Thread Adapters for Drum Openings
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Plastic M64 and M70
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Stainless Steel M64
Convert drum openings with metric or BSPP threads to a 2 NPT pipe size.
M64 inlet thread size is also known as Buttress threads.
Drum Plugs
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D
For installation and removal of these plugs, use drum-plug wrenches.
Style D have a M64 thread size, which is also known as Buttress threads.
Drum-plug caps (sold separately) fit over drum plugs to provide dust protection as well as evidence of tampering. They have a breakaway seal and are for one-time use.
Polyethylene Plastic