastic deformation of the clamping slots and premature cutter runout.
High-speed machining using micRun ultra-precision toolholders
The micRun MR system is engineered specifically for micro-milling and drilling where runout above 3 microns severely degrades tool life and surface finish. Featuring a slim, vibration-absorbing profile, MR toolholders access tight mold cavities while dampening high-frequency chatter.
Dynamic balancing at high spindle speeds minimizes centrifugal forces, protecting motorized spindle bearings and extending maintenance intervals.
Retrofitting driven tool stations with reCool through-coolant technology
Installing reCool conversion units onto existing static and driven turret blocks instantly transforms external coolant delivery into a through-tool high-pressure system up to 100 bar.
Coolant flows directly through DS/ER sealing disks into internal cutter channels, ensuring immediate thermal relief at the cutting edge. This eliminates thermal shock in titanium and superalloys, preventing chip packing in deep bores and significantly increasing tool longevity.
Spindle runout and geometry validation with MasterBar test arbors
Periodic inspection of spindle concentricity and taper seating integrity is vital for maintaining workpiece tolerances. MasterBar precision test arbors are crafted from hardened stabilizing steel with cylindrical roundness within one micron.
Seating the MasterBar arbor into the machine spindle enables rapid detection of socket wear, spindle bearing play, and thermal expansion across multi-axis machining centers.
REGO-FIX and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of REGO-FIX and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.
Related equipment manufacturers
- Equipment and parts for Alesa Tools
- Equipment and parts for Affolter
- Equipment and parts for DIXI Polytool
- Equipment and parts for WFL
Documents and sources
- REGO-FIX official website — high-precision toolholding systems in Tenniken Switzerland
- powRgrip press-fit clamping system: PG collets and PGU 9500 clamping units
- ER collet system: original DIN 6499 standard and sizes from ER 8 to ER 50
- micRun MR ultra-precision toolholding system: total system runout TIR <= 3 um at 3xD
- REGO-FIX collets catalogue: standard, sealed ER-DM and ER-UP precision collets
- REGO-FIX toolholders for HSK, BT, and SK spindle interfaces
