(224) 955-1644
Hammond ManufacturingAuthorized partner store
Hole Plugs HP Series

Hole Plugs · HP Series

Brand: Hammond Manufacturing · 32 part numbers

  • ■Designed to seal unused pushbutton holes, conduit openings and knockout holes against dust, oil and water.
  • ■Standard Pushbutton size is 30.5mm; Mini Pushbutton size is 22.5mm
  • ■Steel Hole Plug Available in 12 sizes. Finished in 2 color options - ANSI 61 gray or RAL7035 Light Gray Oil resistant gasket. Secured with an 10-24 x 0.55" threaded stud and plated wing nut. Recognized component UR & cUR Type 1, 3, 3R, 4, 12 and 13
  • ■Available in 12 sizes.
  • ■Finished in 2 color options - ANSI 61 gray or RAL7035 Light Gray
  • ■Oil resistant gasket.

from $5.62

32 of 32 part numbers priced · in stock · ships by ground · volume pricing on request

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Specification sheet (PDF) (224) 955-1644
Part detailsFeaturesDocumentsAdditional information

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Find your HP Series part number

Filter 32 part numbers by the specifications Hammond publishes for each one, pick the part, and buy it now. Every value comes straight from the manufacturer's part data.

32 of 32 part numbers · 32 priced online

HP100

Hole Plugs Steel

  • Description 1" Conduit
$9.76In stock
Buy now
HP100LG

Hole Plugs Steel Lg

  • Description 1" Conduit
$9.76In stock
Buy now
HP100SS

Hole Plug Stainless Steel

  • Description 1" Conduit
$24.48Backorder
Buy now
HP125

Hole Plugs Steel

  • Description 1.25" Conduit
$10.84In stock
Buy now
HP125LG

Hole Plugs Steel Lg

  • Description 1.25" Conduit
$10.84In stock
Buy now
HP125SS

Hole Plug Stainless Steel

  • Description 1.25" Conduit
$28.22In stock
Buy now
HP150

Hole Plugs Steel

  • Description 1.5" Conduit
$12.30In stock
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HP150LG

Hole Plugs Steel Lg

  • Description 1.5" Conduit
$12.30In stock
Buy now
HP150SS

Hole Plug Stainless Steel

  • Description 1.5" Conduit
$31.70In stock
Buy now
HP200

Hole Plugs Steel

  • Description 2" Conduit
$13.57In stock
Buy now
HP200LG

Hole Plugs Steel Lg

  • Description 2" Conduit
$13.57In stock
Buy now
HP200SS

Hole Plug Stainless Steel

  • Description 2" Conduit
$35.18In stock
Buy now
HP22

Hole Plugs Steel

  • Description 22mm Mini Pushbutton
$5.62In stock
Buy now
HP22LG

Hole Plugs Steel Lg

  • Description 22mm Mini Pushbutton
$5.62In stock
Buy now
HP22SS

Hole Plugs Stainless Steel

  • Description 22mm Pushbutton
$14.31In stock
Buy now
HP250

Hole Plugs Steel

  • Description 2.5" Conduit
$17.31In stock
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HP250LG

Hole Plugs Steel Lg

  • Description 2.5" Conduit
$17.31In stock
Buy now
HP300

Hole Plugs Steel

  • Description 3" Conduit
$22.94In stock
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HP300LG

Hole Plugs Steel Lg

  • Description 3" Conduit
$22.94In stock
Buy now
HP350

Hole Plugs Steel

  • Description 3.5" Conduit
$29.69In stock
Buy now
HP350LG

Hole Plugs Steel Lg

  • Description 3.5" Conduit
$29.69In stock
Buy now
HP400

Hole Plugs Steel

  • Description 4" Conduit
$38.05In stock
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HP400LG

Hole Plugs Steel Lg

  • Description 4" Conduit
$38.05In stock
Buy now
HP50

Hole Plugs Steel

  • Description .5" Conduit
$5.62In stock
Buy now
HP50LG

Hole Plugs Steel Lg

  • Description .5" Conduit
$5.62In stock
Buy now
HP50SS

Hole Plug Stainless Steel

  • Description .5" Conduit
$14.31In stock
Buy now
HP75

Hole Plugs Steel

  • Description .75" Conduit
$7.02In stock
Buy now
HP75LG

Hole Plugs Steel Lg

  • Description .75" Conduit
$7.02In stock
Buy now
HP75SS

Hole Plug Stainless Steel

  • Description .75" Conduit
$18.33In stock
Buy now
HPB

Hole Plugs Steel

  • Description Std. Pushbutton
$7.56In stock
Buy now
HPBLG

Hole Plugs Steel Lg

  • Description Std. Pushbutton
$7.56In stock
Buy now
HPBSS

Hole Plug Stainless Steel

  • Description Std. Pushbutton
$20.13In stock
Buy now
Dimension tables (inches / mm)

