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Hydraulic Holders Supplier & Distributor in USA

16C COLLETS

3J COLLETS

5C COLLETS

Accessories - Set Screw And HSK Coolent Tube

Accessories - HSK Coolent Tube

Accessories - Lock Screrw And HSK Coolent Tube

BORING BAR SLEEVES

BT DUAL-CONTACT

BT DUAL-CONTACT TAPER

BT DUAL-CONTACT TAPER

BT DUAL-CONTACT TAPER

BT DUAL-CONTACT TAPER

BT RETENTION KNOBS

BT TAPER

BT TAPER

BT TAPER

BT TAPER

BT taper

BT TAPER

BT TAPER

CAT DUAL-CONTACT TAPER

CAT DUAL-CONTACT TAPER

CAT DUAL-CONTACT TAPER

CAT DUAL-CONTACT TAPER

CAT DUAL-CONTACT TAPER

CAT RETENTION KNOBS

CAT TAPER

CAT TAPER

CAT TAPER

CAT TAPER

CAT TAPER

CAT TAPER

CAT TAPER

CNC HEAVY DUTY MODEL

CNC LIVE/DEAD CENTERS

CNC SLIMLINE MODEL

CNC SMALL CASING MODEL

COLLETS

DA COLLETS

DA SEALED COLLETS

DEAD CENTERS

DNA (Dead Nut Accurate) Collets

DOUBLE ENDED HOLDERS

END MILL HOLDERS

ER COLLET HOLDERS

ER COLLETS

ER FLOATING TAP COLLETS

ER JET SPRAY COOLANT COLLETS

ER NUT

ER STEEL SEALED COLLETS

ER STRAIGHT SHANK HOLDERS

ER TAP COLLETS

ER TAP STEEL SEALED COLLETS

ER WRENCH

FACE MILL HOLDERS

HSK COOLANT TUBE

HSK TAPER

HSK TAPER

HSK TAPER

HSK TAPER

HSK TAPER

HSK TAPER

HSK TAPER

HYDRAULIC HOLDERS

INTERCHANGEABLE CNC HEAVY DUTY MODEL

OTHER ACCESSORIES

OZ (EOC) Collets

POWER MILLING HOLDERS

QUICK CHANGE TAPPING ADAPTERS (COLLETS)

QUICK CHANGE TAPPING HOLDERS

R8 COLLETS

RETENTION KNOBS

SHRINK FIT HOLDERS

SINGLE ENDED HOLDERS

SK COLLETS (SUPER COLLETS)

SPINDLE WIPER

STRAIGHT COLLETS FOR MILLING CHUCKS

TG COLLETS

TG SEALED COLLETS

TG TAP COLLETS

TOOL HOLDER BUSHINGS

TOOL HOLDERS

TOOL LOCKING DEVICE

TYPE-B BUSHINGS

Type-C Bushings

TYPE-CS BUSHINGS

TYPE-J BUSHINGS

TYPE-Z BUSHINGS

Frequently Asked Questions

1. How does a hydraulic tool holder differ from a mechanical collet chuck?
Hydraulic tool holders from PAC Tools use internal oil pressure to apply even clamping force around the tool shank. This provides better accuracy, vibration damping, and easier tool changes compared to mechanical collet chucks.
2. What materials are best suited for hydraulic tool holders?
PAC Tools hydraulic holders work best with tools made of solid carbide or high-speed steel (HSS) with h6 tolerance. These materials ensure a secure fit and high-performance in precision machining.
3. Can I use hydraulic tool holders for reaming or finishing?
Yes, PAC Tools hydraulic holders are ideal for reaming, fine boring, and finishing operations. Their superior runout control and vibration damping enhance surface finish and tool life.
4. How do I insert a tool into a hydraulic chuck correctly?
To insert a tool, align it to the proper depth mark, then tighten using the hydraulic key or screw as per PAC Tools’ instructions. Ensure the bore and shank are clean to maintain precision.
5. Can I use torque limiting tools or gauges with hydraulic holders?
Yes, PAC Tools hydraulic holders are compatible with torque-limiting tools. This prevents over-tightening, ensures safe tool clamping, and maintains consistent machining accuracy.
6. How do I ensure maximum runout control during tool setup?
Use high-quality h6 shank tools, clean all contact surfaces, and follow PAC Tools’ insertion guidelines. Proper setup and maintenance are key to achieving runout as low as 3 microns.

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