Product Search - Expansion Plugs / 5791



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.

  • Available Materials: Steel (cold rolled steel) concave expansion plug
  • Available Finishes: Black oxide coated tapered cup expansion plug, nickel plated tapered cup expansion plug, zinc plated tapered cup expansion plug (other finishes also available)

  • 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

    Did you know Seastrom is more than tapered cup expansion plugs? We manufacture and stock over 44,000 part numbers to make your washer & fastener sourcing job easy.

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    View engineering specs


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    Dimensions in Inches
    Product NumberNominal Plug DiaA (Min)A (Max)B (Min)B (Max)CTMaterialFinishStockLeadtimeGet Pricing
    5791-10.2810.2710.2810.2860.2890.1720.036Cold Rolled Steel 04-5 WeeksPrice
    5791-1-BO0.2810.2710.2810.2860.2890.1720.036Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-1-N0.2810.2710.2810.2860.2890.1720.036Cold Rolled SteelNickel0Call for DeliveryPrice
    5791-1-Z20.2810.2710.2810.2860.2890.1720.036Cold Rolled SteelZinc Type II08-9 WeeksPrice
    5791-1-Z30.2810.2710.2810.2860.2890.1720.036Cold Rolled SteelZinc Type III08-9 WeeksPrice
    5791-260.3120.3020.3120.3170.3200.1680.036Cold Rolled Steel 3698In Stock - Ready To Ship!Price
    5791-26-BO0.3120.3020.3120.3170.3200.1680.036Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-26-C10.3120.3020.3120.3170.3200.1680.036Cold Rolled SteelCadmium Type I05-6 Weeks for <= 3698 9-10 Weeks for > 3698Price
    5791-26-N0.3120.3020.3120.3170.3200.1680.036Cold Rolled SteelNickel04-5 Weeks for <= 3698 8-9 Weeks for > 3698Price
    5791-26-Z30.3120.3020.3120.3170.3200.1680.036Cold Rolled SteelZinc Type III04-5 Weeks for <= 3698 8-9 Weeks for > 3698Price
    5791-270.3440.3340.3440.3490.3520.1720.036Cold Rolled Steel 607In Stock - Ready To Ship!Price
    5791-27-BO0.3440.3340.3440.3490.3520.1720.036Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-27-Z30.3440.3340.3440.3490.3520.1720.036Cold Rolled SteelZinc Type III04-5 Weeks for <= 607 9-10 Weeks for > 607Price
    5791-2-BO0.3750.3650.3750.3810.3840.2400.048Cold Rolled SteelBlack Oxide1471In Stock - Ready To Ship!Price
    5791-20.3750.3650.3750.3810.3840.2400.048Cold Rolled Steel 5109In Stock - Ready To Ship!Price
    5791-280.4060.3960.4060.4120.4150.2400.048Cold Rolled Steel 2In Stock - Ready To Ship!Price
    5791-28-BO0.4060.3960.4060.4120.4150.2400.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-28-N0.4060.3960.4060.4120.4150.2400.048Cold Rolled SteelNickel22In Stock - Ready To Ship!Price
    5791-28-Z30.4060.3960.4060.4120.4150.2400.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 2 8-9 Weeks for > 2Price
    5791-30.4380.4280.4380.4440.4470.2400.048Cold Rolled Steel 4217In Stock - Ready To Ship!Price
    5791-3-BO0.4380.4280.4380.4440.4470.2400.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-3-Z30.4380.4280.4380.4440.4470.2400.048Cold Rolled SteelZinc Type III10In Stock - Ready To Ship!Price
    5791-40.4690.4590.4690.4750.4780.2400.048Cold Rolled Steel 8305In Stock - Ready To Ship!Price
    5791-4-BO0.4690.4590.4690.4750.4780.2400.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-4-Z20.4690.4590.4690.4750.4780.2400.048Cold Rolled SteelZinc Type II04-5 Weeks for <= 8305 8-9 Weeks for > 8305Price
    5791-4-Z30.4690.4590.4690.4750.4780.2400.048Cold Rolled SteelZinc Type III4In Stock - Ready To Ship!Price
    5791-50.5000.4900.5000.5060.5090.3800.048Cold Rolled Steel 52713In Stock - Ready To Ship!Price
    5791-5-BO0.5000.4900.5000.5060.5090.3800.048Cold Rolled SteelBlack Oxide872In Stock - Ready To Ship!Price
    5791-5-N0.5000.4900.5000.5060.5090.3800.048Cold Rolled SteelNickel04-5 Weeks for <= 52713 8-9 Weeks for > 52713Price
    5791-5-Z20.5000.4900.5000.5060.5090.3800.048Cold Rolled SteelZinc Type II04-5 Weeks for <= 52713 8-9 Weeks for > 52713Price
