We carry a variety of CAT 40 end mill holders and CAT 50 end mill holders in metric and inch sizes. Also, find Morse Taper Holders, Jacob Taper Adapters, and Shell Mill Holders for CNC milling. CAT tools are also known as Caterpillar “V-flange”.

CAT 40 END MILL HOLDERS – INCH SIZES

Centaur CAT 40 CAT40 end mill holder
Part No. D D1 L L1 Retention Knob Thread
CAT 40 STUB LENGTH
Inch Sizes
SC40SE0500
SC40SE0625
SC40SE0750
SC40SE1000
SC40SE1250
0.5000
0.6250
0.7500
1.0000
1.2500
1.750
1.750
1.750
1.750
2.250
1.750
1.750
1.750
1.750
2.000
3.189
3.180
2.350
2.350
2.350
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
STANDARD LENGTH
Inch Sizes
SC40E0187
SC40E0250
SC40E0312
SC40E0375
SC40E0437
SC40E0500
SC40E0625
SC40E0750
SC40E0875
SC40E1000
SC40E1250
SC40E1500
0.1875
0.2500
0.3125
0.3750
0.4375
0.5000
0.6250
0.7500
0.8750
1.0000
1.2500
1.5000
1.000
1.000
1.000
1.000
1.250
1.250
1.500
1.870
2.000
2.000
2.500
2.620
2.500
2.500
2.500
2.500
2.620
2.620
3.750
3.750
4.000
4.000
4.250
4.620
3.600
3.600
3.600
3.800
3.800
3.800
3.800
3.940
4.250
4.500
2.310
2.500
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
EXTENDED LENGTH
Inch Sizes
SC40EE0187
SC40EE0250
SC40EE0375
SC40EE0500
SC40EE0625
SC40EE0750
SC40EE0875
SC40EE1000
SC40EE1250
0.1875
0.2500
0.3750
0.5000
0.6250
0.7500
0.8750
1.0000
1.2500
1.000
1.000
1.250
1.500
1.750
2.000
2.000
2.000
2.500
6.000
6.000
6.000
6.000
6.000
6.000
6.000
6.000
6.000
3.800
3.800
3.800
3.800
3.800
3.800
4.250
4.500
2.310
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11

NOTE: Holders balanced to 22,000 RPM available upon request

Buy CAT 40 End Mill Holders

CAT 40 END MILL HOLDERS – METRIC SIZES

Cenatur CAT 40 end mill holder, CAT40 metric size

NOTE: Dimensions for Metric tool holders are in Millimeters.

Part No. D D1 L Retention Knob Thread
CAT 40 STUB LENGTH
Metric Sizes
SC40SE06MM
SC40SE08MM
SC40SE10MM
SC40SE12MM
SC40SE16MM
SC40SE20MM
SC40SE25MM
SC40SE32MM
6
8
10
12
16
20
25
32
25
28
35
42
44.5
44.5
44.5
57
45
45
45
45
45
45
45
50
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
STANDARD LENGTH
Metric Sizes
SC40E06MM
SC40E08MM
SC40E10MM
SC40E12MM
SC40E16MM
SC40E20MM
SC40E25MM
SC40E32MM
SC40E40MM
6
8
10
12
16
20
25
32
40
25
28
35
42
48
52
65
72
80
65
65
65
65
95
95
100
105
115
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
EXTENDED LENGTH
Metric Sizes
SC40EE06MM
SC40EE08MM
SC40EE10MM
SC40EE12MM
SC40EE16MM
SC40EE20MM
SC40EE25MM
SC40EE32MM
SC40EE40MM
6
8
10
12
16
20
25
32
40
25
28
35
42
48
52
65
72
80
150
150
150
150
150
150
150
150
150
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11
⅝-11

