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ER Steel & Rubber Sealed Collets

  • METRIC & INCH sizes
  • ER 11 through ER 40
  • ER coolant collets are designed for use with shank tools with no flats. Use of coolant collets with tools that are not cylindrical will result in coolant leakage.
  • Only nominal size can be clamped
  • Tested to 1000 PSI
  • Small bores upto 3mm Available
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Rubber Sealed Collet
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Steal Sealed Collet

ER 11
Inch Size MM Size Dec. mm Items
  3.0 3.00 EC11-0300-3.0mm
1/8   3.18 EC11-0318-1/8
  3.5 3.50 EC11-0350-3.5mm
9/64   3.57 EC11-0357-9/64
5/32   3.97 EC11-0397-5/32
  4.0 4.00 EC11-0400-4.0mm
11/64   4.37 EC11-0437-11/64
  4.5 4.50 EC11-0450-4.5mm
3/16   4.76 EC11-0476-3/16
  5.0 5.00 EC11-0500-5.0mm
13/64   5.16 EC11-0516-13/64
  5.5 5.50 EC11-0550-5.5mm
7/32   5.56 EC11-0556-7/32
15/64   5.95 EC11-0595-15/64
  6.0 6.00 EC11-0600-6.0mm
1/4   6.35 EC11-0635-1/4
  6.5 6.50 EC11-0650-6.5mm
17/64   6.75 EC11-0675-17/64
  7.0 7.00 EC11-0700-7.0mm
ER 16
Inch Size MM Size Dec. mm Items
  3.0 3.00 EC16-0300-3.0mm
1/8   3.18 EC16-0318-1/8
  3.5 3.50 EC16-0350-3.5mm
9/64   3.57 EC16-0357-9/64
5/32   3.97 EC16-0397-5/32
  4.0 4.00 EC16-0400-4.0mm
11/64   4.37 EC16-0437-11/64
  4.5 4.50 EC16-0450-4.5mm
3/16   4.76 EC16-0476-3/16
  5.0 5.00 EC16-0500-5.0mm
13/64   5.16 EC16-0516-13/64
  5.5 5.50 EC16-0550-5.5mm
7/32   5.56 EC16-0556-7/32
15/64   5.95 EC16-0595-15/64
  6.0 6.00 EC16-0600-6.0mm
1/4   6.35 EC16-0635-1/4
  6.5 6.50 EC16-0650-6.5mm
17/64   6.75 EC16-0675-17/64
  7.0 7.00 EC16-0700-7.0mm
9/32   7.14 EC16-0714-9/32
  7.5 7.50 EC16-0750-7.5mm
19/64   7.54 EC16-0754-19/64
5/16   7.94 EC16-0794-5/16
  8.0 8.00 EC16-0800-8.0mm
21/64   8.33 EC16-0833-21/64
  8.5 8.50 EC16-0850-8.5mm
11/32   8.73 EC16-0873-11/32
  9.0 9.00 EC16-0900-9.0mm
23/64   9.13 EC16-0913-23/64
  9.5 9.50 EC16-0950-9.5mm
3/8   9.53 EC16-0953-3/8
25/64   9.92 EC16-0992-25/64
  10.0 10.00 EC16-1000-10.0mm
ER 20
Inch Size MM Size Dec. mm Items
  3.0 3.00 EC20-0300-3.0mm
1/8   3.18 EC20-0318-1/8
  3.5 3.50 EC20-0350-3.5mm
9/64   3.57 EC20-0357-9/64
5/32   3.97 EC20-0397-5/32
  4.0 4.00 EC20-0400-4.0mm
11/64   4.37 EC20-0437-11/64
  4.5 4.50 EC20-0450-4.5mm
3/16   4.76 EC20-0476-3/16
  5.0 5.00 EC20-0500-5.0mm
13/64   5.16 EC20-0516-13/64
  5.5 5.50 EC20-0550-5.5mm
7/32   5.56 EC20-0556-7/32
15/64   5.95 EC20-0595-15/64
  6.0 6.00 EC20-0600-6.0mm
1/4   6.35 EC20-0635-1/4
  6.5 6.50 EC20-0650-6.5mm
17/64   6.75 EC20-0675-17/64
  7.0 7.00 EC20-0700-7.0mm
