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Hydraulic Quick Couplers

Hydraulic quick couplers join high-pressure fluid lines with a secure, leak-free connection. This collection covers ISO-B, ISO-A, flush face, and specialty hydraulic couplers and plugs in steel, brass, and stainless. Filter by series, body size, thread, and material to match your hydraulic system.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€90,95 - €90,95
€90,95
€90,95 - €90,95
€90,95

Foster H6B-104, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Silicone Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6B-104 is a brass 3/4" coupler in the FH...

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€90,95 - €90,95
€90,95
€90,95 - €90,95
€90,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€86,95 - €86,95
€86,95
€86,95 - €86,95
€86,95

Foster H6B-103, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6B-103 is a brass 3/4" coupler in the FH...

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€86,95 - €86,95
€86,95
€86,95 - €86,95
€86,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€91,95 - €91,95
€91,95
€91,95 - €91,95
€91,95

Foster H6B-101, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6B-101 is a brass 3/4" coupler in the FH...

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€91,95 - €91,95
€91,95
€91,95 - €91,95
€91,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€78,95 - €78,95
€78,95
€78,95 - €78,95
€78,95

Foster H6B, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6B is a brass 3/4" coupler in the FHK Se...

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€78,95 - €78,95
€78,95
€78,95 - €78,95
€78,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€39,95 - €39,95
€39,95
€39,95 - €39,95
€39,95

Foster H4S-103, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, EPDM Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S-103 is a steel 1/2" coupler in the FH...

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€39,95 - €39,95
€39,95
€39,95 - €39,95
€39,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€40,95 - €40,95
€40,95
€40,95 - €40,95
€40,95

Foster H4S-101, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S-101 is a steel 1/2" coupler in the FH...

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€40,95 - €40,95
€40,95
€40,95 - €40,95
€40,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€43,95 - €43,95
€43,95
€43,95 - €43,95
€43,95

Foster H4S10, 1/2" ISO-B Hydraulic Coupler x 7/8"-14 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S10 is a steel 1/2" coupler in the FHK ...

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€43,95 - €43,95
€43,95
€43,95 - €43,95
€43,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€116,95 - €116,95
€116,95
€116,95 - €116,95
€116,95

Foster H4S/S-103, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S/S-103 is a 303 stainless 1/2" coupler...

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€116,95 - €116,95
€116,95
€116,95 - €116,95
€116,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€115,95 - €115,95
€115,95
€115,95 - €115,95
€115,95

Foster H4S/S-101, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S/S-101 is a 303 stainless 1/2" coupler...

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€115,95 - €115,95
€115,95
€115,95 - €115,95
€115,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€111,95 - €111,95
€111,95
€111,95 - €111,95
€111,95

Foster H4S/S, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S/S is a 303 stainless 1/2" coupler in ...

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€111,95 - €111,95
€111,95
€111,95 - €111,95
€111,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€35,95 - €35,95
€35,95
€35,95 - €35,95
€35,95

Foster H4S, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4S is a steel 1/2" coupler in the FHK Se...

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€35,95 - €35,95
€35,95
€35,95 - €35,95
€35,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€50,95 - €50,95
€50,95
€50,95 - €50,95
€50,95

Foster H4B-103, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4B-103 is a brass 1/2" coupler in the FH...

View full details
€50,95 - €50,95
€50,95
€50,95 - €50,95
€50,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€50,95 - €50,95
€50,95
€50,95 - €50,95
€50,95

Foster H4B-102, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Neoprene Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4B-102 is a brass 1/2" coupler in the FH...

View full details
€50,95 - €50,95
€50,95
€50,95 - €50,95
€50,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€53,95 - €53,95
€53,95
€53,95 - €53,95
€53,95

Foster H4B-101, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4B-101 is a brass 1/2" coupler in the FH...

View full details
€53,95 - €53,95
€53,95
€53,95 - €53,95
€53,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€44,95 - €44,95
€44,95
€44,95 - €44,95
€44,95

Foster H4B, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H4B is a brass 1/2" coupler in the FHK Se...

View full details
€44,95 - €44,95
€44,95
€44,95 - €44,95
€44,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95

Foster H3S8, 3/8" ISO-B Hydraulic Coupler x 3/4"-16 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S8 is a steel 3/8" coupler in the FHK S...

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€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95

Foster H3S-104, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Silicone Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S-104 is a steel 3/8" coupler in the FH...

View full details
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€30,95 - €30,95
€30,95
€30,95 - €30,95
€30,95

Foster H3S-103, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, EPDM Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S-103 is a steel 3/8" coupler in the FH...

View full details
€30,95 - €30,95
€30,95
€30,95 - €30,95
€30,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95

Foster H3S-102, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Neoprene Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S-102 is a steel 3/8" coupler in the FH...

View full details
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95

Foster H3S-101, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S-101 is a steel 3/8" coupler in the FH...

View full details
€31,95 - €31,95
€31,95
€31,95 - €31,95
€31,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€66,95 - €66,95
€66,95
€66,95 - €66,95
€66,95

Foster H3S/S-101, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S/S-101 is a 303 stainless 3/8" coupler...

View full details
€66,95 - €66,95
€66,95
€66,95 - €66,95
€66,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€63,95 - €63,95
€63,95
€63,95 - €63,95
€63,95

Foster H3S/S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S/S is a 303 stainless 3/8" coupler in ...

View full details
€63,95 - €63,95
€63,95
€63,95 - €63,95
€63,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€27,95 - €27,95
€27,95
€27,95 - €27,95
€27,95

Foster H3S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3S is a steel 3/8" coupler in the FHK Se...

View full details
€27,95 - €27,95
€27,95
€27,95 - €27,95
€27,95
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
€32,95 - €32,95
€32,95
€32,95 - €32,95
€32,95

Foster H3B-104, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Silicone Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H3B-104 is a brass 3/8" coupler in the FH...

View full details
€32,95 - €32,95
€32,95
€32,95 - €32,95
€32,95

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