Steel & Iron Plugs
Steel and iron plugs for pipe, hydraulic and pneumatic lines, including hex socket, magnetic and O-ring plugs.
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SAE O-Ring Boss Thread Plugs, ISO-B — Hydraulics
Regular price From $3.28 USDUnit price / per -
Mold Coolant Female Pipe Plugs — Hydraulics
Regular price From $2.05 USDUnit price / perSold out -
Female Pipe Plug — Steel — Pneumatics
Regular price From $1.21 USDUnit price / per -
Flat Face Thread Lock VEP Plugs — Hydraulics
Regular price From $154.31 USDUnit price / per -
360-deg Swivel Plug — Pneumatics
Regular price From $3.52 USDUnit price / per -
Plug ISO-A Interchange — Hydraulics
Regular price From $4.15 USDUnit price / per -
Plug Flush Face — Hydraulics
Regular price From $17.35 USDUnit price / per -
Plug AG Interchange — Hydraulics
Regular price From $3.44 USDUnit price / per -
Plug ISO-B Interchange — Hydraulics
Regular price From $4.94 USDUnit price / per -
SAE O-Ring Boss Thread Plugs, Flush Face ISO — Hydraulics
Regular price From $7.41 USDUnit price / per -
XH Bull Plugs — Nipples and Fittings
Regular price From $6.61 USDUnit price / per -
Black 150 Malleable Fittings — Square Head Plug
Regular price From $0.60 USDUnit price / per -
Black Steel Countersunk Plug Hex Socket — Nipples and Fittings
Regular price From $0.36 USDUnit price / per -
Galvanized Steel Fittings — Hex Head Plug
Regular price From $0.45 USDUnit price / per -
Galvanized Steel Fittings — Countersunk Plug Square Socket
Regular price From $0.33 USDUnit price / per -
Black Steel Fittings — Hex Head Plug
Regular price From $0.33 USDUnit price / per -
Black Steel Fittings — Countersunk Plug Square Socket
Regular price From $0.32 USDUnit price / per -
Galvanized 150 Malleable Fittings — Square Head Plug
Regular price From $0.98 USDUnit price / per -
ARO 210 Male Plugs — Pneumatics
Regular price From $1.51 USDUnit price / per -
ARO 210 Hose ID Plugs — Pneumatics
Regular price From $1.67 USDUnit price / per -
Standard Bull Plugs — Nipples and Fittings
Regular price From $36.21 USDUnit price / per -
ARO 210 Female Plugs — Pneumatics
Regular price From $1.64 USDUnit price / per -
Galvanized Steel Square Head Plug — Nipples and Fittings
Regular price From $0.48 USDUnit price / per -
Galvanized Steel Countersunk Plug Hex Socket — Nipples and Fittings
Regular price From $0.37 USDUnit price / per
Steel and iron plugs for pipe, hydraulic and pneumatic lines: galvanized 150 malleable square head plugs, countersunk hex socket plugs, magnetic drain plugs, O-ring hex plugs (6408 Series), DIN plugs (D2408-X Series), flat face thread lock plugs, female pipe plugs, push-on hose barb and auto interchange plugs, and swivel plugs.
Each listing groups the stocked part numbers for one style. Choose size and thread on the product page.
Hydraulic plugs include JIC plugs (2408 Series) and hollow hex O-ring plugs (6408-HHP Series), alongside XH bull plugs.







