BT40 ER-Collet Tool Holder

These BT40 tool holders are metalworking toolholding BT holders with keyway, widely used with VMC (vertical machining center), cnc milling machine, cnc machining center, etc.

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31.35 

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1156001
BT40-ER20-100L
31.35 
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1156002
BT40-ER32-70L
31.35 
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BT40-ER32-100L
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Description

  Details


Model ER Collet
Size
L L1 D M Clamping
Capacity
Weight
[kg]
Dimension
BT40-ER11-70L ER11 70 45 19 M16 1 -7mm 1.1 bt40 er collet tool holder dimension
BT40-ER11-100L ER11 100 75 19 M16 1 -7mm 1.1
BT40-ER16-70L ER16 70 45 28 M16 1 -10mm 1.1
BT40-ER16-100L ER16 100 75 28 M16 1 -10mm 1.3
BT40-ER16-150L ER16 150 125 28 M16 1 -10mm 1.6
BT40-ER20-70L ER20 70 45 34 M16 1 -13mm 1.3
BT40-ER20-100L ER20 100 75 34 M16 1 -13mm 1.4
BT40-ER20-150L ER20 150 125 34 M16 1 -13mm 1.8
BT40-ER25-70L ER25 70 45 42 M16 1 -16mm 1.3
BT40-ER25-100L ER25 100 75 42 M16 1 -16mm 1.5
BT40-ER25-150L ER25 150 125 42 M16 1-16mm 2.1
BT40-ER32-70L ER32 70 45 50 M16 3 -20mm 1.4
BT40-ER32-100L ER32 100 75 50 M16 3 -20mm 1.8
BT40-ER32-150L ER32 150 125 50 M16 3 -20mm 2.6
Pictures, dimensions, table data and technical drawings of this product are made with reasonable care and liability is excluded for the accuracy and correctness of this data.

FEATURES

  • Accuracy / runout: 0.002mm
  • Material: 20CrMnTi
  • Hardness: 55-58HRC
  • Dynamic balanced for speed: 25000-30000 rpm
  • Wearproof screw thread, more loading/unloading times
  • Hardened surface, last for long time use
  • Coolant thru capability
  • All critical tool holder surfaces precision ground
  • Rear thread for pull stud is M16 X 2.0

Like CAT Tooling, BT Tooling comes in a range of sizes designated as BT 30, BT 40, BT 50, etc. and uses the same NMTB body taper as CAT 40. BT tooling is symmetrical about the spindle axis, which CAT tooling is not. This gives BT tooling greater stability and balance at high speeds. BT Tool Holders will accept both Imperial and metric sized tools. BT Tooling looks very similar and can easily be confused with CAT tooling. The difference between CAT and BT is the flange style, thickness, and the thread for the pull stud is a different size. BT Tool Holders use Metric thread pull studs (retention knobs).


 

 

 

 

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BT40 ER-Collet Tool Holder

These BT40 tool holders are metalworking toolholding BT holders with keyway, widely used with VMC (vertical machining center), cnc milling machine, cnc machining center, etc.