NOTE: Holders balanced to 22,000 RPM available upon request

Buy CAT 40 End Mill Holders

CAT 50 END MILL HOLDERS – INCH SIZES

Centaur CAT 50 end mill holder
Part No. D D1 L L1 Retention Knob Thread
CAT 50 STUB LENGTH
Inch Sizes
SC50SE0625
SC50SE0750
SC50SE1000
SC50SE1250
SC50SE1500
0.6250
0.7500
1.0000
1.2500
1.5000
1.75
1.75
2.00
2.50
2.62
2.06
2.06
2.25
2.25
2.75
4.500
4.500
4.500
2.750
2.750
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
STANDARD LENGTH
Inch Sizes
SC50E0187
SC50E0250
SC50E0312
SC50E0375
SC50E0437
SC50E0500
SC50E0625
SC50E0750
SC50E0875
SC50E1000
SC50E1250
SC50E1500
SC50E1750
SC50E2000
0.1875
0.2500
0.3125
0.3750
0.4375
0.5000
0.6250
0.7500
0.8750
1.0000
1.2500
1.5000
1.7500
2.0000
0.680
0.750
0.750
1.000
1.250
1.380
1.500
1.750
2.000
2.000
2.500
2.750
1.320
3.750
2.500
2.500
2.500
2.500
2.500
2.620
3.750
3.750
3.750
4.000
4.000
4.000
4.000
5.620
3.800
3.800
3.800
4.000
4.000
5.000
6.000
4.000
4.310
4.500
2.750
3.500
3.750
3.500
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
EXTENDED LENGTH
Inch Sizes
SC50EE0187
SC50EE0250
SC50EE0312
SC50EE0375
SC50EE0437
SC50EE0500
SC50EE0625
SC50EE0750
SC50EE0875
SC50EE1000
SC50EE1250
SC50EE1500
SC50EE2000
0.1875
0.2500
0.3125
0.3750
0.4375
0.5000
0.6250
0.7500
0.8750
1.0000
1.2500
1.5000
2.0000
0.680
0.750
0.750
1.000
1.250
1.38
1.500
1.750
1.870
2.000
2.500
2.750
3.750
4.500
4.500
4.500
4.500
4.500
4.620
5.750
5.750
5.750
6.000
6.000
6.000
7.620
7.000
7.000
7.000
7.000
7.000
7.000
8.000
4.310
4.310
4.500
2.750
3.500
3.500
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8

NOTE: Holders balanced to 22,000 RPM available upon request

Buy CAT 50 End Mill Holders

CAT 50 END MILL HOLDERS – METRIC SIZES

Centaur CAT 50 End Mill holder, CAT50 metric size

NOTE: Dimensions for Metric tool holders are in Millimeters.

Part No. D D1 L Retention Knob Thread
CAT 50 STUB LENGTH
Metric Sizes
SC50SE06MM
SC50SE08MM
SC50SE10MM
SC50SE12MM
SC50SE16MM
SC50SE20MM
SC50SE25MM
SC50SE32MM
6
8
10
12
16
20
25
32
25
28
35
42
48
52
65
70
50
50
50
50
50
50
55
55
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
STANDARD LENGTH
Metric Sizes
SC50E06MM
SC50E08MM
SC50E10MM
SC50E12MM
SC50E16MM
SC50E20MM
SC50E25MM
SC50E32MM
SC50E40MM
SC50E50MM
6
8
10
12
16
20
25
32
40
50
25
28
35
42
48
52
65
72
80
100
65
65
65
65
95
95
100
100
100
140
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
1” – 8
EXTENDED LENGTH
Metric Sizes
SC50EE06MM
SC50EE08MM
SC50EE10MM
SC50EE12MM
SC50EE16MM
SC50EE20MM
SC50EE25MM
SC50EE32MM
SC50EE40MM
SC50EE50MM
6
8
10
12
16
20
25
32
40
50
25
28
35
42
48
52
65
72
80

100
115
115
115
115
145
145
150
150
150
195
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8
1″ – 8

NOTE: Holders balanced to 22,000 RPM available upon request

Buy CAT 50 End Mill Holders

CAT COOLANT THROUGH END MILL HOLDERS

Centaur CAT Coolant Through End-Mill holders
Retention Knobs are sold separately.

CAT 40 COOLANT THROUGH END MILL HOLDERS

Part No. D D1 L Retention Knob Thread
CAT 40 COOLANT
THROUGH
SC40EK0187
SC40EK0250
SC40EK0312
SC40EK0375
SC40EK0437
SC40EK0500
SC40EK0625
SC40EK0750
SC40EK0875
SC40EK1000
SC40EK1250
SC40EK1500
0.0188
0.250
0.3125
0.375
0.4375
0.500
0.625
0.750
0.875
1.000
1.250
1.500
0.680
0.750
0.750
1.000
1.250
1.250
1.500
1.750
2.000
2.500
2.500
2.600
2.500
1.375
2.500
2.500
2.500
2.620
3.750
3.750
3.750
4.000
4.000
4.000
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11
5/8 – 11

