Hammond Manufacturing HP Series Catalog Page

Steel

Part
No. Description

Max Hole
Diameter

Plug

Diameter

HP22

22mm
Pushbutton

0.88 1.22

HP50 .5" Conduit 0.88 1.38

HP75 .75" Conduit 1.06 1.56

HPB Std. Pushbutton 1.25 1.75

HP100 1" Conduit 1.38 1.88

HP125 1.25" Conduit 1.69 2.19

HP150 1.5" Conduit 2.00 2.50

HP200 2" Conduit 2.50 3.00

HP250 2.5" Conduit 3.00 3.50

HP300 3" Conduit 3.62 4.12

HP350 3.5" Conduit 4.12 4.62

HP400 4" Conduit 4.62 5.12

Stainless Steel

Part No. Description

Max Hole
Diameter

Plug

Diameter

HP22SS

22mm
Pushbutton

0.88 1.22

HP50SS .5" Conduit 0.88 1.38

HP75SS .75" Conduit 1.06 1.56

HPBSS Std. Pushbutton 1.25 1.75

HP100SS 1" Conduit 1.38 1.88

HP125SS 1.25" Conduit 1.69 2.19

HP150SS 1.5" Conduit 2.00 2.50

HP200SS 2" Conduit 2.50 3.00

Hole Plugs

HP Series

Features

Designed to seal unused pushbutton holes, conduit openings and knockout
holes against dust, oil and water.
Standard Pushbutton size is 30.5mm

Steel Hole Plug

Available in 12 sizes.
Finished in gray.
Oil resistant gasket.
Secured with an 10-24 x 0.55" threaded stud and plated wing nut.

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.

Quality Products. Service Excellence.

Data subject to change without notice.

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