M64 Adapters | McMaster-Carr

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6 Products

Thread Adapters for Drum Openings

Plastic M64 and M70

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.

Inlet		Outlet
Pipe/Thread Size	Gender	Pipe Size	Gender	Seal Material	Max. Temp., °F		Each
Polypropylene Plastic
M64 Metric	Male	2 NPT	Female	EPDM Rubber	125°	000000	000000
316 Stainless Steel
M64 Metric	Male	2 NPT	Female	__	250°	0000000	000000

Drum Plugs

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

Drum Plugs											Crimp-On Drum Plug Caps			Crimping Tools for Drum Plug Caps
Style	Drum Plug Type	Color	Seal Material	Pipe/Thread Size	Gender	Max. Temp., °F	Features	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.		Each
D	Standard	White	EPDM Rubber	M64 Metric	Male	125°	3/4 NPSM Faucet Knockout	5	0000000	000000	10	0000000	000000	0000000	0000000

Polypropylene Plastic

Drum Plugs										Crimp-On Drum Plug Caps			Crimping Tools for Drum Plug Caps
Style	Drum Plug Type	Color	Pipe/Thread Size	Gender	Max. Temp., °F	Features	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.		Each
D	Standard	White	M64 Metric	Male	125°	3/4 NPSM Faucet Knockout	5	0000000	000000	10	0000000	000000	0000000	0000000