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Last Updated: 9/22/2005
© 1996~2005
Gromax Enterprises Corp.
All Right Reserved.

• PRICES, SPECIFICATIONS, AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE.

End Mill Holder

Collet Chuck & Collets

Jacobs Taper/Drill Chuck

Boring Head Holder

Retention Stud

 

 
 
GROMAX>CNC Tool Holder>Boring Head Holder & Cutter Head
 

Boring Head Holder & Cutter Head

Boring Head Holder:
CAT40/50
BT40/50
SK40/50

Cutter Head:
Double Cutter Head
Fine Double Cutter Head
 

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Boring Holder (CAT40/50)  
 
 
CAT40:
 
Model
Shank Type
ECK No.
A (mm)
B (mm)
L (mm)
L1 (mm)
L (in)
L1 (in)
Price
CAT40-ECK1-60
CAT40
1
12
23
60
35
2.36
1.38
CAT40-ECK1-100
CAT40
1
12
23
100
75
3.94
2.95
CAT40-ECK2-100
CAT40
2
14
29
100
75
3.94
2.95
CAT40-ECK2-150
CAT40
2
14
29
150
125
5.91
4.92
CAT40-ECK3-100
CAT40
3
18
37
100
75
3.94
2.95
CAT40-ECK3-150
CAT40
3
18
37
150
125
5.91
4.92
CAT40-ECK4-100
CAT40
4
25
48
100
75
3.94
2.95
CAT40-ECK4-150
CAT40
4
25
48
150
125
5.91
4.92
CAT40-ECK5-150
CAT40
5
35
60
150
125
5.91
4.92
CAT40-ECK5-200
CAT40
5
35
60
200
175
7.87
6.89
CAT50:
 
Model
Shank Type
ECK No.
A (mm)
B (mm)
L (mm)
L1 (mm)
L (in)
L1 (in)
Price
CAT50-ECK1-100
CAT50
1
12
23
100
75
3.94
2.95
CAT50-ECK2-100
CAT50
2
14
29
100
75
3.94
2.95
CAT50-ECK3-100
CAT50
3
18
37
100
75
3.94
2.95
CAT50-ECK3-150
CAT50
3
18
37
150
125
5.91
4.92
CAT50-ECK4-150
CAT50
4
25
48
150
125
5.91
4.92
CAT50-ECK4-200
CAT50
4
25
48
200
175
7.87
6.89
CAT50-ECK5-150
CAT50
5
35
60
150
125
5.91
4.92
CAT50-ECK5-200
CAT50
5
35
60
200
175
7.87
6.89
CAT50-ECK5-250
CAT50
5
35
60
250
225
9.84
8.86
CAT50-ECK6-150
CAT50
6
45
80
150
125
5.91
4.92
CAT50-ECK6-200
CAT50
6
45
80
200
175
7.87
6.89
CAT50-ECK6-250
CAT50
6
45
80
250
225
9.84
8.86
 

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Boring Holder (BT40/50)  
 
BT40:
 
Model
Shank Type
ECK No.
A (mm)
B (mm)
L (mm)
L1 (mm)
L (in)
L1 (in)
Price
BT40-ECK1-60
BT40
1
12
23
60
33
2.36
1.30
BT40-ECK1-80
BT40
1
12
23
80
--
3.15
--
BT40-ECK1-100
BT40
1
12
23
100
73
3.94
2.87
BT40-ECK2-100
BT40
2
14
29
100
73
3.94
2.87
BT40-ECK2-150
BT40
2
14
29
150
123
5.91
4.84
BT40-ECK3-100
BT40
3
18
37
100
73
3.94
2.87
BT40-ECK3-150
BT40
3
18
37
150
123
5.91
4.84
BT40-ECK4-100
BT40
4
25
48
100
73
3.94
2.87
BT40-ECK4-150
BT40
4
25
48
150
123
5.91
4.84
BT40-ECK5-150
BT40
5
35
60
150
123
5.91
4.84
BT40-ECK5-200
BT40
5
35
60
200
173
7.87
6.81
BT50:
 
Model
Shank Type
ECK No.
A (mm)
B (mm)
L (mm)
L1 (mm)
L (in)
L1 (in)
Price
BT50-ECK1-100
BT50
1
12
23
100
62
3.94
2.44
BT50-ECK2-100
BT50
2
14
29
100
62
3.94
2.44
BT50-ECK3-100
BT50
3
18
37
100
62
3.94
2.44
BT50-ECK3-150
BT50
3
18
37
150
112
5.91
4.41
BT50-ECK4-150
BT50
4
25
48
150
112
5.91
4.41
BT50-ECK4-200
BT50
4
25
48
200
162
7.87
6.38
BT50-ECK5-150
BT50
5
35
60
150
112
5.91
4.92
BT50-ECK5-200
BT50
5
35
60
200
162
7.87
6.38
BT50-ECK5-250
BT50
5
35
60
250
212
9.84
8.35
BT50-ECK6-150
BT50
6
45
80
150
112
5.91
4.41
BT50-ECK6-200
BT50
6
45
80
200
162
7.87
6.38
BT50-ECK6-250
BT50
6
45
80
250
212
9.84
8.35
 

