STICK DUO series

High‑Precision ID Boring System for Swiss CNC Lathes

Accurate Length Positioning with Adjustable Overhang

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The STICK DUO series is a high‑precision ID boring system featuring an adjustable overhang mechanism.

By enabling accurate length positioning and repeatable setup, it significantly improves machining accuracy and process stability in internal boring

STICK DUO Hyper

STICK DUO Hyper delivers higher accuracy than conventional STICK DUO systems while maintaining full compatibility.
It is the industry’s first double‑edged solid boring bar that allows precise length positioning, enabling highly repeatable and accurate ID machining.
A high-precision sleeve that can clamp with high repeated accuracy
Protrusion length can be changed by adjusting ball screw

*Surveyed by NTK

STICK DUO Hyper's Structure

① High‑precision clamp screw for repeatable positioning
② Smooth and consistent coolant supply
③ Ball‑screw mechanism for fine overhang length adjustment
④ Side clamp screw for secure rigidity and machine compatibility

STICK DUO SPLASH

Coolant-through sleeves for ID Boring with Adjustable Overhang Mechanism
For high-precision machining, a combination of HYPER function and a coolant through holder Offers high precision while maintaining compatibility with STICK DUO series.

You can select from 2 types of coolant outlet

Internal coolant to back side of insert

Excellent chip evacuation for blind hole machining

Internal coolant to insert tip

Excellent chip evacuation for through-hole machining
Coolant to insert tip improve the wear resistance

STICK DUO SPLASH's Structure

Connecting coolant hose to front and rear is possible

① Designed for using internal coolant
　(Round shape of backside toolholder)
② Connecting coolant hose for front side M6×1.0screw hole
　(Adjusting screw hole size is possible with adapter)
③ Adjustable overhang length
④ Connecting coolant hose to backside Screw hole size RC1/8