Metric Caps & Plugs
Leaking port or a line down for service? Metric Caps and Plugs seal off DIN heavy or light and JIS 30° ports fast so you keep oil in and dirt out. Choose hex head or sealed styles for a wrench-tight stop, swivel caps for protection during handling. Carbon steel with zinc finish takes shop abuse and helps cut downtime. We keep them ready.
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JIS Caps
JIS caps for BSPP pipe connections made from carbon steel with zinc yellow dichromate finish. Hex head caps accept tapered or parallel pipe threads and seal with o-ring or 37° JIC flare. Provides conversion to 37° JIC for hose and end fitting compatibility, useful for repair tasks.
| Item # | BSPP Pipe Size | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MB5129X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5129X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5129X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5129X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
1
|
Log in to view price |
JIS Plugs
JIS plugs for adapting BSPP ports to SAE 37° JIC flare fittings. Carbon steel construction with zinc yellow dichromate finish and hex head drive. Tapered or parallel pipe threads with o-ring or 37° flare sealing provide compatibility and corrosion resistance for industrial and repair applications.
| Item # | BSPP Pipe Size | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MB5229X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB5229X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB5229X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB5229X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price |
BSPP Swivel Caps
BSPP swivel caps made from carbon steel with yellow dichromate zinc plating. Hex head caps adapt BSPP ports to SAE 37° JIC flare using tapered or parallel pipe thread, o-ring, or 37° flare sealing. Fair vibration resistance helps use with hydraulic hose and fittings.
| Item # | BSPP Pipe Size | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MB5029X2
|
1/8"
|
1/8"-28
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5029X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5029X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5029X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MB5029X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
1
|
Log in to view price | |
|
|
MB5029X16
|
1"
|
1"-11
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
1
|
Log in to view price |
Hex Head BSPP Plugs
Hex head BSPP plugs made from carbon steel with zinc yellow dichromate finish. Designed to mate with BSPP ports and seal via tapered or parallel thread, o-ring, or 37° JIC flare. Fair vibration resistance provides reliable sealing and helps adapt BSP ports for standard hose and fittings.
| Item # | BSPP Pipe Size | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MB7237X2
|
1/8"
|
1/8"-28
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
4
|
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|
|
MB7237X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7237X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7237X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7237X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7237X16
|
1"
|
1"-11
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price |
Hex Sealed BSPP Plugs
Hex sealed BSPP plugs made from carbon steel with zinc yellow dichromate finish. Recessed hex drive and BSPP threads allow sealing by tapered or parallel pipe thread, o-ring, or 37° JIC flare. Provides BSP to 37° JIC adaptation and helps resist corrosion for industrial use.
| Item # | BSPP Pipe Size | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MB7238X2
|
1/8"
|
1/8"-28
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7238X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7238X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7238X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB7238X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price | |
|
|
MB7238X16
|
1"
|
1"-11
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price |
BSPP Plugs
BSPP plugs made from carbon steel with a zinc plated finish and hex head drive. Parallel BSPP threads match British standard pipe fittings and provide a secure seal for idle hydraulic ports. Durable plating resists corrosion and helps protect equipment during storage and repair tasks.
| Item # | BSPP Pipe Size | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MP7237X2
|
1/8"
|
1/8"-28
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MP7237X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MP7237X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MP7237X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MP7237X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MP7237X16
|
1"
|
1"-11
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price |
Komatsu JIS 30° Caps
Komatsu JIS 30° caps are hex head caps made from SAE 12L14 carbon steel with zinc plating and yellow dichromate finish. They seal via tapered or parallel pipe thread, o‑ring or 37° JIC flare and provide adaptation of BSP ports to 37° JIC for hose and fittings, helping installation.
| Item # | Tube OD | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MC5129X14
|
14 mm
|
M14 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MC5129X18
|
18 mm
|
M18 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MC5129X22
|
22 mm
|
M22 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price | |
|
|
MC5129X24
|
24 mm
|
M24 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Cap
|
2
|
Log in to view price |
Komatsu JIS 30° Plugs
Komatsu JIS 30° plugs are hex head carbon steel fittings with zinc yellow dichromate finish and 30° sealing face. Threaded M sizes with 1.5 pitch provide BSP to SAE 37° JIC adaptation and o-ring or flare sealing. Fair vibration resistance helps in industrial hose connections.
