Drum Bung Adapters | McMaster-Carr

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17 Products

Thread Adapters for Drum Openings

Plastic BSPP

Plastic M56

Plastic M60

Plastic M64 and M70

Stainless Steel M56, M60, M64, M70, and BSPP

Convert drum openings with metric or BSPP threads to a 2 NPT pipe size.

M64 inlet thread size is also known as Buttress threads. M70 inlet thread size is also known as Mauser threads.

Inlet		Outlet
Pipe/Thread Size	Gender	Pipe Size	Gender	Seal Material	Max. Temp., °F		Each
Polypropylene Plastic
2 BSPP	Male	2 NPT	Female	EPDM Rubber	125°	0000000	000000
M56 Metric	Male	2 NPT	Female	EPDM Rubber	125°	0000000	00000
M60 Metric	Male	2 NPT	Female	EPDM Rubber	125°	0000000	00000
M64 Metric	Male	2 NPT	Female	EPDM Rubber	125°	000000	00000
M70 Metric	Male	2 NPT	Female	EPDM Rubber	125°	000000	00000
316 Stainless Steel
2 BSPP	Male	2 NPT	Female	__	250°	0000000	000000
M56 Metric	Male	2 NPT	Female	__	250°	0000000	000000
M60 Metric	Male	2 NPT	Female	__	250°	0000000	000000
M64 Metric	Male	2 NPT	Female	__	250°	0000000	000000
M70 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
C	Standard	White	__	2 NPSM	Male	125°	3/4 NPSM Faucet Knockout	5	0000000	000000	10	0000000	000000	0000000	0000000
D	Standard	White	EPDM Rubber	M64 Metric	Male	125°	3/4 NPSM Faucet Knockout	5	0000000	00000	10	0000000	00000	0000000	000000

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
C	Standard	Gray	2 NPSM	Male	125°	3/4 NPSM Faucet Knockout	5	0000000	000000	10	0000000	000000	0000000	0000000
D	Standard	White	M64 Metric	Male	125°	3/4 NPSM Faucet Knockout	5	0000000	00000	10	0000000	00000	0000000	000000

Thread Protectors for Drum Openings

Screw these metal protectors into your plastic drum openings to replace threads that can become damaged with frequent use.

Inlet		Outlet
Pipe Size	Gender	Pipe Size	Gender	Max. Temp., °F		Each
316 Stainless Steel
2 NPT	Male	2 NPT	Female	275°	000000	0000000