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Product Search - Expansion Plugs / 5791

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Tapered Cup Expansion Plugs, Cupped Plugs

Tapered cup expansion plugs are used to plug or seal an existing hole for higher pressure than concave style.

Use our Quick Search below to source steel (cold rolled steel) tapered cup expansion plugs from our wide selection of options.

Material: Steel (CRS)

Customary Finishes: Black Oxide (BO), Nickel (N), Zinc Type II & III (Z2 & Z3) (other finishes also available)

Not all available materials or finishes are listed in our catalog for every part number. If you require a different material, finish or size, please submit a quote.

If you need additional information on your particular tapered cup expansion plug application click on one of the links below:
     View our material & finish specification sheets
     View metallic material characteristic information
     View finish characteristic information

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Dimensions in Inches

Product Number	Nominal Plug Dia	A (Min)	A (Max)	B (Min)	B (Max)	C	T	Material	Finish	Stock	Leadtime	Get Pricing
5791-1	0.281	0.271	0.281	0.286	0.289	0.172	0.036	Cold Rolled Steel		5040	In Stock - Ready To Ship!	Price
5791-1-BO	0.281	0.271	0.281	0.286	0.289	0.172	0.036	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-1-N	0.281	0.271	0.281	0.286	0.289	0.172	0.036	Cold Rolled Steel	Nickel	0	5-6 Weeks	Price
5791-1-Z2	0.281	0.271	0.281	0.286	0.289	0.172	0.036	Cold Rolled Steel	Zinc Type II	0	4-5 Weeks for <= 5040 7-8 Weeks for > 5040	Price
5791-1-Z3	0.281	0.271	0.281	0.286	0.289	0.172	0.036	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 5040 7-8 Weeks for > 5040	Price
5791-26	0.312	0.302	0.312	0.317	0.320	0.168	0.036	Cold Rolled Steel		1148	In Stock - Ready To Ship!	Price
5791-26-BO	0.312	0.302	0.312	0.317	0.320	0.168	0.036	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-26-C1	0.312	0.302	0.312	0.317	0.320	0.168	0.036	Cold Rolled Steel	Cadmium Type I	0	5-6 Weeks for <= 1148 8-9 Weeks for > 1148	Price
5791-26-N	0.312	0.302	0.312	0.317	0.320	0.168	0.036	Cold Rolled Steel	Nickel	0	5-6 Weeks for <= 1148 8-9 Weeks for > 1148	Price
5791-26-Z3	0.312	0.302	0.312	0.317	0.320	0.168	0.036	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 1148 7-8 Weeks for > 1148	Price
5791-27	0.344	0.334	0.344	0.349	0.352	0.172	0.036	Cold Rolled Steel		367	In Stock - Ready To Ship!	Price
5791-27-BO	0.344	0.334	0.344	0.349	0.352	0.172	0.036	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-27-Z3	0.344	0.334	0.344	0.349	0.352	0.172	0.036	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 367 7-8 Weeks for > 367	Price
5791-2-BO	0.375	0.365	0.375	0.381	0.384	0.240	0.048	Cold Rolled Steel	Black Oxide	1471	In Stock - Ready To Ship!	Price
5791-2	0.375	0.365	0.375	0.381	0.384	0.240	0.048	Cold Rolled Steel		4509	In Stock - Ready To Ship!	Price
5791-28	0.406	0.396	0.406	0.412	0.415	0.240	0.048	Cold Rolled Steel		2	In Stock - Ready To Ship!	Price
5791-28-BO	0.406	0.396	0.406	0.412	0.415	0.240	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-28-N	0.406	0.396	0.406	0.412	0.415	0.240	0.048	Cold Rolled Steel	Nickel	22	In Stock - Ready To Ship!	Price