    5791-5-Z30.5000.4900.5000.5060.5090.3800.048Cold Rolled SteelZinc Type III4948In Stock - Ready To Ship!Price
    5791-60.5310.5210.5310.5370.5400.3800.048Cold Rolled Steel 156In Stock - Ready To Ship!Price
    5791-6-BO0.5310.5210.5310.5370.5400.3800.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-6-Z30.5310.5210.5310.5370.5400.3800.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 156 8-9 Weeks for > 156Price
    5791-240.5470.5440.5540.5600.5650.2100.032Cold Rolled Steel 18980In Stock - Ready To Ship!Price
    5791-24-BO0.5470.5440.5540.5600.5650.2100.032Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-24-N0.5470.5440.5540.5600.5650.2100.032Cold Rolled SteelNickel04-5 Weeks for <= 18980 8-9 Weeks for > 18980Price
    5791-24-Z30.5470.5440.5540.5600.5650.2100.032Cold Rolled SteelZinc Type III291In Stock - Ready To Ship!Price
    5791-70.5620.5520.5620.5680.5710.3800.048Cold Rolled Steel 93In Stock - Ready To Ship!Price
    5791-7-BO0.5620.5520.5620.5680.5710.3800.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-7-Z30.5620.5520.5620.5680.5710.3800.048Cold Rolled SteelZinc Type III5436In Stock - Ready To Ship!Price
    5791-80.5940.5840.5940.6000.6030.3800.048Cold Rolled Steel 2355In Stock - Ready To Ship!Price
    5791-8-BO0.5940.5840.5940.6000.6030.3800.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-90.6250.6150.6250.6310.6340.3800.048Cold Rolled Steel 742In Stock - Ready To Ship!Price
    5791-9-BO0.6250.6150.6250.6310.6340.3800.048Cold Rolled SteelBlack Oxide18In Stock - Ready To Ship!Price
    5791-9-Z20.6250.6150.6250.6310.6340.3800.048Cold Rolled SteelZinc Type II04-5 Weeks for <= 742 8-9 Weeks for > 742Price
    5791-9-Z30.6250.6150.6250.6310.6340.3800.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 742 8-9 Weeks for > 742Price
    5791-100.6560.6460.6560.6620.6650.3800.048Cold Rolled Steel 570In Stock - Ready To Ship!Price
    5791-10-BO0.6560.6460.6560.6620.6650.3800.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-10-Z30.6560.6460.6560.6620.6650.3800.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 570 8-9 Weeks for > 570Price
    5791-110.6880.6780.6880.6940.6970.3800.048Cold Rolled Steel 74598In Stock - Ready To Ship!Price
    5791-11-BO0.6880.6780.6880.6940.6970.3800.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-120.7190.7090.7190.7250.7280.3800.048Cold Rolled Steel 1162In Stock - Ready To Ship!Price
    5791-12-BO0.7190.7090.7190.7250.7280.3800.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-130.7500.7400.7500.7560.7590.3800.048Cold Rolled Steel 4467In Stock - Ready To Ship!Price
    5791-13-BO0.7500.7400.7500.7560.7590.3800.048Cold Rolled SteelBlack Oxide04-5 Weeks for <= 4467 8-9 Weeks for > 4467Price
    5791-13-Z30.7500.7400.7500.7560.7590.3800.048Cold Rolled SteelZinc Type III76In Stock - Ready To Ship!Price
    5791-330.8120.8020.8120.8180.8210.5000.048Cold Rolled Steel 122In Stock - Ready To Ship!Price
    5791-33-BO0.8120.8020.8120.8180.8210.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-33-N0.8120.8020.8120.8180.8210.5000.048Cold Rolled SteelNickel04-5 Weeks for <= 122 8-9 Weeks for > 122Price
    5791-33-Z30.8120.8020.8120.8180.8210.5000.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 122 8-9 Weeks for > 122Price
    5791-140.8750.8650.8750.8810.8840.5000.048Cold Rolled Steel 1918In Stock - Ready To Ship!Price
    5791-14-BO0.8750.8650.8750.8810.8840.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-14-Z30.8750.8650.8750.8810.8840.5000.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 1918 8-9 Weeks for > 1918Price
    5791-150.9220.9170.9270.9330.9360.5000.048Cold Rolled Steel 86In Stock - Ready To Ship!Price
    5791-15-BO0.9220.9170.9270.9330.9360.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-160.9380.9280.9380.9440.9470.5000.048Cold Rolled Steel 250In Stock - Ready To Ship!Price
