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All Category - Hubbard Plugs Pierced - Hubbard Plugs Pierced Catalog

Hubbard Plugs Pierced Catalog

Made with holes centered through them.
Used in applications where a hole needs to be constricted.
Used over a shaft to seal a bearing housing.
Can be used as liquid metering units.
The catalog lists the range of hole sizes typically run, however almost any plug / hole combination can be produced, with holes down to the very fine (.020”) in some cases.
Multiple holes can be produced for special requirements, such as insertion holes for clusters of tubing entering a dust proof assembly.
Hubbard Plugs can be perforated with many small holes and set in a counter bored drain hole – in this application Hubbard Expansion Plugs act as a screen.

Stock Materials:

Steel: SAE1008/1010 low carbon steel: ASTM#A109 or A569 depending on gage.
Aluminum: 1100H14 to ASTM#B209.
Brass: ASTM#B36.
Stainless Steel: ASTM#A313

* These are materials we stock in various thicknesses. It does not mean we have finished inventory of all plugs in each of these materials.
** Customer specific materials different than those listed above are commonly run.

Finishes:

Steel: provided plain finish with a light oil. Expansion plugs can be provided with a wide range of coatings: mechanical zinc (processed in house), electro-zinc, black oxide.
Aluminum: provided plain finish. Aluminum plugs are washed in a light mineral spirit in order to remove any solvents or residue.
Stainless Steel: Provided plain finish. Stainless Steel plugs are washed in a light mineral spirit in order to remove any solvents or residue. Stainless plugs can be passivated.
Brass: provided plain finish. Brass plugs are washed in a light mineral spirit in order to remove any solvents or residue.

Entering an RFQ:

Find the desired plug diameter from the list of part numbers below. Click on this part number and then enter the requested information from the choices provided – material type, material thickness, requested finish (for steel), and desired quantity. You will also have the opportunity to send us any special notes or requirements for our review.

