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CAT40 ER Collet Chucks
Designation
B 
Nut Dia
C 
Proj.
D 
Max  Socket Depth
Collet Nut
Stop Screw
 Wrench
Max RPM Balanced  up to
Price
CAT40 ER11 Collet Series - .020" - .275" (0.5mm - 7mm)
CT40-ER11-250-G6
.750
2.5
1.94
ER-11N 
ER-11S
ER-11W
12,000 G6.3
$73.90
CT40-ER11-250-G2
.750
2.5
1.94 
ER-11N 
ER-11S
ER-11W
20,000 G2.5
$93.90
CT40-ER11-400-G6
.750
4
1.94
ER-11N 
ER-11S
ER-11W
12,000 G6.3
$79.90
CT40-ER11-400-G2
.750
4
1.94 
ER-11N 
ER-11S
ER-11W
20,000 G2.5
$99.90
CT40-ER11-600-G6
.750
6
1.94
ER-11N 
ER-11S
ER-11W
12,000 G6.3
$97.90
CT40-ER11-600-G2
.750
6
1.94
ER-11N 
ER-11S
ER-11W
20,000 G2.5
$117.90
CAT40 ER16 Collet Series - .020" - .393" (0.5mm - 10mm) 
CT40-ER16-250-G6
1.100
2.5
3
ER-16N 
ER-16S 
ER-16W
12,000 G6.3
$73.90
CT40-ER16-250-G2
1.100
2.5
3
ER-16N 
ER-16S 
ER-16W
20,000 G2.5
$93.90
CT40-ER16-300-G6
1.100
3
3
ER-16N 
ER-16S 
ER-16W
12,000 G6.3
$75.90
CT40-ER16-300-G2
1.100
3
3
ER-16N 
ER-16S 
ER-16W
20,000 G2.5
$95.90
CT40-ER16-400-G6
1.100
4
3
ER-16N 
ER-16S 
ER-16W
12,000 G6.3
$79.90
CT40-ER16-400-G2
1.100
4
3
ER-16N 
ER-16S 
ER-16W
20,000 G2.5
$99.90
CT40-ER16-500-G6
1.100
5
3
ER-16N 
ER-16S 
ER-16W
12,000 G6.3
$89.90
CT40-ER16-500-G2
1.100
5
3
ER-16N 
ER-16S 
ER-16W
20,000 G2.5
$109.90
CT40-ER16-600-G6
1.100
6
3
ER-16N 
ER-16S 
ER-16W
12,000 G6.3
$97.90
CT40-ER16-600-G2
1.100
6
3
ER-16N 
ER-16S 
ER-16W
20,000 G2.5
$117.90
CAT40 ER20 Collet Series - .020" - .500" (0.5mm - 12.7mm)
CT40-ER20-300-G6
1.340
3
 3.50
ER-20N 
ER-20S 
ER-20W  
12,000 G6.3
$75.90
CT40-ER20-300-G2
1.340
3
 3.50
ER-20N 
ER-20S 
ER-20W  
20,000 G2.5
$95.90
CT40-ER20-400-G6
1.340
4
 3.95
ER-20N 
ER-20S 
ER-20W  
12,000 G6.3
$79.90
CT40-ER20-400-G2
1.340
4
 3.95
ER-20N 
ER-20S 
ER-20W  
20,000 G2.5
$99.90
CT40-ER20-600-G6
1.340
6
 3.95
ER-20N 
ER-20S 
ER-20W  
12,000 G6.3
$97.90
CT40-ER20-600-G2
1.340
6
 3.95
ER-20N 
ER-20S 
ER-20W  
20,000 G2.5
$117.90
CT40-ER20-800-G6
1.340
8
 3.95
ER-20N 
ER-20S 
ER-20W  
12,000 G6.3
$129.90
CT40-ER20-800-G2
1.340
8
 3.95
ER-20N 
ER-20S 
ER-20W  
20,000 G2.5
$149.90
CAT40 ER25 Collet Series - .039" - .630" (1mm - 16mm)
CT40-ER25-250-G6
1.660
2.5
 2.80
ER-25N 
ER-25S
ER-25W
12,000 G6.3
$74.90
CT40-ER25-250-G2
1.660
2.5
 2.80
ER-25N 
ER-25S
ER-25W
20,000 G2.5
$94.90
CT40-ER25-400-G6
1.660
4
 4.30
ER-25N 
ER-25S
ER-25W
12,000 G6.3
$79.90
CT40-ER25-400-G2
1.660
4
 4.30
ER-25N 
ER-25S
ER-25W
20,000 G2.5
