NT Tool (Thailand) Co., Ltd.
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Hydro Chuck

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Hydro Chuck Omega

No more pullout, chatter or deflection! Step on up to high-efficiency machining!

High precision

High precision

Anti-vibration effect & High clamping force

Anti-vibration effect & High clamping force

Special oil chamber around the chucking sleeve absorbs cutting vibrations.
Utilizes stronger gripping force than a conventional hydro chuck.

High rigidity

High rigidity”>

High balance

High balance

Pre-balanced design and individual balancing for each product allows for high rotational speeds.

※BT40-PHC16H-45, HSK63-PHC16H-80. Max rotational speed for other holders can be found on the dimensions page.

Machining example

φ40mm 6 flute end mill machining
φ20mm carbide 4 flute square end mill machining
Eliminating excess material after milling reduces the need to zero cut and reduces machining in later steps.

Power Hydro Chuck

NEW! Hydro chuck with collet holder flexibility!

Easy to use! Versatile application!

20% more clamping force than a collet holder!

20% more clamping force than a collet holder!

Easy! Quick! Simple Clamping!!

Simple one hand clamping operation with a hex wrench.

Numerous ID sizes in 1mm increments (4mm – 32mm)

ø3 shank cutting tool can be clamped using a collet with stopper pin. (PHS series)

ø3 shank cutting tool can be clamped using a collet with stopper pin. (PHS series)
  • Using PHS collet, variety of shank sizes can be clamped and protect inner shank from damage/scratch.
  • For higher precision chucking, align ▲ markings on a PHC∙A chuck and collet.

Excellent performance!

High precision

High precision

“Dual clamping points system” for stable and high precision clamping.

Dual clamping points system for stable and high precision clamping.

Anti-vibration effect provides better surface

  • Anti-vibration effect provides better surface
  • Anti-vibration effect provides better surface

Minimize set up time!

Tool pre-set without height offset

Tool pre-set without height offset

Length adjustment function (Sold separetely)

Length adjustment function (Sold separetely)

Cutting tool height can be adjusted on the side with a hex wrench.

(BT , CAT and SK shank. *Except PHC04A)
*CAT/SK shank are available.
 Please contact NT TOOL for details.

Slim Hydro Chuck

Slim type hydro chuck!

Tool pre-set without height offset

Tool pre-set without height offset

“Dual clamping points system” for stable and high precision clamping.

Dual clamping points system for stable and high precision clamping.

Anti-vibration effect

High pressured oil chamber around the chucking sleeve absorbs cutting vibrations.

  • Slim Type Shrink Fit Chuck
  • Slim Hydro Chuck

Work surface comparison

  • Slim Type Shrink Fit Chuck
  • Slim Hydro Chuck

High precision

High precision

Cutting applications

Finishing with ball endmill in tight space

Finishing with ball endmill in tight space

Finishing with ball endmill on 5-axis machine

Finishing with ball endmill on 5-axis machine

Reaming in tight space

Reaming in tight space

Drilling in tight space

Drilling in tight space

Slim Hydro “R” Zero Holder

Hydro+α

Slim Hydro Chuck

Tool pre-set without height offset

Tool pre-set without height offset

Easy! Quick! Simple Clamping!

Easy! Quick! Simple Clamping!

Simple one hand clamping operation with a hex wrench.

“Dual clamping points system” for stable and high precision clamping.

Dual clamping points system for stable and high precision clamping.

Anti-vibration effect

High pressured oil chamber around the chucking sleeve absorbs cutting vibrations.

  • Slim Type Shrink Fit Chuck
  • Slim Hydro R Zero Holder

Use for

Use for

“R”Zero Holder

Simple Operation- Runout of the cutting edge can be adjusted to 0 to 2 μm by simply tightening 4 adjustment screws.

Even if the runout at 4d is in allowable range, runout at the actual cutting edge is much larger as the projection length of the cutter gets longer. NT’s“ R” Zero holder realizes invariant hole diameter, better surface roughness and long tool life by adjusting runout at the cutting edge as closely as to zero.

Simple Operation- Runout of the cutting edge can be adjusted to 0 to 2 μm by simply tightening 4 adjustment screws.

Longer tool life

Better surface roughness

Invariant hole diameter