Item #	Nominal O.D. 'A' Fraction	Nominal O.D. 'A' Decimal	Maximum O.D. Limit	Minimum O.D. Limit	Maximum Possible I.D. 'B'	Minimum Possible I.D. 'B'	Spherical Radius 'R'
Note : click on item number to submit request for quote
HPP-125	1/8	0.125	0.127	0.124	0.062	0.032	7/64
HPP-145	.145	0.145	0.146	0.144	0.078	0.032	7/64
HPP-156	5/32	0.156	0.158	0.154	0.078	0.032	5/32
HPP-166	.166	0.166	0.167	0.165	0.094	0.032	5/32
HPP-187	3/16	0.187	0.189	0.186	0.094	0.032	11/64
HPP-197	.197	0.197	0.198	0.196	0.109	0.032	.167
HPP-219	.219	0.219	0.221	0.217	0.109	0.032	15/64
HPP-239	.239	0.239	0.241	0.237	0.125	0.032	15/64
HPP-247	.247	0.247	0.249	0.245	0.125	0.032	15/64
HPP-250	1/4	0.25	0.252	0.248	0.125	0.032	7/32
HPP-253	.253	0.253	0.255	0.251	0.14	0.032	7/32
HPP-262	.262	0.262	0.264	0.259	0.14	0.032	1/4
HPP-278	.278	0.278	0.28	0.275	0.14	0.032	15/64
HPP-281	9/32	0.281	0.282	0.28	0.156	0.032	9/32
HPP-303	.303	0.303	0.305	0.3	0.156	0.032	15/64
HPP-312	.312	0.312	0.314	0.309	0.156	0.032	17/64
HPP-313	5/16	0.313	0.315	0.31	0.187	0.032	17/64
HPP-317	.317	0.317	0.319	0.314	0.187	0.032	17/64
HPP-334	.334	0.334	0.336	0.331	0.187	0.032	5/16
HPP-343	11/32	0.343	0.346	0.341	0.187	0.032	1/4
HPP-354	.354	0.354	0.357	0.352	0.187	0.032	15/32
HPP-375	3/8	0.375	0.377	0.372	0.218	0.032	13/32
HPP-380	.380	0.38	0.382	0.377	0.218	0.032	1/4
HPP406	13/32	0.406	0.409	0.404	0.218	0.032	7/16
HPP-420	.420	0.42	0.422	0.417	0.218	0.032	15/32
HPP-433	.433	0.433	0.435	0.43	0.218	0.032	15/32
HPP-437	7/16	0.437	0.44	0.435	0.25	0.032	15/32
HPP-444	.444	0.444	0.447	0.441	0.25	0.032	15/32
HPP-451	.451	0.451	0.454	0.449	0.25	0.032	7/16
HPP-469	15/32	0.469	0.472	0.467	0.25	0.032	5/8
HPP-500	1/2	0.5	0.502	0.497	0.25	0.032	17/32
HPP-502	.502	0.502	0.504	0.499	0.281	0.032	17/32
HPP-516	33/64	0.516	0.518	0.513	0.281	0.032	9/16
HPP-525	.525	0.525	0.528	0.523	0.281	0.032	9/16
HPP-531	17/32	0.531	0.534	0.528	0.281	0.032	9/16
HPP-550	.550	0.550	0.553	0.548	0.281	0.032	1-1/8
HPP-562	9/16	0.562	0.565	0.56	0.281	0.032	5/8
HPP-593	19/32	0.593	0.595	0.59	0.312	0.032	1-1/16
HPP-619	.619	0.619	0.622	0.617	0.312	0.032	3/4
HPP-625	5/8	0.625	0.628	0.622	0.312	0.032	3/4
HPP-636	.636	0.636	0.639	0.633	0.343	0.032	3/4
HPP-656	21/32	0.656	0.659	0.653	0.343	0.032	3/4
HPP-684	.684	0.684	0.687	0.681	0.343	0.032	7/8
HPP-687	11/16	0.687	0.69	0.684	0.343	0.032	7/8
HPP-698	.698	0.698	0.701	0.695	0.375	0.032	7/8
HPP-717	.717	0.717	0.72	0.714	0.375	0.032	7/8
HPP-735	.735	0.735	0.738	0.732	0.375	0.032	15/16
HPP-741	.741	0.741	0.744	0.738	0.375	0.032	15/16
HPP-743	.743	0.743	0.745	0.74	0.375	0.032	15/16
HPP-745	.745	0.745	0.748	0.742	0.375	0.032	15/16
HPP-748	.748	0.748	0.751	0.745	0.375	0.032	11/16
HPP-750	3/4	0.75	0.753	0.747	0.406	0.032	15/16
HPP-755	.755	0.755	0.758	0.752	0.406	0.032	15/16
HPP-768	.768	0.768	0.771	0.765	0.406	0.032	15/16