5791-28-Z3	0.406	0.396	0.406	0.412	0.415	0.240	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 2 7-8 Weeks for > 2	Price
5791-3	0.438	0.428	0.438	0.444	0.447	0.240	0.048	Cold Rolled Steel		4217	In Stock - Ready To Ship!	Price
5791-3-BO	0.438	0.428	0.438	0.444	0.447	0.240	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-3-Z3	0.438	0.428	0.438	0.444	0.447	0.240	0.048	Cold Rolled Steel	Zinc Type III	10	In Stock - Ready To Ship!	Price
5791-4	0.469	0.459	0.469	0.475	0.478	0.240	0.048	Cold Rolled Steel		8255	In Stock - Ready To Ship!	Price
5791-4-BO	0.469	0.459	0.469	0.475	0.478	0.240	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-4-Z2	0.469	0.459	0.469	0.475	0.478	0.240	0.048	Cold Rolled Steel	Zinc Type II	0	4-5 Weeks for <= 8255 7-8 Weeks for > 8255	Price
5791-4-Z3	0.469	0.459	0.469	0.475	0.478	0.240	0.048	Cold Rolled Steel	Zinc Type III	4	In Stock - Ready To Ship!	Price
5791-5	0.500	0.490	0.500	0.506	0.509	0.380	0.048	Cold Rolled Steel		41811	In Stock - Ready To Ship!	Price
5791-5-BO	0.500	0.490	0.500	0.506	0.509	0.380	0.048	Cold Rolled Steel	Black Oxide	872	In Stock - Ready To Ship!	Price
5791-5-N	0.500	0.490	0.500	0.506	0.509	0.380	0.048	Cold Rolled Steel	Nickel	0	4-5 Weeks for <= 41811 7-8 Weeks for > 41811	Price
5791-5-Z2	0.500	0.490	0.500	0.506	0.509	0.380	0.048	Cold Rolled Steel	Zinc Type II	0	4-5 Weeks for <= 41811 7-8 Weeks for > 41811	Price
5791-5-Z3	0.500	0.490	0.500	0.506	0.509	0.380	0.048	Cold Rolled Steel	Zinc Type III	4756	In Stock - Ready To Ship!	Price
5791-6	0.531	0.521	0.531	0.537	0.540	0.380	0.048	Cold Rolled Steel		156	In Stock - Ready To Ship!	Price
5791-6-BO	0.531	0.521	0.531	0.537	0.540	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-6-Z3	0.531	0.521	0.531	0.537	0.540	0.380	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 156 7-8 Weeks for > 156	Price
5791-24	0.547	0.544	0.554	0.560	0.565	0.210	0.032	Cold Rolled Steel		18980	In Stock - Ready To Ship!	Price
5791-24-BO	0.547	0.544	0.554	0.560	0.565	0.210	0.032	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-24-N	0.547	0.544	0.554	0.560	0.565	0.210	0.032	Cold Rolled Steel	Nickel	0	4-5 Weeks for <= 18980 7-8 Weeks for > 18980	Price
5791-24-Z3	0.547	0.544	0.554	0.560	0.565	0.210	0.032	Cold Rolled Steel	Zinc Type III	291	In Stock - Ready To Ship!	Price
5791-7	0.562	0.552	0.562	0.568	0.571	0.380	0.048	Cold Rolled Steel		93	In Stock - Ready To Ship!	Price
5791-7-BO	0.562	0.552	0.562	0.568	0.571	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-7-Z3	0.562	0.552	0.562	0.568	0.571	0.380	0.048	Cold Rolled Steel	Zinc Type III	5436	In Stock - Ready To Ship!	Price
5791-8	0.594	0.584	0.594	0.600	0.603	0.380	0.048	Cold Rolled Steel		2355	In Stock - Ready To Ship!	Price
5791-8-BO	0.594	0.584	0.594	0.600	0.603	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-9	0.625	0.615	0.625	0.631	0.634	0.380	0.048	Cold Rolled Steel		0	3-4 Weeks	Price
5791-9-BO	0.625	0.615	0.625	0.631	0.634	0.380	0.048	Cold Rolled Steel	Black Oxide	18	In Stock - Ready To Ship!	Price
5791-9-Z2	0.625	0.615	0.625	0.631	0.634	0.380	0.048	Cold Rolled Steel	Zinc Type II	0	7-8 Weeks	Price
5791-9-Z3	0.625	0.615	0.625	0.631	0.634	0.380	0.048	Cold Rolled Steel	Zinc Type III	0	7-8 Weeks	Price
