General Purpose Plugs for Unified/Straight Threads fit Unified/Straight threads and fittings. These threaded plugs are slotted with a 12-point head for tightening with a screwdriver, socket or wrench.
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General Purpose Plugs for Unified Fine (UNF)/Straight Threads

General Purpose Plug for Unified Fine (UNF)/Straight 7/16-20 Size Thread
General Purpose Plugs for Unified Fine (UNF)/Straight Threads

General Purpose Plug for Unified Fine (UNF)/Straight 7/16-24 Size Thread
General Purpose Plugs for Unified Fine (UNF)/Straight Threads

General Purpose Plug for Unified Fine (UNF)/Straight 1/2-20 Size Thread
General Purpose Plugs for Unified Fine (UNF)/Straight Threads

General Purpose Plug for Unified Fine (UNF)/Straight 9/16-18 Size Thread
General Purpose Plugs for Unified Fine (UNF)/Straight Threads

General Purpose Plug for Unified Fine (UNF)/Straight 5/8-18 Size Thread
Description N/A General Purpose Plugs for Unified/Straight Threads fit Unified/Straight threads and fittings. These threaded plugs are slotted with a 12-point head for tightening with a screwdriver, socket or wrench.
Material N/A Polypropylene
Color N/A Red
Length N/A 0.34 in8.6 mm N/A 0.34 in8.6 mm N/A 0.34 in8.6 mm N/A 0.36 in9.1 mm N/A 0.36 in9.1 mm
Flange Outside Diameter N/A 0.660 in16.8 mm N/A 0.660 in16.8 mm N/A 0.73 in18.5 mm N/A 0.800 in20.3 mm N/A 0.87 in22.1 mm
To Fit Standard Thread N/A 7/16-20 N/A 7/16-24 N/A 1/2-20 N/A 9/16-18 N/A 5/8-18
Stem Height N/A 0.26 in6.6 mm N/A 0.26 in6.6 mm N/A 0.3 in7.6 mm N/A 0.3 in7.6 mm N/A 0.3 in7.6 mm
Features and Benefits N/A
  • Provides positive seal on SAE straight-threaded ports
  • Molded-in O-Ring Style Bead seals out contaminants and prevents fluid or oil leakage
  • After tightening, the external lip on the flange compresses against the surface and prevents debris from the part face
  • Sizes to fit 1/8 through 1/2 Plug threads
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