Product Attributes
ANSI Code BT40DA188070M
Adapter/Shank/Bore Dia (in) 1.7500
Adapter/Shank/Bore Dia (mm) 44.450
Body Dia-Workpiece Side (in) 1.6929
Body Dia-Workpiece Side (mm) 43.000
Capacity Range (in) 1.3000
Capacity Range (mm) 33.000
Clamping Length (in) 1.8900
Clamping Length (mm) 48.000
Collet Series DA180
Gage Length (in) 2.7560
Gage Length (mm) 70.000
ISO Code BT40DA188070M
Lock Nut Diameter (in) 1.6900
Lock Nut Diameter (mm) 43.000
Overall Length (in) 5.3307
Overall Length (mm) 135.400
Shank Length (in) 2.6535
Shank Length (mm) 67.400
Style Double Angle - Round Form AD
System Size Machine Side BT40
System of Measurement Metric & Inch
Type Taper Shank Collet Chuck
Product Weight 2.4647
UOM each
Notes
BT40 Shank Tools
DA 08 Series Double-Angle Collet Chucks
The tools are either prebalanced to a high specification or balanced-by-design and will perform effectively up to 15,000 RPM
For applications higher than 15,000 RPM WIDIA recommends the complete toolholder assembly be balanced as one
Maximum 100 bar (1,500 PSI) coolant pressure
DA collet chucks are intended for gripping straight shanks, but they also has the ability to grip drill margins. DA collet chucks also offer flexibility for drilling, milling and tapping
Gripping 1:1
Clamping range 0.8mm (.031:)
Tighten locknut to the recommended tightening as specified in the WIDIA catalog
Supplied with locknut and stop screw
Stop screw coolant caps are available and must be ordered separately
DA collet chucks use standard straight-bore collets and DA non-pullout collets
Locknut wrench must be ordered separately

Collet chucks are used for drilling, milling and tapping