    5791-16-BO0.9380.9280.9380.9440.9470.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-1710.99011.0061.0090.5000.048Cold Rolled Steel 768In Stock - Ready To Ship!Price
    5791-17-BO10.99011.0061.0090.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-17-Z310.99011.0061.0090.5000.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 768 8-9 Weeks for > 768Price
    5791-251.0631.0521.0621.0691.0730.5000.048Cold Rolled Steel 8027In Stock - Ready To Ship!Price
    5791-25-BO1.0631.0521.0621.0691.0730.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-25-Z31.0631.0521.0621.0691.0730.5000.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 8027 8-9 Weeks for > 8027Price
    5791-291.1251.1151.1251.1321.1360.5000.048Cold Rolled Steel 2171In Stock - Ready To Ship!Price
    5791-29-BO1.1251.1151.1251.1321.1360.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-29-Z21.1251.1151.1251.1321.1360.5000.048Cold Rolled SteelZinc Type II04-5 Weeks for <= 2171 9-10 Weeks for > 2171Price
    5791-181.1881.1781.1881.1951.1990.5000.048Cold Rolled Steel 592In Stock - Ready To Ship!Price
    5791-18-BO1.1881.1781.1881.1951.1990.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-191.2501.2401.2501.2571.2610.5000.048Cold Rolled Steel 04-5 WeeksPrice
    5791-19-BO1.2501.2401.2501.2571.2610.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-19-Z31.2501.2401.2501.2571.2610.5000.048Cold Rolled SteelZinc Type III08-9 WeeksPrice
    5791-301.2501.2401.2501.2571.2610.2500.060Cold Rolled Steel 04-5 WeeksPrice
    5791-30-BO1.2501.2401.2501.2571.2610.2500.060Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-30-Z21.2501.2401.2501.2571.2610.2500.060Cold Rolled SteelZinc Type II08-9 WeeksPrice
    5791-30-Z31.2501.2401.2501.2571.2610.2500.060Cold Rolled SteelZinc Type III1365In Stock - Ready To Ship!Price
    5791-341.3121.3021.3121.3191.3230.5000.048Cold Rolled Steel 63In Stock - Ready To Ship!Price
    5791-34-BO1.3121.3021.3121.3191.3230.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-201.3751.3651.3751.3821.3860.5000.048Cold Rolled Steel 17300In Stock - Ready To Ship!Price
    5791-20-BO1.3751.3651.3751.3821.3860.5000.048Cold Rolled SteelBlack Oxide309In Stock - Ready To Ship!Price
    5791-311.4371.4281.4381.4451.4490.5000.048Cold Rolled Steel 566In Stock - Ready To Ship!Price
    5791-31-BO1.4371.4281.4381.4451.4490.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-211.5001.4901.5001.5071.5110.5000.048Cold Rolled Steel 63In Stock - Ready To Ship!Price
    5791-21-BO1.5001.4901.5001.5071.5110.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-21-Z31.5001.4901.5001.5071.5110.5000.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 63 8-9 Weeks for > 63Price
    5791-321.6251.6151.6251.6331.6370.5000.048Cold Rolled Steel 1In Stock - Ready To Ship!Price
    5791-32-BO1.6251.6151.6251.6331.6370.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-221.7501.7401.7501.7581.7620.5000.048Cold Rolled Steel 04-5 WeeksPrice
    5791-22-BO1.7501.7401.7501.7581.7620.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-22-Z21.7501.7401.7501.7581.7620.5000.048Cold Rolled SteelZinc Type II550In Stock - Ready To Ship!Price
    5791-231.8751.8651.8751.8831.8870.5000.048Cold Rolled Steel 10484In Stock - Ready To Ship!Price
    5791-23-BO1.8751.8651.8751.8831.8870.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice
    5791-23-N1.8751.8651.8751.8831.8870.5000.048Cold Rolled SteelNickel04-5 Weeks for <= 10484 8-9 Weeks for > 10484Price
    5791-23-Z21.8751.8651.8751.8831.8870.5000.048Cold Rolled SteelZinc Type II04-5 Weeks for <= 10484 8-9 Weeks for > 10484Price
    5791-23-Z31.8751.8651.8751.8831.8870.5000.048Cold Rolled SteelZinc Type III04-5 Weeks for <= 10484 8-9 Weeks for > 10484Price
    5791-3521.99022.0082.0120.5000.048Cold Rolled Steel 2487In Stock - Ready To Ship!Price
    5791-35-BO21.99022.0082.0120.5000.048Cold Rolled SteelBlack Oxide0Call for DeliveryPrice

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