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ER TAP COLLETS

  • Unique design that incorporates an internal square drive with popular ER series collets.
  • Square drives match the tap square providing a tight fit for all rigid tapping applications.
  • For synchronous tapping operation using standard ER collet chuck.
  • Collet bore is exactly to the Tap shank diameter with square drive for accuracy and rigidity.
  • Available in ANSI, DIN, ISO, JIS Standard
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Collets D L
ER 16 16.0MM 27.5MM
ER 20 20.0MM 31.5MM
ER 25 25.0MM 34.0MM
ER 32 32.0MM 40.0MM
ER 40 40.0MM 46.0MM
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ANSI STANDARD TAPS

Tap Size Shank Size Square Size ER 11
#0-6 0.141 0.11 ET11-141
#8 0.168 0.131 ET11-168
#10 0.194 0.152 ET11-194
#12 0.22 0.165 ET11-220
Tap Size Shank Size Square Size ER 16
#0-6 0.141 0.11 ET16-141
#8 0.168 0.131 ET16-168
#10 0.194 0.152 ET16-194
#12 0.22 0.165 ET16-220
1/4 0.255 0.191 ET16-255
5/16 0.318 0.238 ET16-318
Tap Size Shank Size Square Size ER 20
#0-6 0.141 0.11 ET20-141
#8 0.168 0.131 ET20-168
#10 0.194 0.152 ET20-194
#12 0.22 0.165 ET20-220
1/4 0.255 0.191 ET20-255
5/16 0.318 0.238 ET20-318
3/8 0.381 0.286 ET20-381
7/16 0.323 0.242 ET20-323
1/2 0.367 0.275 ET20-367
1/16-P 0.3125 0.234 ET20-3125
1/8s-P 0.3125 0.234 ET20-3125s
Tap Size Shank Size Square Size ER 25
#0-6 0.141 0.11 ET25-141
#8 0.168 0.131 ET25-168
#10 0.194 0.152 ET25-194
#12 0.22 0.165 ET25-220
1/4 0.255 0.191 ET25-255
5/16 0.318 0.238 ET25-318
3/8 0.381 0.286 ET25-381
7/16 0.323 0.242 ET25-323
1/2 0.367 0.275 ET25-367
9/16 0.429 0.322 ET25-429
5/8 0.48 0.36 ET25-480
1/16-P 0.3125 0.234 ET25-3125
1/8s-P 0.3125 0.234 ET25-3125s
1/8-P 0.4375 0.328 ET25-4375
Tap Size Shank Size Square Size ER 32
#0-6 0.141 0.11 ET32-141
#8 0.168 0.131 ET32-168
#10 0.194 0.152 ET32-194
#12 0.22 0.165 ET32-220
1/4 0.255 0.191 ET32-255
5/16 0.318 0.238 ET32-318
3/8 0.381 0.286 ET32-381
7/16 0.323 0.242 ET32-323
1/2 0.367 0.275 ET32-367
9/16 0.429 0.322 ET32-429
5/8 0.48 0.36 ET32-480
11/16 0.542 0.406 ET32-542
3/4 0.59 0.442 ET32-590
13/16 0.652 0.489 ET32-652
1/16-P 0.3125 0.234 ET32-3125
1/8s-P 0.3125 0.234 ET32-3125s
1/8-P 0.4375 0.328 ET32-4375
1/4-P 0.5625 0.421 ET32-5625
Tap Size Shank Size Square Size ER 40
#0-6 0.141 0.11 ET40-141
#8 0.168 0.131 ET40-168
#10 0.194 0.152 ET40-194
#12 0.22 0.165 ET40-220
1/4 0.255 0.191 ET40-255
5/16 0.318 0.238 ET40-318
3/8 0.381 0.286 ET40-381
7/16 0.323 0.242 ET40-323
1/2 0.367 0.275 ET40-367
9/16 0.429 0.322 ET40-429
5/8 0.48 0.36 ET40-480
11/16 0.542 0.406 ET40-542
3/4 0.59 0.442 ET40-590
13/16 0.652 0.489 ET40-652
7/8 0.697 0.523 ET40-697
15/16 0.76 0.57 ET40-760
1" 0.8 0.6 ET40-800
1/16-P 0.3125 0.234 ET40-3125
1/8s-P 0.3125 0.234 ET40-3125s
1/8-P 0.4375 0.328 ET40-4375
1/4-P 0.5625 0.421 ET40-5625
3/8-P 0.7 0.531 ET40-7000
1/2-P 0.6875 0.515 ET40-6875