5791-10	0.656	0.646	0.656	0.662	0.665	0.380	0.048	Cold Rolled Steel		570	In Stock - Ready To Ship!	Price
5791-10-BO	0.656	0.646	0.656	0.662	0.665	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-10-Z3	0.656	0.646	0.656	0.662	0.665	0.380	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 570 7-8 Weeks for > 570	Price
5791-11	0.688	0.678	0.688	0.694	0.697	0.380	0.048	Cold Rolled Steel		74598	In Stock - Ready To Ship!	Price
5791-11-BO	0.688	0.678	0.688	0.694	0.697	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-12	0.719	0.709	0.719	0.725	0.728	0.380	0.048	Cold Rolled Steel		1162	In Stock - Ready To Ship!	Price
5791-12-BO	0.719	0.709	0.719	0.725	0.728	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-13	0.750	0.740	0.750	0.756	0.759	0.380	0.048	Cold Rolled Steel		8291	In Stock - Ready To Ship!	Price
5791-13-BO	0.750	0.740	0.750	0.756	0.759	0.380	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks for <= 8291 7-8 Weeks for > 8291	Price
5791-13-Z3	0.750	0.740	0.750	0.756	0.759	0.380	0.048	Cold Rolled Steel	Zinc Type III	1071	In Stock - Ready To Ship!	Price
5791-33	0.812	0.802	0.812	0.818	0.821	0.500	0.048	Cold Rolled Steel		122	In Stock - Ready To Ship!	Price
5791-33-BO	0.812	0.802	0.812	0.818	0.821	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-33-N	0.812	0.802	0.812	0.818	0.821	0.500	0.048	Cold Rolled Steel	Nickel	0	4-5 Weeks for <= 122 7-8 Weeks for > 122	Price
5791-33-Z3	0.812	0.802	0.812	0.818	0.821	0.500	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 122 7-8 Weeks for > 122	Price
5791-14	0.875	0.865	0.875	0.881	0.884	0.500	0.048	Cold Rolled Steel		1918	In Stock - Ready To Ship!	Price
5791-14-BO	0.875	0.865	0.875	0.881	0.884	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-14-Z3	0.875	0.865	0.875	0.881	0.884	0.500	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 1918 7-8 Weeks for > 1918	Price
5791-15	0.922	0.917	0.927	0.933	0.936	0.500	0.048	Cold Rolled Steel		86	In Stock - Ready To Ship!	Price
5791-15-BO	0.922	0.917	0.927	0.933	0.936	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-16	0.938	0.928	0.938	0.944	0.947	0.500	0.048	Cold Rolled Steel		250	In Stock - Ready To Ship!	Price
5791-16-BO	0.938	0.928	0.938	0.944	0.947	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-17	1	0.990	1	1.006	1.009	0.500	0.048	Cold Rolled Steel		768	In Stock - Ready To Ship!	Price
5791-17-BO	1	0.990	1	1.006	1.009	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-17-Z3	1	0.990	1	1.006	1.009	0.500	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 768 7-8 Weeks for > 768	Price
5791-25	1.063	1.052	1.062	1.069	1.073	0.500	0.048	Cold Rolled Steel		8027	In Stock - Ready To Ship!	Price
5791-25-BO	1.063	1.052	1.062	1.069	1.073	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-25-Z3	1.063	1.052	1.062	1.069	1.073	0.500	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 8027 7-8 Weeks for > 8027	Price
5791-29	1.125	1.115	1.125	1.132	1.136	0.500	0.048	Cold Rolled Steel		2171	In Stock - Ready To Ship!	Price
5791-29-BO	1.125	1.115	1.125	1.132	1.136	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-29-Z2	1.125	1.115	1.125	1.132	1.136	0.500	0.048	Cold Rolled Steel	Zinc Type II	0	4-5 Weeks for <= 2171 8-9 Weeks for > 2171	Price