9/32   7.14 EC20-0714-9/32
  7.5 7.50 EC20-0750-7.5mm
19/64   7.54 EC20-0754-19/64
5/16   7.94 EC20-0794-5/16
  8.0 8.00 EC20-0800-8.0mm
21/64   8.33 EC20-0833-21/64
  8.5 8.50 EC20-0850-8.5mm
11/32   8.73 EC20-0873-11/32
  9.0 9.00 EC20-0900-9.0mm
23/64   9.13 EC20-0913-23/64
  9.5 9.50 EC20-0950-9.5mm
3/8   9.53 EC20-0953-3/8
25/64   9.92 EC20-0992-25/64
  10.0 10.00 EC20-1000-10.0mm
3/32   10.32 EC20-1020-13/32
  10.5 10.50 EC20-1050-10.5mm
7/64   10.72 EC20-1072-27/64
  11.0 11.00 EC20-1100-11.0mm
7/16   11.11 EC20-1111-7/16
  11.5 11.50 EC20-1150-11.5mm
29/64   11.51 EC20-1151-29/64
1/16   1.59 EC20-1159-1/16
15/32   11.91 EC20-1191-15/32
  12.0 12.00 EC20-1200-12.0mm
31/64   12.30 EC20-1230-31/64
  12.5 12.50 EC20-1250-12.5mm
1/2   12.70 EC20-1270-1/2
  13.0 13.00 EC20-1300-13.0mm
ER 25
Inch Size MM Size Dec. mm Items
  3.0 3.00 EC25-0300-3.0mm
1/8   3.18 EC25-0318-1/8
  3.5 3.50 EC25-0350-3.5mm
9/64   3.57 EC25-0357-9/64
5/32   3.97 EC25-0397-5/32
  4.0 4.00 EC25-0400-4.0mm
11/64   4.37 EC25-0437-11/64
  4.5 4.50 EC25-0450-4.5mm
3/16   4.76 EC25-0476-3/16
  5.0 5.00 EC25-0500-5.0mm
13/64   5.16 EC25-0516-13/64
  5.5 5.50 EC25-0550-5.5mm
7/32   5.56 EC25-0556-7/32
15/64   5.95 EC25-0595-15/64
  6.0 6.00 EC25-0600-6.0mm
1/4   6.35 EC25-0635-1/4
  6.5 6.50 EC25-0650-6.5mm
17/64   6.75 EC25-0675-17/64
  7.0 7.00 EC25-0700-7.0mm
9/32   7.14 EC25-0714-9/32
  7.5 7.50 EC25-0750-7.5mm
19/64   7.54 EC25-0754-19/64
5/16   7.94 EC25-0794-5/16
  8.0 8.00 EC25-0800-8.0mm
21/64   8.33 EC25-0833-21/64
  8.5 8.50 EC25-0850-8.5mm
11/32   8.73 EC25-0873-11/32
  9.0 9.00 EC25-0900-9.0mm
23/64   9.13 EC25-0913-23/64
  9.5 9.50 EC25-0950-9.5mm
3/8   9.53 EC25-0953-3/8
25/64   9.92 EC25-0992-25/64
  10.0 10.00 EC25-1000-10.0mm
3/32   10.32 EC25-10EC25-13/32
  10.5 10.50 EC25-1050-10.5mm
7/64   10.72 EC25-1072-27/64
  11.0 11.00 EC25-1100-11.0mm
7/16   11.11 EC25-1111-7/16
  11.5 11.50 EC25-1150-11.5mm
29/64   11.51 EC25-1151-29/64
1/16   1.59 EC25-1159-1/16
15/32   11.91 EC25-1191-15/32
  12.0 12.00 EC25-1200-12.0mm
31/64   12.30 EC25-1230-31/64
  12.5 12.50 EC25-1250-12.5mm
1/2   12.70 EC25-1270-1/2
  13.0 13.00 EC25-1300-13.0mm
33/64   13.10 EC25-1310-33/64
7/32   13.49 EC25-1349-17/32
  13.5 13.50 EC25-1350-13.5mm
35/64   13.89 EC25-1389-35/64
  14.0 14.00 EC25-1400-14.0mm
9/16   14.29 EC25-1429-9/16
  14.5 14.50 EC25-1450-14.5mm
37/64   14.68 EC25-1468-37/64
  15.0 15.00 EC25-1500-15.0mm
19/32   15.08 EC25-1508-19/32
39/64   15.48 EC25-1548-39/64
  15.5 15.50 EC25-1550-15.5mm
5/8   15.88 EC25-1588-5/8
  16.0 16.00 EC25-1600-16.0mm
ER 32
Inch Size MM Size Dec. mm Items
  3.0 3.00 EC32-0300-3.0mm