$99.90
CT40-ER25-600-G6
1.660
6
 4.40
ER-25N 
ER-25S
ER-25W
12,000 G6.3
$98.90
CT40-ER25-600-G2
1.660
6
 4.40
ER-25N 
ER-25S
ER-25W
20,000 G2.5
$108.90
CAT40 ER32 Collet Series - .040" - .810" (1mm - 20.6mm)
CT40-ER32-300-G6
1.980
3
 3.45
ER-32N  
 ER-32S 
ER-32W 
12,000 G6.3
$79.90
CT40-ER32-300-G2
1.980
3
 3.45
ER-32N  
 ER-32S 
ER-32W 
20,000 G2.5
$99.90
CT40-ER32-400-G6
1.980
4
 4.30
ER-32N  
 ER-32S 
ER-32W 
12,000 G6.3
$80.90
CT40-ER32-400-G2
1.980
4
 4.30
ER-32N  
 ER-32S 
ER-32W 
20,000 G2.5
$100.90
CT40-ER32-600-G6
1.980
6
 4.60
ER-32N  
 ER-32S 
ER-32W 
12,000 G6.3
$99.90
CT40-ER32-600-G2
1.980
6
 4.60
ER-32N  
 ER-32S 
ER-32W 
20,000 G2.5
$119.90
CT40-ER32-800-G6
1.980
8
 4.60
ER-32N  
 ER-32S 
ER-32W 
12,000 G6.3
$129.90
CT40-ER32-800-G2
1.980
8
 4.60
ER-32N  
 ER-32S 
ER-32W 
20,000 G2.5
$149.90
CAT40 ER40 Collet Series - .125" - 1.024" (3mm - 26mm)
CT40-ER40-300-G6
2.250
3
 3.30
ER-40N 
ER-40S
ER-40W
12,000 G6.3
$80.90
CT40-ER40-300-G2
2.250
3
 3.30
ER-40N 
ER-40S
ER-40W
20,000 G2.5
$100.90
CT40-ER40-400-G6
2.250
4
 4.50
ER-40N 
ER-40S
ER-40W
12,000 G6.3
$89.90
CT40-ER40-400-G2
2.250
4
 4.50
ER-40N 
ER-40S
ER-40W
20,000 G2.5
$109.90
CT40-ER40-600-G6
2.250
6
 4.70  
ER-40N 
ER-40S
ER-40W
12,000 G6.3
$108.90
CT40-ER40-600-G2
2.250
6
 4.70  
ER-40N 
ER-40S
ER-40W
20,000 G2.5
$128.90
CT40-ER40-800-G6
2.250
8
 4.70 
ER-40N 
ER-40S
ER-40W
12,000 G6.3
$139.90
CT40-ER40-800-G2
2.250
8
 4.70  
ER-40N 
ER-40S
ER-40W
20,000 G2.5
$159.90

 

CAT50 ER Collet Chucks
Designation
B 
Nut Dia
C 
Proj.
D 
Max  Socket Depth
Collet Nut
Stop Screw
 Wrench
Max RPM Balanced  up to
Price
CAT50 ER16 Collet Series - .020" - .393" (0.5mm - 10mm)
CT50-ER16-400-G6
1.100
4
4.5
ER-16N
ER-16S
ER-16W
12,000 G6.3
$123.95
CT50-ER16-400-G2
1.100
4
4.5
ER-16N
ER-16S
ER-16W
15,000 G2.5
$148.95
CT50-ER16-600-G6
1.100
6
4.5
ER-16N
ER-16S
ER-16W
12,000 G6.3
$133.95
CT50-ER16-600-G2
1.100
6
4.5
ER-16N
ER-16S
ER-16W
15,000 G2.5
$159.95
CT50-ER16-800-G6
1.100
8
4.5
ER-16N
ER-16S
ER-16W
12,000 G6.3
$157.95
CT50-ER16-800-G2
1.100
8
4.5
ER-16N
ER-16S
ER-16W
15,000 G2.5
$182.95
CAT50 ER20 Collet Series - .020" - .500" (0.5mm - 12.7 mm)
CT50-ER20-250-G6
1.340
2.5
3.38
ER-20N
ER-20S
ER-20W
12,000 G6.3
$119.95
CT50-ER20-250-G2
1.340
2.5
3.38
ER-20N
ER-20S
ER-20W
15,000 G2.5
$144.95
CT50-ER20-400-G6
1.340
4
4
ER-20N
ER-20S
ER-20W
12,000 G6.3
$123.95
CT50-ER20-400-G2
1.340
4
4
ER-20N
ER-20S
ER-20W
15,000 G2.5
$148.95
CT50-ER20-600-G6
