CAT 40 CoolFLEX
(DIN B or Coolant Thru)

CAT DIN coolant CoolFLEX collet chucks

Techniks Certified for accuracy and balance.
Each holder comes with a complete lab report

CAT DIN coolant CoolFLEX diagram

Switch from DIN B to coolant thru!

  • Coolant-thru spindle or flange (DIN B)
  • Balanced to 25,000 RPM at G2.5
  • T.I.R. 0.0001" or better from taper to collet pocket

Techniks tool holders are manufactured to the highest possible standards to extend perishable cutting tool life and improve CNC machine performance.


CoolFLEX

CoolFLEX holders are factory set for coolant-thru spindle. Simply remove 2stop screws for DIN B coolant-thru flange.

Part No.
Description
HSA-4-6 40 taper DIN B Screw

CAT 40 DIN B or Coolant Thru CoolFLEX Tool Holders

Refer to chart below to order CAT 40 ER collet chuck toolholders. Click part number link to download CAD file.

Note: ER 11, 16 and ER 20 tool holders come with hex nut standard. For slotted nuts simply ad SLOTNUT to the end of the part number.

Part No.
Description
L1
D
Collet
Max. Shank
Set Screw
Wrench
CAT 40 x ER 16 - 2.76" AD+B, hex nut
2.76"
1.08"
ER 16
.406"
16083
04609
CAT 40 x ER 16 - 4" AD+B, hex nut
4"
1.08"
ER 16
.406"
16083
04609
CAT 40 x ER 16 - 6" AD+B, hex nut
6"
1.08"
ER 16
.406"
16083
04609
CAT 40 x ER 16 - 8" AD+B, hex nut
8"
1.08"
ER 16
.406"
16083
04609
CAT 40 x ER 20 - 2.76" AD+B, hex nut
2.76"
1.34"
ER 20
.512"
16087
04610
CAT 40 x ER 20 - 4" AD+B, hex nut
4"
1.34"
ER 20
.512"
16087
04610
CAT 40 x ER 20 - 6" AD+B, hex nut
6"
1.34"
ER 20
.512"
16087
04610
CAT 40 x ER 25 - 2.76" AD+B, slotted nut
2.76"
1.65"
ER 25
.630"
16089
04615
CAT 40 x ER 25 - 4" AD+B, slotted nut
4"
1.65"
ER 25
.630"
16089
04615
CAT 40 x ER 25 - 6" AD+B, slotted nut
6"
1.65"
ER 25
.630"
16089
04615
22251F
CAT40 x ER25 - 8", slotted nut
8"
1.65"
ER 25
.630"
16089
04615
CAT 40 x ER 32 - 2.76" AD+B, slotted nut
2.76"
1.97"
ER 32
.788"
16089
04616
CAT 40 x ER 32 - 4" AD+B, slotted nut
4"
1.97"
ER 32
.788"
16089
04616
CAT 40 x ER 32 - 6" AD+B, slotted nut
6"
1.97"
ER 32
.788"
16089
04616
CAT 40 x ER 32 - 8 " AD+B, slotted nut
8"
1.97"
ER 32
.788"
16089
04616
CAT 40 x ER 40 - 3.15" AD+B, slotted nut
3.15"
2.48"
ER 40
1.023"
16091
04617
CAT 40 x ER 40 - 4" AD+B, slotted nut
4"
2.48"
ER 40
1.023"
16091
04617