DIN, ISO & JIS STANDARD TAPS

Shank Size Square Size ER 16
3 2.5 ET16-3.0-2.5
3.15 2.5 ET16-3.15-2.5
3.5 2.7 ET16-3.5-2.7
3.55 2.8 ET16-3.55-2.8
4 3 ET16-4.0-3.0
4 3.2 ET16-4.0-3.2
4.5 3.4 ET16-4.5-3.4
5 4 ET16-5.0-4.0
5.5 4.3 ET16-5.5-4.3
5.6 4.5 ET16-5.6-4.5
6 4.5 ET16-6.0-4.5
6 4.9 ET16-6.0-4.9
6.3 5 ET16-6.3-5.0
7 5 ET16-7.0-5.0
7 5.5 ET16-7.0-5.5
7.1 5.6 ET16-7.1-5.6
Shank Size Square Size ER 20
3 2.5 ET20-3.0-2.5
3.15 2.5 ET20-3.15-2.5
3.5 2.7 ET20-3.5-2.7
3.55 2.8 ET20-3.55-2.8
4 3 ET20-4.0-3.0
4 3.2 ET20-4.0-3.2
4.5 3.4 ET20-4.5-3.4
5 4 ET20-5.0-4.0
5.5 4.3 ET20-5.5-4.3
5.6 4.5 ET20-5.6-4.5
6 4.5 ET20-6.0-4.5
6 4.9 ET20-6.0-4.9
6.3 5 ET20-6.3-5.0
7 5 ET20-7.0-5.0
7 5.5 ET20-7.0-5.5
7.1 5.6 ET20-7.1-5.6
8 6 ET20-8.0-6.0
8 6.2 ET20-8.0-6.2
8 6.3 ET20-8.0-6.3
8.5 6.5 ET20-8.5-6.5
9 7 ET20-9.0-7.0
10 8 ET20-10.0-8.0
10.5 8 ET20-10.5-8.0
Shank Size Square Size ER 25
3 2.5 ET25-3.0-2.5
3.15 2.5 ET25-3.15-2.5
3.5 2.7 ET25-3.5-2.7
3.55 2.8 ET25-3.55-2.8
4 3 ET25-4.0-3.0
4 3.2 ET25-4.0-3.2
4.5 3.4 ET25-4.5-3.4
5 4 ET25-5.0-4.0
5.5 4.3 ET25-5.5-4.3
5.6 4.5 ET25-5.6-4.5
6 4.5 ET25-6.0-4.5
6 4.9 ET25-6.0-4.9
6.3 5 ET25-6.3-5.0
7 5 ET25-7.0-5.0
7 5.5 ET25-7.0-5.5
7.1 5.6 ET25-7.1-5.6
8 6 ET25-8.0-6.0
8 6.2 ET25-8.0-6.2
8 6.3 ET25-8.0-6.3
8.5 6.5 ET25-8.5-6.5
9 7 ET25-9.0-7.0
10 8 ET25-10.0-8.0
10.5 8 ET25-10.5-8.0
11 9 ET25-11.0-9.0
11.2 9 ET25-11.2-9.0
12 9 ET25-12.0-9.0
12.5 10 ET25-12.5-10.0
Shank Size Square Size ER 32
3 2.5 ET32-3.0-2.5
3.15 2.5 ET32-3.15-2.5
3.5 2.7 ET32-3.5-2.7
3.55 2.8 ET32-3.55-2.8
4 3 ET32-4.0-3.0
4 3.2 ET32-4.0-3.2
4.5 3.4 ET32-4.5-3.4
5 4 ET32-5.0-4.0
5.5 4.3 ET32-5.5-4.3
5.6 4.5 ET32-5.6-4.5
6 4.5 ET32-6.0-4.5
6 4.9 ET32-6.0-4.9
6.3 5 ET32-6.3-5.0
7 5 ET32-7.0-5.0
7 5.5 ET32-7.0-5.5
7.1 5.6 ET32-7.1-5.6
8 6 ET32-8.0-6.0
8 6.2 ET32-8.0-6.2
8 6.3 ET32-8.0-6.3
8.5 6.5 ET32-8.5-6.5
9 7 ET32-9.0-7.0
10 8 ET32-10.0-8.0
10.5 8 ET32-10.5-8.0
11 9 ET32-11.0-9.0
11.2 9 ET32-11.2-9.0
12 9 ET32-12.0-9.0
12.5 10 ET32-12.5-10.0
14 11 ET32-14.0-11.0
14 11.2 ET32-14.0-11.2
15 12 ET32-15.0-12.0
16 12 ET32-16.0-12.0
16 12.5 ET32-16.0-12.5
Shank Size Square Size ER 40
3 2.5 ET40-3.0-2.5
3.15 2.5 ET40-3.15-2.5
3.5 2.7 ET40-3.5-2.7
3.55 2.8 ET40-3.55-2.8
4 3 ET40-4.0-3.0
4 3.2 ET40-4.0-3.2
4.5 3.4 ET40-4.5-3.4
5 4 ET40-5.0-4.0
5.5 4.3 ET40-5.5-4.3
5.6 4.5 ET40-5.6-4.5
6 4.5 ET40-6.0-4.5
6 4.9 ET40-6.0-4.9
6.3 5 ET40-6.3-5.0
7 5 ET40-7.0-5.0
7 5.5 ET40-7.0-5.5
7.1 5.6 ET40-7.1-5.6
8 6 ET40-8.0-6.0
8 6.2 ET40-8.0-6.2
8 6.3 ET40-8.0-6.3
8.5 6.5 ET40-8.5-6.5
9 7 ET40-9.0-7.0
10 8 ET40-10.0-8.0
10.5 8 ET40-10.5-8.0
11 9 ET40-11.0-9.0
11.2 9 ET40-11.2-9.0
12 9 ET40-12.0-9.0
12.5 10 ET40-12.5-10.0
14 11 ET40-14.0-11.0
14 11.2 ET40-14.0-11.2
15 12 ET40-15.0-12.0
16 12 ET40-16.0-12.0
16 12.5 ET40-16.0-12.5
17 13 ET40-17.0-13.0
18 14.5 ET40-18.0-14.5
18 14 ET40-18.0-14.0
19 15 ET40-19.0-15.0
20 16 ET40-20.0-16.0
20 15 ET40-20.0-15.0
22 18 ET40-22.0-18.0
22.4 18 ET40-22.4-18.0
25 20 ET40-25.0-20.0