HPP-780	25/32	0.78	0.782	0.777	0.406	0.032	31/32
HPP-806	.806	0.806	0.809	0.803	0.406	0.032	1-1/32
HPP-812	13/16	0.812	0.815	0.809	0.406	0.032	1-1/32
HPP-852	.852	0.852	0.855	0.849	0.437	0.032	1-1/8
HPP-858	55/64	0.858	0.861	0.855	0.437	0.032	1-1/8
HPP-875	7/8	0.875	0.878	0.872	0.468	0.032	1-3/32
HPP-882	.882	0.882	0.885	0.879	0.468	0.032	1-3/32
HPP-895	.895	0.895	0.898	0.892	0.468	0.032	1-3/32
HPP-906	29/32	0.906	0.909	0.903	0.468	0.032	1-1/8
HPP-921	.921	0.921	0.923	0.917	0.468	0.032	1-5/32
HPP-928	.928	0.928	0.931	0.925	0.468	0.032	1-5/32
HPP-937	15/16	0.937	0.94	0.934	0.468	0.032	1-5/32
HPP-949	.949	0.949	0.952	0.946	0.5	0.032	1-5/32
HPP-982	.982	0.982	0.985	0.979	0.5	0.032	1-1/4
HPP-988	.988	0.988	0.991	0.985	0.5	0.032	1-1/2
HPP-995	.995	0.995	1	0.99	0.5	0.032	1-3/16
HPP-996	.996	0.996	0.999	0.993	0.5	0.032	1-1/8
HPP-1000	1	1	1.003	0.997	0.531	0.062	1-1/8
HPP-1008	1.008	1.008	1.011	1.005	0.531	0.062	1-3/16
HPP-1014	1.014	1.014	1.017	1.011	0.531	0.062	1-1/16
HPP-1031	1-1/32	1.031	1.034	1.028	0.531	0.062	1-1/4
HPP-1038	1.038	1.038	1.041	1.035	0.531	0.062	1-7/32
HPP-1062	1-1/16	1.062	1.065	1.059	0.531	0.062	1-1/4
HPP-1112	1.112	1.112	1.115	1.109	0.562	0.062	1-3/16
HPP-1120	1.120	1.12	1.123	1.117	0.562	0.062	1-3/8
HPP-1125	1-1/8	1.125	1.128	1.122	0.562	0.062	1-3/8
HPP-1132	1.132	1.132	1.134	1.129	0.593	0.062	1-3/8
HPP-1136	1.136	1.136	1.139	1.133	0.593	0.062	1-3/8
HPP-1157	1-5/32	1.157	1.16	1.154	0.593	0.062	1-1/2
HPP-1165	1.165	1.165	1.168	1.162	0.593	0.062	1-1/2
HPP-1174	1.174	1.174	1.176	1.171	0.593	0.062	1-1/2
HPP-1183	1.183	1.183	1.186	1.18	0.593	0.062	1-1/2
HPP-1187	1-3/16	1.187	1.184	1.184	0.593	0.062	1-1/2
HPP-1198	1.198	1.198	1.201	1.195	0.625	0.062	1-1/2
HPP-1204	1.204	1.204	1.206	1.200	0.625	0.062	1-1/2
HPP-1212	1.212	1.212	1.215	1.209	0.625	0.062	1-3/4
HPP-1226	1.226	1.226	1.228	1.224	0.625	0.062	1-5/8
HPP-1244	1.244	1.244	1.247	1.241	0.625	0.062	1-5/8
HPP-1246	1.246	1.246	1.249	1.243	0.625	0.062	1-5/8
HPP-1250	1-1/4	1.25	1.253	1.247	0.656	0.062	1-5/8
HPP-1260	1.260	1.260	1.265	1.255	0.656	0.062	1-5/8
HPP-1267	1.267	1.267	1.272	1.262	0.656	0.062	1-5/8
HPP-1312	1-5/16	1.312	1.317	1.307	0.656	0.062	1-3/4
HPP-1320	1.320	1.320	1.325	1.315	0.687	0.062	1-3/4
HPP-1367	1.367	1.367	1.372	1.362	0.687	0.062	1-13/16
HPP-1375	1-3/8	1.375	1.38	1.37	0.718	0.062	1-13/16
HPP-1384	1.384	1.384	1.389	1.379	0.718	0.062	1-13/16
HPP-1437	1-7/16	1.437	1.442	1.432	0.718	0.062	2
HPP-1447	1.447	1.447	1.452	1.442	0.75	0.062	2
HPP-1487	1.487	1.487	1.492	1.482	0.75	0.062	2-1/8
HPP-1500	1-1/2	1.5	1.505	1.495	0.781	0.062	2-1/8
HPP-1506	1.506	1.506	1.511	1.495	0.781	0.062	2-1/16
HPP-1512	1.512	1.512	1.517	1.507	0.781	0.062	2-1/8
HPP-1562	1-9/16	1.562	1.568	1.558	0.781	0.062	2-1/4
HPP-1585	1.585	1.585	1.59	1.58	0.812	0.062	2-1/2
HPP-1625	1-5/8	1.625	1.63	1.62	0.843	0.062	2-3/8
HPP-1635	1.635	1.635	1.64	1.63	0.843	0.062	2-3/8