Steel

Units shown: inch . Switch units to: mm

ANSI 61 Gray · Part No.RAL7035 Lt Gray · Part No.DescriptionMax Hole DiameterPlug DiameterPriceOrder
HP22HP22LG22mm Mini Pushbutton0.881.22$5.62In stockHP22Buy now
HP50HP50LG.5" Conduit0.881.38$5.62In stockHP50Buy now
HP75HP75LG.75" Conduit1.061.56$7.02In stockHP75Buy now
HPBHPBLGStd. Pushbutton1.251.75$7.56In stockHPBBuy now
HP100HP100LG1" Conduit1.381.88$9.76In stockHP100Buy now
HP125HP125LG1.25" Conduit1.692.19$10.84In stockHP125Buy now
HP150HP150LG1.5" Conduit2.002.50$12.30In stockHP150Buy now
HP200HP200LG2" Conduit2.503.00$13.57In stockHP200Buy now
HP250HP250LG2.5" Conduit3.003.50$17.31In stockHP250Buy now
HP300HP300LG3" Conduit3.624.12$22.94In stockHP300Buy now
HP350HP350LG3.5" Conduit4.124.62$29.69In stockHP350Buy now
HP400HP400LG4" Conduit4.625.12$38.05In stockHP400Buy now

Stainless Steel

Units shown: inch . Switch units to: mm

Part No.DescriptionMax Hole DiameterPlug DiameterPriceOrder
HP22SS22mm Pushbutton0.881.22$14.31In stockBuy now
HP50SS.5" Conduit0.881.38$14.31In stockBuy now
HP75SS.75" Conduit1.061.56$18.33In stockBuy now
HPBSSStd. Pushbutton1.251.75$20.13In stockBuy now
HP100SS1" Conduit1.381.88$24.48BackorderBuy now
HP125SS1.25" Conduit1.692.19$28.22In stockBuy now
HP150SS1.5" Conduit2.002.50$31.70In stockBuy now
HP200SS2" Conduit2.503.00$35.18In stockBuy now

Features

Click Part No , below, for details (e.g., Product drawings, assembly instructions, ship weight)

Units shown: inch . Switch units to: mm

Units shown: inch . Switch units to: mm

  • ■Designed to seal unused pushbutton holes, conduit openings and knockout holes against dust, oil and water.
  • ■Standard Pushbutton size is 30.5mm; Mini Pushbutton size is 22.5mm
  • ■Steel Hole Plug Available in 12 sizes. Finished in 2 color options - ANSI 61 gray or RAL7035 Light Gray Oil resistant gasket. Secured with an 10-24 x 0.55" threaded stud and plated wing nut. Recognized component UR & cUR Type 1, 3, 3R, 4, 12 and 13
  • ■Available in 12 sizes.
  • ■Finished in 2 color options - ANSI 61 gray or RAL7035 Light Gray
  • ■Oil resistant gasket.
  • ■Secured with an 10-24 x 0.55" threaded stud and plated wing nut.
  • ■Recognized component UR & cUR Type 1, 3, 3R, 4, 12 and 13
  • ■Type 1, 3, 3R, 4, 12 and 13
  • ■Stainless Steel Hole Plugs Available in 8 sizes. Finished in brushed natural 304 stainless steel finish. Oil resistant gasket. Secured with an 10-24 x 0.55" threaded stud and plated wing nut. Recognized component UR & cUR Type 1, 3, 3R, 4, 4X, 12 and 13
  • ■Available in 8 sizes.
  • ■Finished in brushed natural 304 stainless steel finish.
  • ■Oil resistant gasket.
  • ■Secured with an 10-24 x 0.55" threaded stud and plated wing nut.
  • ■Recognized component UR & cUR Type 1, 3, 3R, 4, 4X, 12 and 13
  • ■Type 1, 3, 3R, 4, 4X, 12 and 13

Documents

Specification Sheet

Additional information

Steel

ANSI 61 Gray · Part No.RAL7035 Lt Gray · Part No.DescriptionMax Hole DiameterPlug Diameter
HP22HP22LG22mm Mini Pushbutton0.881.22
HP50HP50LG.5" Conduit0.881.38
HP75HP75LG.75" Conduit1.061.56
HPBHPBLGStd. Pushbutton1.251.75
HP100HP100LG1" Conduit1.381.88
HP125HP125LG1.25" Conduit1.692.19
HP150HP150LG1.5" Conduit2.002.50
HP200HP200LG2" Conduit2.503.00
HP250HP250LG2.5" Conduit3.003.50
HP300HP300LG3" Conduit3.624.12
HP350HP350LG3.5" Conduit4.124.62
HP400HP400LG4" Conduit4.625.12

Stainless Steel

Part No.DescriptionMax Hole DiameterPlug Diameter
HP22SS22mm Pushbutton0.881.22
HP50SS.5" Conduit0.881.38
HP75SS.75" Conduit1.061.56
HPBSSStd. Pushbutton1.251.75
HP100SS1" Conduit1.381.88
HP125SS1.25" Conduit1.692.19
HP150SS1.5" Conduit2.002.50
HP200SS2" Conduit2.503.00

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