CAT 40 End Mill Holders –
CoolBLAST/CoolFLEX

CAT 40 Standard End Mill Holder

Techniks Certified for bore & taper tolerances
Each holder comes with a complete lab report


CoolBLAST in-the-bore coolant ports blast coolant on the tool path, even at high RPMs.

Features

  • High precision bore (H5) is best in industry
  • No need for expensive coolant-thru tools
  • Taper ground at AT3 for maximum spindle contact

Techniks offers a wide range of CoolBLAST or CoolFLEX end mill holders, as well as our line of hybrid end mill holders that feature both CoolBLAST in-the-bore coolant channel and a CoolFLEX DIN B ports for maximum coolant flexibility.

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, CoolBLAST Coolant-Thru Bore End Mill Holders

Click on part number link to download the CAD file.

Part No.
Description
d1
l1
d2
CAT 40 x 1/4" I.D. - 2.5"
1/4"
2.5"
.78"
CAT 40 x 3/8" I.D. - 2.5"
3/8"
2.5"
1.0"
CAT 40 x 3/8" I.D. - 4"
3/8"
4"
1.0"
CAT 40 x 1/2" I.D. - 2.5"
1/2"
2.5"
1.25"
CAT 40 x 1/2" I.D. - 4"
1/2"
4"
1.25"
CAT 40 x 5/8" I.D. - 3"
5/8"
3"
1.5"
CAT 40 x 5/8" I.D. - 4"
5/8"
4"
1.5"
CAT 40 x 3/4" I.D. - 3"
3/4"
3"
1.75"
CAT 40 x 3/4" I.D. - 4"
3/4"
4"
1.75"
CAT 40 x 1.0" I.D. - 4"
1.0"
4"
2"

CAT 40, CoolFLEX DIN B End Mill Holders

Part No.
Description
d1
l1
d2
22911F CAT 40 x 1/4" I.D. - 3"
1/4"
3"
.78"
22911-2.5F CAT 40 x 1/4" I.D. - 2.5"
1/4"
2.5"
.78"
22913-2.5F CAT 40 x 5/16" I.D. - 2.5"
5/16"
2.5"
.88"
22915-2.5F CAT 40 x 3/8" I.D. - 2.5"
3/8"
2.5"
1.0"
22915F CAT 40 x 3/8" I.D. - 3"
3/8"
3"
1.0"
22917F CAT 40 x 1/2" I.D. - 3"
1/2"
3"
1.25"
22919-1.75F CAT 40 x 5/8" I.D. - 1.75"
5/8"
1.75"
1.5"
22919F CAT 40 x 5/8" I.D. - 3"
5/8"
3"
1.5"
22921-1.75F CAT 40 x 3/4" I.D. - 1.75"
3/4"
1.75"
1.75"
22921-3F CAT 40 x 3/4" I.D. - 3"
3/4"
3"
1.75"
22925-1.75F CAT 40 x 1.0" I.D. - 1.75"
1.0"
1.75"
2"
22925F CAT 40 x 1.0" I.D. - 4"
1.0"
4"
2"
22927F CAT 40 x 1-1/4" I.D. - 4.6"
1-1/4"
4.6"
2.5"
22929F CAT 40 x 1-1/2" I.D. - 4.5"
1-1/2"
4.5"
2.5"

CAT 40, CoolBLAST with CoolFLEX DIN B End Mill Holders

Part No.
Description
d1
l1
d2
CAT 40 x 1/4" I.D. - 2.5"
1/4"
2.5"
.78"
CAT 40 x 1/4" I.D. - 4"
1/4"
4"
.78"
CAT 40 x 3/8" I.D. - 2.5 "
3/8"
2.5"
1.0"
CAT 40 x 1/2" I.D. - 2.5 "
1/2"
2.5"
1.25"
CAT 40 x 5/8" I.D. - 1.75"
5/8"
1.75"
1.5"
22921-3FB
CAT 40 x 3/4" I.D. - 3"
3/4"
3"
1.75"
CAT 40 x 1.0" I.D. - 4"
1.0"
4"
2"