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Boring Holder (SK40/50)  
 
 
SK40:
 
Model
Shank Type
ECK No.
A (mm)
B (mm)
L (mm)
L1 (mm)
L (in)
L1 (in)
Price
SK40-ECK1-60
SK40
1
12
23
60
35
2.36
1.38
Call for Pricing
SK40-ECK1-100
SK40
1
12
23
100
75
3.94
2.95
Call for Pricing
SK40-ECK2-100
SK40
2
14
29
100
75
3.94
2.95
Call for Pricing
SK40-ECK2-150
SK40
2
14
29
150
125
5.91
4.92
Call for Pricing
SK40-ECK3-100
SK40
3
18
37
100
75
3.94
2.95
Call for Pricing
SK40-ECK3-150
SK40
3
18
37
150
125
5.91
4.92
Call for Pricing
SK40-ECK4-100
SK40
4
25
48
100
75
3.94
2.95
Call for Pricing
SK40-ECK4-150
SK40
4
25
48
150
125
5.91
4.92
Call for Pricing
SK40-ECK5-150
SK40
5
35
60
150
125
5.91
4.92
Call for Pricing
SK40-ECK5-200
SK40
5
35
60
200
175
7.87
6.89
Call for Pricing
SK50:
 
Model
Shank Type
ECK No.
A (mm)
B (mm)
L (mm)
L1 (mm)
L (in)
L1 (in)
Price
SK50-ECK1-100
SK50
1
12
23
100
75
3.94
2.95
Call for Pricing
SK50-ECK2-100
SK50
2
14
29
100
75
3.94
2.95
Call for Pricing
SK50-ECK3-100
SK50
3
18
37
100
75
3.94
2.95
Call for Pricing
SK50-ECK3-150
SK50
3
18
37
150
125
5.91
4.92
Call for Pricing
SK50-ECK4-150
SK50
4
25
48
150
125
5.91
4.92
Call for Pricing
SK50-ECK4-200
SK50
4
25
48
200
175
7.87
6.89
Call for Pricing
SK50-ECK5-150
SK50
5
35
60
150
125
5.91
4.92
Call for Pricing
SK50-ECK5-200
SK50
5
35
60
200
175
7.87
6.89
Call for Pricing
SK50-ECK5-250
SK50
5
35
60
250
225
9.84
8.86
Call for Pricing
SK50-ECK6-150
SK50
6
45
80
150
125
5.91
4.92
Call for Pricing
SK50-ECK6-200
SK50
6
45
80
200
175
7.87
6.89
Call for Pricing
SK50-ECK6-250
SK50
6
45
80
250
225
9.84
8.86
Call for Pricing
 

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Double Cutter Head  
 
CAT40-ECK3-100 w/ ERB43-55  
Unit: mm
Model
ECK No.
B
C
L
A
Boring Range
D
Cutter
Price
ERB27-35
1
23
12
40
27~35 (1.03~1.38")
CCMT060204
ERB34-44
2
29
14
45
34~44 (1.34~1.73")
CCMT060204
ERB43-55
3
37
18
55
43~55 (1.69~2.16")
CCMT090308
ERB54-76
4
48
25
60
54~76 (2.13~ .99")
CCMT120408
ERB75-105
5
60
35
75
75~105 (2.95~4.13")
CCMT120408
ERB104-150
6
80
45
90
104~150 (4.09~5.90")
CCMT120408
 

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Fine Double Cutter Head  
 
 
Unit: mm
Model
ECK No.
B
C
L
A
Boring Range
D
Cutter
Price
EFB27-35
1
23
12
40
27~35 (1.03~1.38")
TPGX090202L
EFB34-44
2
29
14
45
34~44 (1.34~1.73")
TPGX090202L
EFB43-55
3
37
18
55
43~55 (1.69~2.16")
TPGX110202L
EFB54-76
4
48
25
60
54~76 (2.13~ .99")
TPGX110202L
EFB75-105
5
60
35
75
75~105 (2.95~4.13")
TPGX110202L
EFB104-150
6
80
45
90
104~150 (4.09~5.90")
TPGX110202L

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