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CAT40 End Mill Holders
Designation
A
Endmill Size
C 
Proj.
B 
Outside Dia.
D 
Max Depth
E
F
Set Screw 
Balanced To
Price
CAT40 Endmill Holders - 1/8” Diameter
CT40-EM012-250-G6
1/8 
2.50
.690
4.20
.19
--
10-32
12,000 G6.3
$63.95
CT40-EM012-250-G2
1/8 
2.50
.690
4.20
.19
--
10-32
20,000 G2.5
$83.95
CAT40 Endmill Holders - 3/16” Diameter
CT40-EM188-250-G6
3/16 
2.50
.750
4.20
.44
--
10-32
12,000 G6.3
$63.95
CT40-EM188-250-G2
3/16 
2.50
.750
4.20
.44
--
10-32
20,000 G2.5
$83.95
CT40-EM188-400-G6
3/16 
4.00
.750
5.70
.44
--
10-32
12,000 G6.3
$79.95
CT40-EM188-400-G2
3/16 
4.00
.750
5.70
.44
--
10-32
20,000 G2.5
$99.95
CAT40 Endmill Holders - 1/4” Diameter
CT40-EM250-250-G6
1/4
2.50
.880
4.20
.44
--
1/4-28
12,000 G6.3
$63.95
CT40-EM250-250-G2
1/4 
2.50
.880
4.20
.44
--
1/4-28
20,000 G2.5
$83.95
CT40-EM250-400-G6
1/4
4.00
.880
5.70
.44
--
1/4-28
12,000 G6.3
$69.95
CT40-EM250-400-G2
1/4
4.00
.880
5.70
.44
--
1/4-28
20,000 G2.5
$89.95
CT40-EM250-600-G6
1/4 
6.00
.880
7.70
.44
--
1/4-28
12,000 G6.3
$75.95
CT40-EM250-600-G2
1/4 
6.00
.880
7.70
.44
--
1/4-28
20,000 G2.5
$95.95
CAT40 Endmill Holders - 5/16” Diameter
CT40-EM312-250-G6
5/16 
2.50
.880
4.20
.44
--
1/4-28
12,000 G6.3
$63.95
CT40-EM312-250-G2
5/16 
2.50
.880
4.20
.44
--
1/4-28
20,000 G2.5
$83.95
CT40-EM312-400-G6
5/16 
4.00
.880
5.70
.44
--
1/4-28
12,000 G6.3
$69.95
CT40-EM312-400-G2
5/16 
4.00
.880
5.70
.44
--
1/4-28
20,000 G2.5
$89.95
CT40-EM312-600-G6
5/16 
6.00
.880
7.70
.44
--
1/4-28
12,000 G6.3
$75.95
CT40-EM312-600-G2
5/16 
6.00
.880
7.70
.44
--
1/4-28
20,000 G2.5
$95.95
CAT40 Endmill Holders - 3/8” Diameter
CT40-EM375-250-G6
3/8 
2.50
1.000
4.20
.75
--
3/8-24
12,000 G6.3
$63.95
CT40-EM375-250-G2
3/8 
2.50
1.000
4.20
.75
--
3/8-24
20,000 G2.5
$83.95
CT40-EM375-400-G6
3/8 
4.00
1.000
5.70
.75
--
3/8-24
12,000 G6.3
$69.95
CT40-EM375-400-G2
3/8 
4.00
1.000
5.70
.75
--
3/8-24
20,000 G2.5
$89.95
CT40-EM375-600-G6
3/8 
6.00
1.000
7.70
.75
--
3/8-24
12,000 G6.3
$69.95
CT40-EM375-600-G2
3/8 
6.00
1.000
7.70
.75
--
3/8-24
20,000 G2.5
$89.95
CAT40 Endmill Holders - 7/16” Diameter
CT40-EM437-262-G6
7/16 
2.62
1.000
4.32
.75
--
3/8-24
12,000 G6.3
$63.95
CT40-EM437-262-G2
7/16 
2.62
1.000
4.32
.75
--
3/8-24
20,000 G2.5
$83.95
CT40-EM437-400-G6
7/16 
4.00
1.000
5.70
.75
--
3/8-24
12,000 G6.3
$75.95
CT40-EM437-400-G2
7/16 
4.00
1.000
5.70
.75
--
3/8-24
20,000 G2.5
$95.95
CAT40 Endmill Holders - 1/2” Diameter
CT40-EM500-262-G6
1/2 
2.62
1.375
4.32
.88
--
7/16-20
12,000 G6.3
$63.95
CT40-EM500-262-G2
1/2 
2.62
1.375
4.32
.88
--
7/16-20
20,000 G2.5
$83.95
CT40-EM500-400-G6
1/2 
4.00
1.375
5.70
.88
--
7/16-20
12,000 G6.3
$69.95
CT40-EM500-400-G2
1/2
4.00
1.375
5.70
.88
--
7/16-20
20,000 G2.5
$95.95
CT40-EM500-600-G6
1/2
6.00
1.375
7.70
.88
--
7/16-20
12,000 G6.3
$75.95
CT40-EM500-600-G2
1/2 
6.00
1.375
7.70
.88
--
7/16-20
20,000 G2.5
$89.95
CAT40 Endmill Holders - 9/16” Diameter
CT40-EM563-262-G6
9/16 
2.62
1.375
2.05
.88
--
7/16-20
12,000 G6.3
$63.95
CT40-EM563-262-G2
9/16 
2.62
1.375
2.05
.88
--
7/16-20
20,000 G2.5
$83.95
CAT40 Endmill Holders - 5/8” Diameter
CT40-EM625-175-G6
5/8 
1.75
1.750
2.1
.70
--
9/16-18
12,000 G6.3
$63.95
CT40-EM625-175-G2
5/8 
1.75
1.750
2.38
.70
--
9/16-18
20,000 G2.5
$83.95
CT40-EM625-300-G6
5/8
3.00
1.500
2.1
.94
--
9/16-18
12,000 G6.3
$69.95
CT40-EM625-300-G2
5/8 
3.00
1.500
3.21
.94
--
9/16-18
20,000 G2.5
$89.95
CT40-EM625-600-G6
5/8 
6.00
1.500
2.1
.94
--
9/16-18
12,000 G6.3
$75.95
CT40-EM625-600-G2
5/8 
6.00
1.500
3.62
.94
--
9/16-18
20,000 G2.5
$95.95