HPP-1645	1.645	1.645	1.65	1.64	0.843	0.062	2-3/8
HPP-1688	1-11/16	1.688	1.693	1.683	0.843	0.062	2-1/2
HPP-1700	1.700	1.7	1.705	1.695	0.875	0.062	1-1/2
HPP-1736	1.736	1.736	1.741	1.731	0.875	0.062	2-3/4
HPP-1742	1.742	1.742	1.747	1.737	0.875	0.062	2-3/4
HPP-1750	1-3/4	1.75	1.755	1.745	0.906	0.062	2-11/16
HPP-1760	1.760	1.76	1.765	1.755	0.906	0.062	2-11/16
HPP-1770	1.770	1.77	1.775	1.765	0.906	0.062	2-3/4
HPP-1812	1-13/16	1.812	1.817	1.807	0.906	0.062	2-3/4
HPP-1832	1.832	1.832	1.837	1.827	0.937	0.062	2-13/16
HPP-1875	1-7/8	1.875	1.88	1.87	0.968	0.062	2-7/8
HPP-1891	1-57/64	1.891	1.896	1.886	0.968	0.062	2-7/8
HPP-1924	1-59/64	1.924	1.921	1.919	0.968	0.062	3-3/16
HPP-1937	1-15/16	1.937	1.942	1.939	0.968	0.062	3-3/32
HPP-1960	1.960	1.96	1.965	1.955	1	0.062	3-3/32
HPP-2000	2	2	2.005	1.995	1.031	0.062	3-3/16
HPP-2010	2.010	2.01	2.015	2.005	1.031	0.093	3-3/16
HPP-2020	2.020	2.02	2.025	2.015	1.031	0.093	3-3/16
HPP-2040	2.040	2.04	2.045	2.035	1.031	0.093	3-3/16
HPP-2062	2-1/16	2.062	2.067	2.057	1.031	0.093	3-3/16
HPP-2095	2.095	2.095	2.1	2.09	1.062	0.093	3-1/4
HPP-2125	2-1/8	2.125	2.13	2.12	1.062	0.093	3-1/4
HPP-2137	2.137	2.137	2.142	2.132	1.093	0.093	3-1/4
HPP-2208	2.208	2.208	2.213	2.203	1.125	0.093	3-1/2
HPP-2215	2.215	2.215	2.22	2.21	1.125	0.093	4-1/2
HPP-2250	2-1/4	2.25	2.255	2.245	1.156	0.093	3-9/16
HPP-2268	2.268	2.268	2.273	2.263	1.156	0.093	3-9/16
HPP-2375	2-3/8	2.375	2.38	2.27	1.218	0.093	3-7/8
HPP-2387	2.387	2.387	2.392	2.382	1.218	0.093	3-7/8
HPP-2395	2.395	2.395	2.4	2.39	1.218	0.093	3-7/8
HPP-2472	2.472	2.472	2.477	2.467	1.25	0.093	4-5/32
HPP-2500	2-1/2	2.5	2.505	2.495	1.281	0.093	4-5/32
HPP-2512	2.512	2.512	2.517	2.507	1.281	0.093	4-5/32
HPP-2562	2-9/16	2.562	2.567	2.557	1.281	0.093	4-5/32
HPP-2625	2-5/8	2.625	2.63	2.62	1.312	0.093	4-1/4
HPP-2637	2.637	2.637	2.642	2.632	1.343	0.093	4-1/4
HPP-2687	2-11/16	2.687	2.692	2.682	1.343	0.093	4-1/4
HPP-2750	2-3/4	2.75	2.755	2.745	1.437	0.093	4-1/2
HPP-2825	2.825	2.825	2.83	2.82	1.437	0.093	4-1/2
HPP-2875	2-7/8	2.875	2.88	2.87	1.437	0.093	4-3/4
HPP-3000	3	3	3.005	2.995	1.531	0.093	5
HPP-3062	3-1/16	3.062	3.067	3.057	1.531	0.093	5-1/8
HPP-3187	3-3/16	3.187	3.192	3.182	1.593	0.093	5-1/2
HPP-3250	3-1/4	3.25	3.255	3.245	1.718	0.093	5-1/2
HPP-3421	3-27/64	3.421	3.426	3.416	1.718	0.093	5-3/4
HPP-3500	3-1/2	3.5	3.505	3.495	1.781	0.093	6
HPP-3562	3-9/16	3.562	3.567	3.557	1.781	0.093	6
HPP-3625	3-5/8	3.625	3.63	3.62	1.812	0.093	6-3/4
HPP-3750	3-3/4	3.75	3.755	3.745	2	0.093	6-5/8
HPP-4000	4	4	4.005	3.995	2.125	0.093	7-1/4
HPP-4250	4-1/4	4.25	4.255	4.245	2.125	0.093	7-1/2
HPP-4500	4-1/2	4.5	4.505	4.495	2.343	0.093	7-3/4
HPP-4677	4.677	4.677	4.682	4.672	2.343	0.093	9-3/8
HPP-4719	4.719	4.719	4.724	4.714	2.375	0.093	9-7/16
HPP-5250	5-1/4	5.25	5.255	5.245	2.625	0.093	10
HPP-5750	5-3/4	5.75	5.76	5.74	2.875	0.093	10
Total: 167