Buy CAT 40 Coolant-Through End Mill Holders

CAT (V-Flange) MORSE TAPER HOLDERS

Centaur CAT Morse Taper holders, CAT40, CAT50

CAT 40

Part No. T Taper D L
C40MT1
C40MT2
C40MT3
C40MT4
1
2
3
4
1.000
1.250
3.000
3.750
1.750
2.440
3.000
3.750

CAT 50

Part No. T Taper D L
C50MT2
C50MT3
C50MT4
C50MT5
2
3
4
5
1.250
1.620
2.200
2.750
2.000
2.500
3.380
3.750

Buy CAT Morse Taper Holders

CAT (V-Flange) JACOBS TAPER ADAPTERS

Centaur CAT Jacobs Taper Holder

CAT 40

Part No. T Taper D L
C40JT2
C40JT3
C40JT4
C40JT6
C40JT33
2
3
4
6
33
0.559
0.811
1.120
0.676
0.624
1.375
1.375
1.375
1.375
1.375

CAT 50

Part No. T Taper D L
C50JT2
C50JT3
C50JT4
C50JT6
C50JT33
2
3
4
6
33
0.559
0.811
1.120
0.676
0.624
1.375
1.375
1.375
1.375
1.375

Buy CAT Jacobs Taper Holders

CAT (V-FLANGE) SHELL MILL HOLDERS

Centaur CAT shell mill holders, V-flange, CAT40, CAT50
CAT 40 Part No. D D1 L L1 K T S
C40SM0750
C40SME0750
C40SM1000
C40SME1000
C40SM1250
C40SME1250
C40SM1500
C40SME1500
0.750
0.750
1.000
1.000
1.250
1.250
1.500
1.500
1.75
1.75
2.19
2.19
2.88
2.88
3.81
3.81
1.375
4.000
2.062
4.000
2.125
4.000
2.406
4.000
0.68
0.68
0.68
0.68
0.68
0.68
0.94
0.94
0.31
0.31
0.38
0.38
0.50
0.50
0.62
0.62
3/8 – 24
3/8 – 24
1/2 – 20
1/2 – 20
5/8 – 18
5/8 – 18
3/4 – 18
3/4 – 18
C5002
C5002
C5003
C5003
C5004
C5004
C5005
C5005

 

CAT 50 Part No. D D1 L L1 K T S
C50SM0750
C50SME0750
C50SMEX0750
C50SM1000
C50SME1000
C50SMEX1000
C50SM1250
C50SME1250
C50SMEX1250
C50SM1500
C50SME1500
C50SMEX1500
C50SM2000
C50SME2000
C50SMEX2000
C50SM2500
C50SME2500
C50SMEX2500
0.750
0.750
0.750
1.000
1.000
1.000
1.250
1.250
1.250
1.500
1.500
1.500
2.000
2.000
2.000
2.500
2.500
2.500
1.750
1.750
1.750
2.750
2.750
2.750
2.880
2.880
2.880
3.810
3.810
3.810
4.875
4.875
4.875
4.875
4.875
4.875
1.50
3.50
5.50
2.00
4.00
6.00
1.50
3.50
5.50
2.40
4.00
6.00
2.40
4.00
6.00
2.40
4.00
6.00
0.680
0.680
0.680
0.680
0.680
0.680
0.680
0.680
0.680
0.930
0.930
0.930
0.930
0.930
0.930
1.125
1.125
1.125
0.31
0.31
0.31
0.38
0.38
0.38
0.50
0.50
0.50
0.62
0.62
0.62
0.75
0.75
0.75
1.00
1.00
1.00
3/8 – 24
3/8 – 24
3/8 – 24
1/2 – 20
1/2 – 20
1/2 – 20
5/8 – 18
5/8 – 18
5/8 – 18
3/4 – 16
3/4 – 16
3/4 – 16
1″ – 14
1″ – 14
1″ – 14
1″ – 14
1″ – 14
1″ – 14
C5002
C5002
C5002
C5003
C5003
C5003
C5004
C5004
C5004
C5005
C5005
C5005
C5006
C5006
C5006
C5006
C5006
C5006

Buy CAT Shell Mill Holders

40% off all ER collets and comparable ER products. Till the end of March.

Visit Centaur Web Store to get 25% off all Centaur products!

1-888-265-5387