CAT40 End Mill Holders
Designation
A
Endmill Size
C 
Proj.
B 
Outside Dia.
D 
Max Depth
E
F
Set Screw 
Balanced To
Price
CAT40 Endmill Holders - 3/4” Diameter
CT40-EM750-175-G6
3/4 
1.75
1.750
2.25
.70
--
5/8-18
12,000 G6.3
$63.95
CT40-EM750-175-G2
3/4 
1.75
1.750
2.25
.70
--
5/8-18
20,000 G2.5
$83.95
CT40-EM750-300-G6
3/4 
3.00
1.750
2.30
1.00
--
5/8-18
12,000 G6.3
$69.95
CT40-EM750-300-G2
3/4 
3.00
1.750
3.94
1.00
--
5/8-18
20,000 G2.5
$89.95
CT40-EM750-600-G6
3/4 
6.00
1.750
2.30
1.00
--
5/8-18
12,000 G6.3
$75.95
CT40-EM750-600-G2
3/4 
6.00
1.750
3.94
1.00
--
5/8-18
20,000 G2.5
$95.95
CAT40 Endmill Holders - 7/8” Diameter
CT40-EM875-600-G6
7/8 
6.00
2.000
2.5
1.00
--
5/8-18
12,000 G6.3
$75.95
CT40-EM875-600-G2
7/8 
6.00
2.000
4.00
1.00
--
5/8-18
20,000 G2.5
$95.95
CAT40 Endmill Holders - 1” Diameter
CT40-EM100-175-G6
1 
1.75
1.750
2.25
.83
--
3/4-16
12,000 G6.3
$63.95
CT40-EM100-175-G2
1
1.75
1.750
2.25
.83
--
3/4-16
20,000 G2.5
$83.95
CT40-EM100-400-G6
1 
4.00
2.000
2.83
1.12
--
3/4-16
12,000 G6.3
$69.95
CT40-EM100-400-G2
1 
4.00
2.000
2.83
1.12
--
3/4-16
20,000 G2.5
$89.95
CT40-EM100-600-G6
1
6.00
2.000
2.83
1.12
--
3/4-16
12,000 G6.3
$75.95
CT40-EM100-600-G2
1
6.00
2.000
2.83
1.12
--
3/4-16
20,000 G2.5
$95.95
CAT40 Endmill Holders - 1 1/4” Diameter
CT40-EM125-250-G6
1-1/4
2.50
2.250
2.5
1.00
--
3/4-16
12,000 G6.3
$63.95
CT40-EM125-250-G2
1-1/4
2.50
2.250
2.5
1.00
--
3/4-16
20,000 G2.5
$83.95
CT40-EM125-400-G6
1-1/4 
4.00
2.250
3.00
1.12
.835
(2) 3/4-16
12,000 G6.3
$69.95
CT40-EM125-400-G2
1-1/4
4.00
2.250
3.00
1.12
.835
(2) 3/4-16
20,000 G2.5
$89.95
CT40-EM125-600-G6
1-1/4 
6.00
2.250
3.00
1.12
.835
(2) 3/4-16
12,000 G6.3
$75.95
CT40-EM125-600-G2
1-1/4
6.00
2.250
3.00
1.12
.835
(2) 3/4-16
20,000 G2.5
$95.95
CAT40 Endmill Holders - 1 1/2” Diameter
CT40-EM150-462-G6
1-1/2 
4.62
2.600
2.75
1.12
.855
(2) 3/4-16
12,000 G6.3
$69.95
CT40-EM150-462-G2
1-1/2 
4.62
2.600
2.75
1.12
.855
(2) 3/4-16
20,000 G2.5
$89.95