| Item # | Tube OD | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MC5229X14
|
14 mm
|
M14 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MC5229X18
|
18 mm
|
M18 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MC5229X22
|
22 mm
|
M22 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MC5229X24
|
24 mm
|
M24 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price |
DIN (Light) Plugs
DIN (Light) plugs are carbon steel hex head plugs with a zinc plated finish designed to close DIN hydraulic fittings and ports when not in use. Metric thread options match common DIN ports and the plated steel construction helps resist corrosion and wear for equipment maintenance and repair tasks.
| Item # | Tube OD | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
ML5129X6
|
6 mm
|
M12 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
ML5129X8
|
8 mm
|
M14 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
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|
|
ML5129X10
|
10 mm
|
M16 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
ML5129X12
|
12 mm
|
M8 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
ML5129X18
|
18 mm
|
M26 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
ML5129X22
|
22 mm
|
M30 x 2.0
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price |
DIN (Heavy) Plugs
DIN (Heavy) plugs are steel metric plugs made from carbon steel with a zinc plated finish and hex head drive for sealing DIN hydraulic fittings and ports. Heavy construction provides robust sealing and zinc plating helps resist corrosion. Suitable for industrial maintenance and repair tasks.
| Item # | Tube OD | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MD5129X6
|
6 mm
|
M14 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MD5129X8
|
8 mm
|
M16 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MD5129X10
|
10 mm
|
M18 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MD5129X12
|
12 mm
|
M20 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MD5129X14
|
14 mm
|
M22 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MD5129X16
|
16 mm
|
M24 x 1.5
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MD5129X20
|
22 mm
|
M30 x 2.0
|
Carbon Steel
|
Zinc Plated
|
Plug
|
2
|
Log in to view price |
Hex Head Plugs
Hex head plugs for metric ports made from carbon steel with zinc yellow dichromate plating. Metric threads with common pitches provide a 37° JIC flare sealing option using tapered, parallel, or o-ring seals and help adapt metric tubing to standard hose and fittings for industrial and repair tasks.
| Item # | Tube OD | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
M7237X10
|
10 mm
|
M10 x 1.0
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7237X12
|
12 mm
|
M12 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7237X14
|
14 mm
|
M14 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7237X16
|
16 mm
|
M16 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7237X18
|
18 mm
|
M18 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7237X20
|
20 mm
|
M20 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7237X22
|
22 mm
|
M22 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price |
Hex Sealed Plugs
Hex sealed plugs made from carbon steel with zinc yellow dichromate finish. Recessed hex drive threads are metric and seal via tapered or parallel threads with o-ring or 37° JIC flare. Fair vibration resistance provides reliable port adaptation for hydraulic and industrial connections.
| Item # | Tube OD | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
M7238X10
|
10 mm
|
M10 x 1.0
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7238X12
|
12 mm
|
M12 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7238X14
|
14 mm
|
M14 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7238X16
|
16 mm
|
M16 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
M7238X18
|
18 mm
|
M18 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price | |
|
|
M7238X20
|
20 mm
|
M20 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price | |
|
|
M7238X22
|
22 mm
|
M22 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price | |
|
|
M7238X24
|
24 mm
|
M24 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price | |
|
|
M7238X26
|
26 mm
|
M26 x 1.5
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price |
BSPT Countersunk Plugs
BSPT countersunk plugs made from SAE 12L14 carbon steel with zinc yellow dichromate finish. Countersunk head with BSPT tapered threads seals with thread, o-ring, or 37° JIC flare and converts BSP ports to 37° JIC. Fair vibration resistance suitable for equipment maintenance.
| Item # | BSPT | Thread Size | Material | Finish | Shape | Package Qty | |||
|---|---|---|---|---|---|---|---|---|---|
|
|
MB3169X2
|
1/8"
|
1/8"-28
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB3169X4
|
1/4"
|
1/4"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB3169X6
|
3/8"
|
3/8"-19
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB3169X8
|
1/2"
|
1/2"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
2
|
Log in to view price | |
|
|
MB3169X12
|
3/4"
|
3/4"-14
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price | |
|
|
MB3169X16
|
1"
|
1"-11
|
Carbon Steel
|
Yellow Dichromate, Zinc Plated
|
Plug
|
1
|
Log in to view price |
4 options | Item #:
MB5129X4
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4 options | Item #:
MB5229X4
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6 options | Item #:
MB5029X2
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6 options | Item #:
MB7237X2
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6 options | Item #:
MB7238X2
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6 options | Item #:
MP7237X2
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4 options | Item #:
MC5129X14
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4 options | Item #:
MC5229X14
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6 options | Item #:
ML5129X6
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7 options | Item #:
MD5129X6
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7 options | Item #:
M7237X10
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9 options | Item #:
M7238X10
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MB3169X2
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