1/8   3.18 EC32-0318-1/8
  3.5 3.50 EC32-0350-3.5mm
9/64   3.57 EC32-0357-9/64
5/32   3.97 EC32-0397-5/32
  4.0 4.00 EC32-0400-4.0mm
11/64   4.37 EC32-0437-11/64
  4.5 4.50 EC32-0450-4.5mm
3/16   4.76 EC32-0476-3/16
  5.0 5.00 EC32-0500-5.0mm
13/64   5.16 EC32-0516-13/64
  5.5 5.50 EC32-0550-5.5mm
7/32   5.56 EC32-0556-7/32
15/64   5.95 EC32-0595-15/64
  6.0 6.00 EC32-0600-6.0mm
1/4   6.35 EC32-0635-1/4
  6.5 6.50 EC32-0650-6.5mm
17/64   6.75 EC32-0675-17/64
  7.0 7.00 EC32-0700-7.0mm
9/32   7.14 EC32-0714-9/32
  7.5 7.50 EC32-0750-7.5mm
19/64   7.54 EC32-0754-19/64
5/16   7.94 EC32-0794-5/16
  8.0 8.00 EC32-0800-8.0mm
21/64   8.33 EC32-0833-21/64
  8.5 8.50 EC32-0850-8.5mm
11/32   8.73 EC32-0873-11/32
  9.0 9.00 EC32-0900-9.0mm
23/64   9.13 EC32-0913-23/64
  9.5 9.50 EC32-0950-9.5mm
3/8   9.53 EC32-0953-3/8
25/64   9.92 EC32-0992-25/64
  10.0 10.00 EC32-1000-10.0mm
13/32   10.32 EC32-10EC32-13/32
  10.5 10.50 EC32-1050-10.5mm
27/64   10.72 EC32-1072-27/64
  11.0 11.00 EC32-1100-11.0mm
7/16   11.11 EC32-1111-7/16
  11.5 11.50 EC32-1150-11.5mm
29/64   11.51 EC32-1151-29/64
1/16   1.59 EC32-1159-1/16
15/32   11.91 EC32-1191-15/32
  12.0 12.00 EC32-1200-12.0mm
31/64   12.30 EC32-1230-31/64
  12.5 12.50 EC32-1250-12.5mm
1/2   12.70 EC32-1270-1/2
  13.0 13.00 EC32-1300-13.0mm
33/64   13.10 EC32-1310-33/64
17/32   13.49 EC32-1349-17/32
  13.5 13.50 EC32-1350-13.5mm
35/64   13.89 EC32-1389-35/64
  14.0 14.00 EC32-1400-14.0mm
9/16   14.29 EC32-1429-9/16
  14.5 14.50 EC32-1450-14.5mm
37/64   14.68 EC32-1468-37/64
  15.0 15.00 EC32-1500-15.0mm
19/32   15.08 EC32-1508-19/32
39/64   15.48 EC32-1548-39/64
  15.5 15.50 EC32-1550-15.5mm
5/8   15.88 EC32-1588-5/8
  16.0 16.00 EC32-1600-16.0mm
41/64   16.27 EC32-1627-41/64
  16.5 16.50 EC32-1650-16.5mm
21/32   16.67 EC32-1667-21/32
  17.0 17.00 EC32-1700-17.0mm
43/64   17.07 EC32-1707-43/64
11/16   17.46 EC32-1746-11/16
  17.5 17.50 EC32-1750-17.5mm
45/64   17.86 EC32-1786-45/64
  18.0 18.00 EC32-1800-18.0mm
23/32   18.26 EC32-1826-23/32
  18.5 18.50 EC32-1850-18.5mm
47/64   18.65 EC32-1865-47/64
  19.0 19.00 EC32-1900-19.0mm
3/4   19.05 EC32-1905-3/4
49/64   19.45 EC32-1945-49/64
  19.5 19.50 EC32-1950-19.5mm
25/32   19.84 EC32-1984-25/32
  20.0 20.00 EC32-2000-20.0mm
51/64   20.24 EC32-2024-51/64
  20.5 20.50 EC32-2050-20.5mm
13/16   20.64 EC32-2064-13/16
ER 40
Inch Size MM Size Dec. mm Items
  4.0 4.00 EC40-0400-4.0mm
11/64   4.37 EC40-0437-11/64
  4.5 4.50 EC40-0450-4.5mm
3/16   4.76 EC40-0476-3/16
  5.0 5.00 EC40-0500-5.0mm
13/64   5.16 EC40-0516-13/64
  5.5 5.50 EC40-0550-5.5mm
7/32   5.56 EC40-0556-7/32