CAT50 End Mill Holders
Designation
A
Endmill Size
C 
Proj.
B 
Outside Dia.
D 
Max Depth
E
F
Set Screw 
Balanced To
Price
CAT50 Endmill Holders - 3/16” Diameter
CT50-EM188-250-G6
3/16 
2.50
.680
--
.44
--
10-32
12,000 G6.3
$74.90
CT50-EM188-250-G2
3/16 
2.50
.680
--
.44
--
10-32
15,000 G2.5

$94.90
CT50-EM188-400-G6
3/16 
4.00
.680
--
.44
--
10-32
12,000 G6.3
$82.90
CT50-EM188-400-G2
3/16 
4.00
.680
--
.44
--
10-32
15,000 G2.5

$102.90
CAT50 Endmill Holders - 1/4” Diameter
CT50-EM250-250-G6
1/4
2.50
.880
--
.44
--
1/4-28
12,000 G6.3
$74.90
CT50-EM250-250-G2
1/4 
2.50
.880
--
.44
--
1/4-28
15,000 G2.5

$94.90
CT50-EM250-400-G6
1/4
4.00
.880
--
.44
--
1/4-28
12,000 G6.3
$82.90
CT50-EM250-400-G2
1/4
4.00
.880
--
.44
--
1/4-28
15,000 G2.5

$102.90
CT50-EM250-600-G6
1/4 
6.00
.880
--
.44
--
1/4-28
12,000 G6.3
$94.90
CT50-EM250-600-G2
1/4 
6.00
.880
--
.44
--
1/4-28
15,000 G2.5
$114.90
CAT50 Endmill Holders - 5/16” Diameter
CT50-EM312-250-G6
5/16 
2.50
1.000
--
.44
--
1/4-28
12,000 G6.3
$74.90
CT50-EM312-250-G2
5/16 
2.50
1.000
--
.44
--
1/4-28
15,000 G2.5

$94.90
CT50-EM312-400-G6
5/16 
4.00
1.000
--
.44
--
1/4-28
12,000 G6.3
$82.90
CT50-EM312-400-G2
5/16 
4.00
1.000
--
.44
--
1/4-28
15,000 G2.5

