Cup Expansion Plugs
Standard Sizes (In order of Size)
ERSCO# SIZE O.D.
CP-103 5/16" .332
CP-122 3/8" .385
CP-180 7/16" .447
CP-190 29/64" .479
CP-184* 1/2" .527
CP-115 9/16" .573
CP-183 19/32" .592
CP-167 5/8" .635
CP-121 41/64" .640
CP-166 43/64" .666
CP-182*> 3/4" .760
CP-186*> 7/8" .885
CP-173* 29/32" .921
CP-169*> 15/16" .945
CP-170* 1" 1.010
CP-176* 1-1/16" 1.072
CP-171* 1-1/8" 1.135
CP-168* 1-3/16" 1.191
CP-173A* 1-7/32" 1.222
CP-158*> 1-1/4" 1.259
CP-175* 1-3/8" 1.385
CP-151 1-29/64" 1.438
CP-181* 1-1/2" 1.510
CP-106* 1-9/16" 1.573
CP-104* 1-5/8" 1.638
CP-104-0* 1-5/8-0" 1.648
CP-179* 1-3/4" 1.760
CP-180A* 1-49/64" 1.765
CP-181A* 1-7/8" 1.885
CP-182A* 1-15/16" 1.953
CP-183A* 1-61/64" 1.957
CP-200 1-31/32" 1.970
CP-146* 2" 2.01
CP-186A* 2-1/64" 2.017
CP-192* 2-1/16" 2.072
CP-423* 2-1/8" 2.150
CP-156 2-9/64" 2.148
CP-204 2-3/16" 2.197
CP-188* 2-1/4" 2.259
CP-157 2-1/2" 2.510
CP-206 2-5/8" 2.635
CP-195 2-11/16" 2.697
*AVAILABLE IN BRASS-ADD "B" SUFFIX
>AVAILABLE IN STAINLESS STEEL-ADD "SS" SUFFIX
Metric Sizes (In order of Size)
ERSCO# SIZE O.D.
CP-376 7.95MM
CP-377 8.05MM
CP-111 10MM .396
CP-413 12.67MM .499
CP-412 12.95MM .510
CP-379 13.08MM
CP-159 14.6MM
CP-411 14.12MM .556
CP-160 15.88MM .625
CP-414 16.51MM .650
CP-392* 18.14MM .714
CP-391* 20.24MM .797
CP-415*> 22.17MM .873
CP-387 24.76MM
CP-164*> 25.27MM .995
CP-112* 26.16MM 1.030
CP-405 27.23MM 1.072
CP-428*> 28.32MM 1.115
CP-393* 30.25MM 1.191
CP-429* 31.5MM 1.259
CP-394* 32.23MM 1.269
CP-410 34.3MM 1.348
CP-124* 35.38MM 1.393
CP-136* 36.22MM 1.426
CP-125* 36.75MM 1.447
CP-128* 38.23MM 1.505
CP-397* 40.41MM 1.591
CP-369* 41.43MM 1.631
CP-407* 42.27MM 1.664
CP-436 44.83MM
CP-139 44.86MM 1.766
CP-398* 45.42MM 1.788
CP-399* 46.76MM 1.841
CP-371* 47.22MM 1.859
CP-143* 49.63MM 1.954
CP-400* 50.42MM 1.985
CP-437 51MM
CP-440 56.7MM
*AVAILABLE IN BRASS-ADD "B" SUFFIX
>AVAILABLE IN STAINLESS STEEL-ADD "SS" SUFFIX