15/64   5.95 EC40-0595-15/64
  6.0 6.00 EC40-0600-6.0mm
1/4   6.35 EC40-0635-1/4
  6.5 6.50 EC40-0650-6.5mm
17/64   6.75 EC40-0675-17/64
  7.0 7.00 EC40-0700-7.0mm
9/32   7.14 EC40-0714-9/32
  7.5 7.50 EC40-0750-7.5mm
19/64   7.54 EC40-0754-19/64
5/16   7.94 EC40-0794-5/16
  8.0 8.00 EC40-0800-8.0mm
21/64   8.33 EC40-0833-21/64
  8.5 8.50 EC40-0850-8.5mm
11/32   8.73 EC40-0873-11/32
  9.0 9.00 EC40-0900-9.0mm
23/64   9.13 EC40-0913-23/64
  9.5 9.50 EC40-0950-9.5mm
3/8   9.53 EC40-0953-3/8
25/64   9.92 EC40-0992-25/64
  10.0 10.00 EC40-1000-10.0mm
13/32   10.32 EC40-10EC40-13/32
  10.5 10.50 EC40-1050-10.5mm
27/64   10.72 EC40-1072-27/64
  11.0 11.00 EC40-1100-11.0mm
7/16   11.11 EC40-1111-7/16
  11.5 11.50 EC40-1150-11.5mm
29/64   11.51 EC40-1151-29/64
1/16   1.59 EC40-1159-1/16
15/32   11.91 EC40-1191-15/32
  12.0 12.00 EC40-1200-12.0mm
31/64   12.30 EC40-1230-31/64
  12.5 12.50 EC40-1250-12.5mm
1/2   12.70 EC40-1270-1/2
  13.0 13.00 EC40-1300-13.0mm
33/64   13.10 EC40-1310-33/64
17/32   13.49 EC40-1349-17/32
  13.5 13.50 EC40-1350-13.5mm
35/64   13.89 EC40-1389-35/64
  14.0 14.00 EC40-1400-14.0mm
9/16   14.29 EC40-1429-9/16
  14.5 14.50 EC40-1450-14.5mm
37/64   14.68 EC40-1468-37/64
  15.0 15.00 EC40-1500-15.0mm
19/32   15.08 EC40-1508-19/32
39/64   15.48 EC40-1548-39/64
  15.5 15.50 EC40-1550-15.5mm
5/8   15.88 EC40-1588-5/8
  16.0 16.00 EC40-1600-16.0mm
41/64   16.27 EC40-1627-41/64
  16.5 16.50 EC40-1650-16.5mm
21/32   16.67 EC40-1667-21/32
  17.0 17.00 EC40-1700-17.0mm
43/64   17.07 EC40-1707-43/64
11/16   17.46 EC40-1746-11/16
  17.5 17.50 EC40-1750-17.5mm
45/64   17.86 EC40-1786-45/64
  18.0 18.00 EC40-1800-18.0mm
23/32   18.26 EC40-1826-23/32
  18.5 18.50 EC40-1850-18.5mm
47/64   18.65 EC40-1865-47/64
  19.0 19.00 EC40-1900-19.0mm
3/4   19.05 EC40-1905-3/4
49/64   19.45 EC40-1945-49/64
  19.5 19.50 EC40-1950-19.5mm
25/32   19.84 EC40-1984-25/32
  20.0 20.00 EC40-2000-20.0mm
51/64   20.24 EC40-2024-51/64
  20.5 20.50 EC40-2050-20.5mm
13/16   20.64 EC40-2064-13/16
  21.0 21.00 EC40-2100-21mm
53/64   21.03 EC40-2103-53/64
27/32   21.43 EC40-2143-27/32
  21.5 21.50 EC40-2150-21.5mm
55/64   21.83 EC40-2183-55/64
  22.0 22.00 EC40-2200-22.0mm
7/8   22.23 EC40-2223-7/8
  22.5 22.50 EC40-2250-22.5mm
57/64   22.62 EC40-2262-57/64
  23.0 23.00 EC40-2300-23.0mm
29/32   23.02 EC40-2302-29/32
59/64   23.42 EC40-2342-59/64
  23.5 23.50 EC40-2350-23.5mm
15/16   23.81 EC40-2381-15/16
  24.0 24.00 EC40-2400-24.0mm
61/64   24.21 EC40-2421-61/64
  24.5 24.50 EC40-2450-24.5mm
31/32   24.61 EC40-2461-31/32
  25.0 25.00 EC40-2500-25.0mm
63/64   25.00 EC40-2500-63/64
1   25.40 EC40-2540-1