ER COLLET CHUCKS
ER TAP COLLETS
L1 ER Tap Collets feature a unique design that incorporates an internal square drive with our popular ER Series Collets. The square drive matches the tap square, providing a tight fit for all rigid tapping applications. Note: Diameter and Square size are in accordance with U.S. Standard Taps.
Part Number
ER Series
Tap Inch Style Tap Metric Size
L1 (mm)
ø
ET16-138 ET16-157 ET16-168 ET16-177 ET16-194 ET16-197 ET16-220 ET16-236 ET16-255 ET16-275 ET16-315 ET20-138 ET20-157 ET20-168 ET20-177 ET20-194 ET20-197 ET20-220 ET20-236 ET20-255 ET20-275 ET20-315 ET20-318 ET20-323 ET20-354 ET20-367 ET20-381 ET20-394 ET25-138 ET25-157 ET25-168 ET25-177 ET25-194 ET25-197 ET25-220 ET25-236 ET25-255 ET25-275 ET25-315 ET25-318 ET25-323 ET25-354 ET25-367 ET25-381 ET25-394 ET25-429 ET25-433 ET25-437 ET25-472 ET25-480
ER16 ER16 ER16 ER16 ER16 ER16 ER16 ER16 ER16 ER16 ER16 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER20 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25 ER25
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M3, M5
18 19 15 18 15 18 15 18 22 18 22 20 18 15 18 15 18 15 20 20 18 22 20 20 22 25 20 22 18 18 15 18 15 18 15 22 20 22 22 20 20 22 25 20 25 25 25 18 25 25
0.138" 0.157" 0.168" 0.177" 0.194" 0.197" 0.220" 0.236" 0.255" 0.276" 0.315" 0.138" 0.157" 0.168" 0.177" 0.194" 0.197" 0.220" 0.236" 0.255" 0.276" 0.315" 0.318" 0.323" 0.354" 0.367" 0.381" 0.394" 0.138" 0.157" 0.168" 0.177" 0.194" 0.197" 0.220" 0.236" 0.255" 0.276" 0.315" 0.318" 0.323" 0.354" 0.367" 0.381" 0.394" 0.429" 0.433" 0.437" 0.472" 0.480"
0.106" 0.118" 0.131" 0.134" 0.152" 0.157" 0.165" 0.193" 0.191" 0.217" 0.244" 0.106" 0.118" 0.131" 0.134" 0.152" 0.157" 0.165" 0.193" 0.191" 0.217" 0.244" 0.238" 0.242" 0.276" 0.275" 0.286" 0.315" 0.106" 0.118" 0.131" 0.134" 0.152" 0.157" 0.165" 0.193" 0.191" 0.217" 0.244" 0.238" 0.242" 0.276" 0.275" 0.286" 0.315" 0.322" 0.354" 0.328" 0.354" 0.360"
M3.5
#8, 5/32"
M4
-
M4, M6 M4.5, M5
#10, 3/16"
-
M5
#12, 7/32"
-
-
M5, M6, M8 M6, M6.5
#14, 1/4"
- - - -
M10
M8, M10 M3, M5
M3.5
#8, 5/32"
M4
-
M4, M6 M4.5, M5
#10, 3/16"
-
M5
#12, 7/32"
-
-
M6
#14, 1/4"
M6, M6.5
- -
M10
M8, M10
5/16" 7/16"
M7, M6.5, M8
-
-
M12
1/2" 3/8"
M12, M12.5
M10 M10
- - -
M3, M5
M3.5
#8, 5/32"
M4
M4, M6 M4.5, M5
#10, 3/16"
-
M5
#12, 7/32"
-
-
M5, M6, M8 M6, M6.5
#14, 1/4"
- -
M10
M8, M10
5/16" 7/16"
M7, M6.5, M8
-
-
M12
1/2" 3/8"
M12, M12.5
M10 M10 M14 M14 M16 M16 -
-
9/16"
-
1/8" NPT(L)
-
5/8"
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