1.340
6
4
ER-20N
ER-20S
ER-20W
12,000 G6.3
$137.95
CT50-ER20-600-G2
1.340
6
4
ER-20N
ER-20S
ER-20W
15,000 G2.5
$162.95
CT50-ER20-800-G6
1.340
8
4
ER-20N
ER-20S
ER-20W
12,000 G6.3
$159.95
CT50-ER20-800-G2
1.340
8
4
ER-20N
ER-20S
ER-20W
15,000 G2.5
$184.95
CAT50 ER25 Collet Series - 039" - .630” (1mm- 16mm)
CT50-ER25-250-G6
1.660
2.5
4.5
ER-25N
ER-25S
ER-25W
12,000 G6.3
$122.95
CT50-ER25-250-G2
1.660
2.5
4.5
ER-25N
ER-25S
ER-25W
15,000 G2.5
$147.95
CT50-ER25-400-G6
1.660
4
4.5
ER-25N
ER-25S
ER-25W
12,000 G6.3
$127.95
CT50-ER25-400-G2
1.660
4
4.5
ER-25N
ER-25S
ER-25W
15,000 G2.5
$152.95
CT50-ER25-600-G6
1.660
6
4.5
ER-25N
ER-25S
ER-25W
12,000 G6.3
$139.95
CT50-ER25-600-G2
1.660
6
4.5
ER-25N
ER-25S
ER-25W
15,000 G2.5
$164.95
CT50-ER25-800-G6
1.660
8
4.5
ER-25N
ER-25S
ER-25W
12,000 G6.3
$161.95
CT50-ER25-800-G2
1.660
8
4.5
ER-25N
ER-25S
ER-25W
15,000 G2.5
$186.95
CAT50 ER32 Collet Series - .040" - .810" (1mm - 20.6mm)
CT50-ER32-300-G6
1.980
3
3.5
ER-32N
ER-32S
ER-32W
12,000 G6.3
$124.95
CT50-ER32-300-G2
1.980
3
3.5
ER-32N
ER-32S
ER-32W
15,000 G2.5
$149.95
CT50-ER32-400-G6
1.980
4
4
ER-32N
ER-32S
ER-32W
12,000 G6.3
$129.95
CT50-ER32-400-G2
1.980
4
4
ER-32N
ER-32S
ER-32W
15,000 G2.5
$154.95
CT50-ER32-500-G6
1.980
5
4
ER-32N
ER-32S
ER-32W
12,000 G6.3
$134.95
CT50-ER32-500-G2
1.980
5
4
ER-32N
ER-32S
ER-32W
15,000 G2.5
$159.95
CT50-ER32-600-G6
1.980
6
4
ER-32N
ER-32S
ER-32W
12,000 G6.3
$139.95
CT50-ER32-600-G2
1.980
6
4
ER-32N
ER-32S
ER-32W
15,000 G2.5
$164.95
CT50-ER32-800-G6
1.980
8
4
ER-32N
ER-32S
ER-32W
12,000 G6.3
$179.95
CT50-ER32-800-G2
1.980
8
4
ER-32N
ER-32S
ER-32W
15,000 G2.5
$204.95
CAT50 ER40 Collet Series - .125" - 1.024" (3mm - 26mm) 
CT50-ER40-300-G6
2.500
3
4
ER-40N
ER-40S
ER-40W
12,000 G6.3
$124.95
CT50-ER40-300-G2
2.500
3
4
ER-40N
ER-40S
ER-40W
15,000 G2.5
$149.95
CT50-ER40-400-G6
2.500
4
4.5
ER-40N
ER-40S
ER-40W
12,000 G6.3
$134.95
CT50-ER40-400-G2
2.500
4
4.5
ER-40N
ER-40S
ER-40W
15,000 G2.5
$159.95
CT50-ER40-500-G6
2.500
5
4.5
ER-40N
ER-40S
ER-40W
12,000 G6.3
$139.95
CT50-ER40-500-G2
2.500
5
4.5
ER-40N
ER-40S
ER-40W
15,000 G2.5
$164.95
CT50-ER40-600-G6
2.500
6
4.5
ER-40N
ER-40S
ER-40W
12,000 G6.3
$144.95
CT50-ER40-600-G2
2.500
6
4.5
ER-40N
ER-40S
ER-40W
15,000 G2.5
$169.95
CT50-ER40-800-G6
2.500
8
4.5
ER-40N
ER-40S
ER-40W
12,000 G6.3
$189.95
CT50-ER40-800-G2
2.500
8
4.5
ER-40N
ER-40S
ER-40W
15,000 G2.5
$214.95

 

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