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QS™ holding system

Maximized machine utilization

​​​​QS™ holding system is a quick change system developed specifically for sliding head machines. The system of tool holders, stops and wedges offer stable tool clamping and secure insert edge position for good repeatability and accuracy.

Process security with high precision

The QS™ tool holders are available with precision coolant, which improves chip control, tool life and component quality. The coolant is easily connected thanks to dedicated coolant connection kits​.

Easy handling for reduced downtime

The single screw release function simultaneously pulls out the wedge and holder, for quick tool change and set-up. No diameter adjustment is necessary thanks to the back stop, which ensures close repeatability tolerance for the insert edge position.

View more features
  • Wedge spring clamping mechanism eliminates the risk of tool holder dropping into the machine
  • QS™ holding system can be quickly mounted on the machine with no reconstruction

Find your tool and buy


  • Turning, parting, grooving and threading of small components
  • For machining in sliding head machines
  • Available for Citizen, Star, Tsugami, Hanwha, Tornos and Nexturn machines

Product range


CoroTurn® 107

Turning and profiling
Diameter: 6–40 mm (0.236–1.57 inch)
RE ≥0.02 mm (0.0008 inch)

CoroCut® XS

Turning, profiling and back turning
Diameter: 1–8 mm (0.040–0.315 inch)
RE ≥RE ≥0.03 mm (0.001 inch)

Parting off

CoroCut® XS

Diameter: <8 mm (0.315 inch)
Cutting width: ≥0.7 mm (0.03 inch)

CoroCut® 3

Diameter: 6–12 mm (0.24–0.5 inch)
Cutting width: ≥1 mm (0.04 inch)

CoroCut® 1-2

Diameter: 12–32 mm (0.5–1.25 inch)
Cutting width: ≥1.5 mm (0.06 inch)

CoroCut® QD

Diameter: ≥20 mm (0.79 inch)
Cutting width: ≥1 mm (0.04 inch)


CoroCut® XS

Max. cutting depth: 1.3–3.7 mm(0.05–0.15 inch)
Cutting width: 0.5–2.5 mm (0.02–0.098 inch)

CoroCut® 3

Max. cutting depth: 3–6 mm (0.12–0.24 inch)
Cutting width: 0.5–3.18 mm (0.02–0.12 inch)

CoroCut® 1-2

Max. cutting depth: 6–16 mm (0.24–0.63 inch)
Cutting width: 1.5–3 mm (0.06–0.13 inch)

CoroCut® QD

Max. cutting depth: >16 mm (0.63 inch)
Cutting width: 1–3 mm (0.04–0.12 inch )

Thread turning

CoroThread® 266

Most thread forms
Multi- or single-point profiles
Diameter: 8–40 mm (0.315–1.57 inch)

CoroCut® XS

Thread forms: M, UN, NPT, WH, V-profile
Diameter: 1–8 mm (0.040–0.315 inch)



Tools for sliding head machines – catalogue

This catalogue guides you through our comprehensive range of precision tools for machining small parts in sliding head machines.

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QS™ holding system vs. conventional set-up

QS holding system means quick change in sliding head machines. See how quickly you can switch tools using this solution compared to traditional set-up.

Find the right wedge

Do you need help finding a suitable QS wedge for your sliding head machine? Find the correct tooling combination of wedge and shank depending on machine brand and model using this table.

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