$102.90
CT50-EM312-600-G6
5/16 
6.00
1.000
--
.44
--
1/4-28
12,000 G6.3
$94.90
CT50-EM312-600-G2
5/16 
6.00
1.000
--
.44
--
1/4-28
15,000 G2.5
$114.90
CAT50 Endmill Holders - 3/8” Diameter
CT50-EM375-250-G6
3/8 
2.50
1.000
--
.75
--
3/8-24
12,000 G6.3
$74.90
CT50-EM375-250-G2
3/8 
2.50
1.000
--
.75
--
3/8-24
15,000 G2.5

$94.90
CT50-EM375-400-G6
3/8 
4.00
1.000
--
.75
--
3/8-24
12,000 G6.3
$82.90
CT50-EM375-400-G2
3/8 
4.00
1.000
--
.75
--
3/8-24
15,000 G2.5

$102.90
CT50-EM375-600-G6
3/8 
6.00
1.000
--
.75
--
3/8-24
12,000 G6.3
$90.90
CT50-EM375-600-G2
3/8 
6.00
1.000
--
.75
--
3/8-24
15,000 G2.5
$110.90
CAT50 Endmill Holders - 7/16” Diameter
CT50-EM437-250-G6
7/16 
2.50
1.000
--
.75
--
3/8-24
12,000 G6.3
$74.90
CT50-EM437-250-G2
7/16 
2.50
1.000
--
.75
--
3/8-24
15,000 G2.5

$94.90
CT50-EM437-400-G6
7/16 
4.00
1.000
--
.75
--
3/8-24
12,000 G6.3
$103.90
CT50-EM437-400-G2
7/16 
4.00
1.000
--
.75
--
3/8-24
15,000 G2.5
$123.90
CT50-EM437-600-G6
7/16 
6.00
1.000
--
.75
--
3/8-24
12,000 G6.3
$112.90
CT50-EM437-600-G2
7/16 
6.00
1.000
--
.75
--
3/8-24
15,000 G2.5
$132.90
CAT50 Endmill Holders - 1/2” Diameter
CT50-EM500-262-G6
1/2 
2.62
1.375
--
.88
--
7/16-20
12,000 G6.3
$74.90
CT50-EM500-262-G2
1/2 
2.62
1.375
--
.88
--
7/16-20
15,000 G2.5

$94.90
CT50-EM500-400-G6
1/2 
4.00
1.375
--
.88
--
7/16-20
12,000 G6.3
$82.90
CT50-EM500-400-G2
1/2
4.00
1.375
--
.88
--
7/16-20
15,000 G2.5

$102.90
CT50-EM500-600-G6
1/2
6.00
1.375
--
.88
--
7/16-20
12,000 G6.3
$90.90
CT50-EM500-600-G2
1/2 
6.00
1.375
--
.88
--
7/16-20
15,000 G2.5
$110.90
 


CAT50 End Mill Holders
Designation
A
Endmill Size
C 
Proj.
B 
Outside Dia.
D 
Max Depth
E
F
Set Screw 
Balanced To
Price
CAT50 Endmill Holders - 5/8” Diameter
CT50-EM625-138-G6
5/8
1.38
2.750
--
.70
--
9/16-18
12,000 G6.3
$74.90
CT50-EM625-138-G2
5/8
1.38
2.750
--
.70
--
9/16-18
15,000 G2.5

$94.90
CT50-EM625-300-G6
5/8
3.00
1.750
--
.94
--
9/16-18
12,000 G6.3
$82.90
CT50-EM625-300-G2
5/8
3.00
1.750
--
.94
--
9/16-18
15,000 G2.5

$102.90
CT50-EM625-600-G6
5/8
6.00
1.750
--
.94
--
9/16-18
12,000 G6.3
$90.90
CT50-EM625-600-G2
5/8
6.00
1.750
--
.94
--
9/16-18
15,000 G2.5
$110.90
CAT50 Endmill Holders - 3/4” Diameter
CT50-EM750-138-G6
3/4 
1.38
2.750
--
.67
--
5/8-11
12,000 G6.3
$74.90

CT50-EM750-138-G2
3/4 
1.38
2.750
--
.67
--
5/8-11
15,000 G2.5

$94.90
CT50-EM750-300-G6
3/4 
3.00
1.750
--
.67
--
5/8-11
12,000 G6.3
$82.90
CT50-EM750-300-G2
3/4 
3.00
1.750
--
.67
--
5/8-11
15,000 G2.5