5791-18	1.188	1.178	1.188	1.195	1.199	0.500	0.048	Cold Rolled Steel		592	In Stock - Ready To Ship!	Price
5791-18-BO	1.188	1.178	1.188	1.195	1.199	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-19	1.250	1.240	1.250	1.257	1.261	0.500	0.048	Cold Rolled Steel		2096	In Stock - Ready To Ship!	Price
5791-19-BO	1.250	1.240	1.250	1.257	1.261	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-19-Z3	1.250	1.240	1.250	1.257	1.261	0.500	0.048	Cold Rolled Steel	Zinc Type III	6	In Stock - Ready To Ship!	Price
5791-30	1.250	1.240	1.250	1.257	1.261	0.250	0.060	Cold Rolled Steel		0	3-4 Weeks	Price
5791-30-BO	1.250	1.240	1.250	1.257	1.261	0.250	0.060	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-30-Z2	1.250	1.240	1.250	1.257	1.261	0.250	0.060	Cold Rolled Steel	Zinc Type II	0	7-8 Weeks	Price
5791-30-Z3	1.250	1.240	1.250	1.257	1.261	0.250	0.060	Cold Rolled Steel	Zinc Type III	865	In Stock - Ready To Ship!	Price
5791-34	1.312	1.302	1.312	1.319	1.323	0.500	0.048	Cold Rolled Steel		63	In Stock - Ready To Ship!	Price
5791-34-BO	1.312	1.302	1.312	1.319	1.323	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-20	1.375	1.365	1.375	1.382	1.386	0.500	0.048	Cold Rolled Steel		17290	In Stock - Ready To Ship!	Price
5791-20-BO	1.375	1.365	1.375	1.382	1.386	0.500	0.048	Cold Rolled Steel	Black Oxide	309	In Stock - Ready To Ship!	Price
5791-31	1.437	1.428	1.438	1.445	1.449	0.500	0.048	Cold Rolled Steel		566	In Stock - Ready To Ship!	Price
5791-31-BO	1.437	1.428	1.438	1.445	1.449	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-21	1.500	1.490	1.500	1.507	1.511	0.500	0.048	Cold Rolled Steel		1154	In Stock - Ready To Ship!	Price
5791-21-BO	1.500	1.490	1.500	1.507	1.511	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-21-Z3	1.500	1.490	1.500	1.507	1.511	0.500	0.048	Cold Rolled Steel	Zinc Type III	38	In Stock - Ready To Ship!	Price
5791-32	1.625	1.615	1.625	1.633	1.637	0.500	0.048	Cold Rolled Steel		1	In Stock - Ready To Ship!	Price
5791-32-BO	1.625	1.615	1.625	1.633	1.637	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-22	1.750	1.740	1.750	1.758	1.762	0.500	0.048	Cold Rolled Steel		0	3-4 Weeks	Price
5791-22-BO	1.750	1.740	1.750	1.758	1.762	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-22-Z2	1.750	1.740	1.750	1.758	1.762	0.500	0.048	Cold Rolled Steel	Zinc Type II	0	7-8 Weeks	Price
5791-23	1.875	1.865	1.875	1.883	1.887	0.500	0.048	Cold Rolled Steel		14095	In Stock - Ready To Ship!	Price
5791-23-BO	1.875	1.865	1.875	1.883	1.887	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price
5791-23-N	1.875	1.865	1.875	1.883	1.887	0.500	0.048	Cold Rolled Steel	Nickel	0	4-5 Weeks for <= 14095 7-8 Weeks for > 14095	Price
5791-23-Z2	1.875	1.865	1.875	1.883	1.887	0.500	0.048	Cold Rolled Steel	Zinc Type II	0	4-5 Weeks for <= 14095 7-8 Weeks for > 14095	Price
5791-23-Z3	1.875	1.865	1.875	1.883	1.887	0.500	0.048	Cold Rolled Steel	Zinc Type III	0	4-5 Weeks for <= 14095 7-8 Weeks for > 14095	Price
5791-35	2	1.990	2	2.008	2.012	0.500	0.048	Cold Rolled Steel		2477	In Stock - Ready To Ship!	Price
5791-35-BO	2	1.990	2	2.008	2.012	0.500	0.048	Cold Rolled Steel	Black Oxide	0	4-5 Weeks	Price

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