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BT30 3mm Dual Contact Hydraulic Chuck 3mm-2.5 $268.25
BT30 3mm Dual Contact Hydraulic Chuck 3mm-2.5
Click to enlarge


BT30 3mm Dual Contact Hydraulic Chuck 3mm-2.5
Click to enlarge
BT30 3mm Dual Contact Hydraulic Chuck 3mm-2.5
Click to enlarge
BT30 3mm Dual Contact Hydraulic Chuck 3mm-2.5
Click to enlarge
Item No. BT30-HC3-2.5D
Price: $268.25
Shipping: In Stock - Ships Same Day *
Quantity: 

* Same Day Shipping is only available on orders placed Monday - Friday before 4 P.M. Central Time.

Available Downloads for BT30-HC3-2.5D
DXF file  PDF file  DWG file 
Product Info

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Hydraulic Holders have the best dampening abilities of all holders resulting in....

  • Minimal noise emissions
  • Increased tool life
  • Improved surface finish and less chatter
  • Less chipping of sharp corner tooling

Product Details

  • Works on all BT30 machines with Dual Contact Spindles
  • Compatible with BIG-PLUS® spindles
  • These holders are maintenance free
  • Fast tool change, simply insert tool and tighten screw until it stops
  • Holder and stop screw have thru holes, coolant thru capable
  • Super accurate .0001 TIR or less at 4x diameter
  • Maximum operating temperature 120 deg Fahrenheit
  • Balanced to G2.5 @ 25,000 rpms
  • For 3mm shank tooling only
  • Unlimited shank depth, this holder does not have a rear stop
  • Shank must be inserted min .45" deep for proper clamping
  • 4mm allen key is not included but available here
  • View BT30 Pull Studs

*BIG-PLUS® is a trademark of Daishowa Seiki Kabushiki Kaisha; Big Daishowa Seiki Co., Ltd., Corp.
Compatible with BIG-PLUS® spindles, but not licensed.

Product Specifications
Balance Spec:  G2.5 @ 25,000 rpms
Concentricity:  .0001
Coolant Thru:  Yes
Gage Length:  2.5
Hydraulic Type:  HC
Material:  Hardened Alloy Steel
Rear Thread:  M12 x 1.75
Shank Size:  .1181 (3mm)
Taper:  BT30 DUAL CONTACT