$102.90
CT50-EM750-600-G6
3/4 
6.00
1.750
--
1.00
--
5/8-11
12,000 G6.3
$90.90
CT50-EM750-600-G2
3/4 
6.00
1.750
--
1.00
--
5/8-11
15,000 G2.5
$110.90
CAT50 Endmill Holders - 7/8” Diameter
CT50-EM875-400-G6
7/8 
4.00
2.000
2.50
1.00
--
5/8-11
12,000 G6.3
$86.90
CT50-EM875-400-G2
7/8 
4.00
2.000
2.50
1.00
--
5/8-11
15,000 G2.5

$106.90
CT50-EM875-600-G6
7/8 
6.00
2.000
2.50
1.00
--
5/8-11
12,000 G6.3
$94.90
CT50-EM875-600-G2
7/8 
6.00
2.000
2.50
1.00
--
5/8-11
15,000 G2.5
$114.90
CAT50 Endmill Holders - 1” Diameter
CT50-EM100-138-G6
1 
1.38
2.750
2.25
.83
--
3/4-16
12,000 G6.3
$74.90
CT50-EM100-138-G2
1
1.38
2.750
2.25
.83
--
3/4-16
15,000 G2.5

$94.90
CT50-EM100-400-G6
1 
4.00
2.000
2.83
1.12
--
3/4-16
12,000 G6.3
$83.90
CT50-EM100-400-G2
1 
4.00
2.000
2.83
1.12
--
3/4-16
15,000 G2.5

$103.90
CT50-EM100-600-G6
1
6.00
2.000
2.83
1.12
--
3/4-16
12,000 G6.3
$90.00
CT50-EM100-600-G2
1
6.00
2.000
2.83
1.12
--
3/4-16
15,000 G2.5
$110.90
CAT50 Endmill Holders - 1 1/4” Diameter
CT50-EM125-200-G6
1-1/4
2.00
2.750
2.55
.87
--
3/4-16
12,000 G6.3
$74.90
CT50-EM125-200-G2
1-1/4
2.00
2.750
2.55
.87
--
3/4-16
15,000 G2.5

$94.90
CT50-EM125-400-G6
1-1/4 
4.00
2.750
3.00
1.12
1.00
(2) 3/4-16
12,000 G6.3
$83.90
CT50-EM125-400-G2
1-1/4
4.00
2.750
3.00
1.12
1.00
(2) 3/4-16
15,000 G2.5

$103.90
CT50-EM125-600-G6
1-1/4 
6.00
2.500
3.00
1.12
1.00
(2) 3/4-16
12,000 G6.3
$90.00
CT50-EM125-600-G2
1-1/4
6.00
2.500
3.00
1.12
1.00
(2) 3/4-16
15,000 G2.5
$110.90
CAT50 Endmill Holders - 1 1/2” Diameter
CT50-EM150-200-G6
1-1/2 
2.00
2.750
2.75
1.12
--
3/4-16
12,000 G6.3
$81.90
CT50-EM150-200-G2
1-1/2 
2.00
2.750
2.75
1.12
--
3/4-16
15,000 G2.5

$101.90
CT50-EM150-450-G6
1-1/2 
4.50
2.500
2.75
1.12
1.00
(2) 3/4-16
12,000 G6.3
$89.90
CT50-EM150-450-G2
1-1/2 
4.50
2.500
2.75
1.12
1.00
(2) 3/4-16
15,000 G2.5

$109.90
CAT50 Endmill Holders - 2” Diameter
CT50-EM200-500-G6
2 
5.00
3.750
3.50
1.41
1.50
(2) 3/4-16
12,000 G6.3
$94.90
CT50-EM200-500-G2
2 
5.00
3.750
3.50
1.41
1.50
(2) 3/4-16
15,000 G2.5
$114.90
CT50-EM200-800-G6
2 
8.00
3.750
3.50
1.41
1.50
(2) 3/4-16
12,000 G6.3
$117.90
CT50-EM200-800-G2
2
8.00
3.750
3.50
1.41
1.50
(2) 3/4-16
15,000 G2.5
$137.90
 


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