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Foster ISO-B Series Couplers

Foster ISO-B (FHK) Series hydraulic quick couplers and plugs, compatible with ISO 7241-1 Series B — the most widely used industrial hydraulic interchange. Two-way shut-off seals both halves at disconnect to prevent fluid loss and air inclusion. Manual sleeve connection at zero pressure. Body sizes 1/8" to 1", in RoHS-plated steel, brass, and 303/316 stainless with Buna-N seals.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,796.00
$ 1,796.00 - $ 1,796.00
$ 1,796.00
$ 1,438.00
$ 1,438.00 - $ 1,438.00
$ 1,438.00

Foster H6S-102, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S-102 is a steel 3/4" coupler in the FH...

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$ 1,796.00
$ 1,796.00 - $ 1,796.00
$ 1,796.00
$ 1,438.00
$ 1,438.00 - $ 1,438.00
$ 1,438.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 1,762.00
$ 1,762.00 - $ 1,762.00
$ 1,762.00
$ 1,410.00
$ 1,410.00 - $ 1,410.00
$ 1,410.00

Foster H6S-103, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S-103 is a steel 3/4" coupler in the FH...

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$ 1,762.00
$ 1,762.00 - $ 1,762.00
$ 1,762.00
$ 1,410.00
$ 1,410.00 - $ 1,410.00
$ 1,410.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 4,696.00
$ 4,696.00 - $ 4,696.00
$ 4,696.00
$ 3,756.00
$ 3,756.00 - $ 3,756.00
$ 3,756.00

Foster H6S/S, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S/S is a 303 stainless 3/4" coupler in ...

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$ 4,696.00
$ 4,696.00 - $ 4,696.00
$ 4,696.00
$ 3,756.00
$ 3,756.00 - $ 3,756.00
$ 3,756.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 4,982.00
$ 4,982.00 - $ 4,982.00
$ 4,982.00
$ 3,986.00
$ 3,986.00 - $ 3,986.00
$ 3,986.00

Foster H6S/S-101, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S/S-101 is a 303 stainless 3/4" coupler...

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$ 4,982.00
$ 4,982.00 - $ 4,982.00
$ 4,982.00
$ 3,986.00
$ 3,986.00 - $ 3,986.00
$ 3,986.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 4,931.00
$ 4,931.00 - $ 4,931.00
$ 4,931.00
$ 3,946.00
$ 3,946.00 - $ 3,946.00
$ 3,946.00

Foster H6S/S-103, 3/4" ISO-B Hydraulic Coupler x 3/4" 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 H6S/S-103 is a 303 stainless 3/4" coupler...

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$ 4,931.00
$ 4,931.00 - $ 4,931.00
$ 4,931.00
$ 3,946.00
$ 3,946.00 - $ 3,946.00
$ 3,946.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 4,787.00
$ 4,787.00 - $ 4,787.00
$ 4,787.00
$ 3,829.00
$ 3,829.00 - $ 3,829.00
$ 3,829.00

Foster H6S/SLV, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Less Valve, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S/SLV is a 303 stainless 3/4" coupler i...

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$ 4,787.00
$ 4,787.00 - $ 4,787.00
$ 4,787.00
$ 3,829.00
$ 3,829.00 - $ 3,829.00
$ 3,829.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,671.00
$ 1,671.00 - $ 1,671.00
$ 1,671.00
$ 1,337.00
$ 1,337.00 - $ 1,337.00
$ 1,337.00

Foster H6S12, 3/4" ISO-B Hydraulic Coupler x 1-1/16"-12 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6S12 is a steel 3/4" coupler in the FHK ...

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$ 1,671.00
$ 1,671.00 - $ 1,671.00
$ 1,671.00
$ 1,337.00
$ 1,337.00 - $ 1,337.00
$ 1,337.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,636.00
$ 1,636.00 - $ 1,636.00
$ 1,636.00
$ 1,308.00
$ 1,308.00 - $ 1,308.00
$ 1,308.00

Foster H6SLV, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Less Valve, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H6SLV is a steel 3/4" coupler in the FHK ...

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$ 1,636.00
$ 1,636.00 - $ 1,636.00
$ 1,636.00
$ 1,308.00
$ 1,308.00 - $ 1,308.00
$ 1,308.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 3,117.00
$ 3,117.00 - $ 3,117.00
$ 3,117.00
$ 2,494.00
$ 2,494.00 - $ 2,494.00
$ 2,494.00

Foster H8B, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8B is a brass 1" coupler in the FHK Seri...

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$ 3,117.00
$ 3,117.00 - $ 3,117.00
$ 3,117.00
$ 2,494.00
$ 2,494.00 - $ 2,494.00
$ 2,494.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 3,450.00
$ 3,450.00 - $ 3,450.00
$ 3,450.00
$ 2,762.00
$ 2,762.00 - $ 2,762.00
$ 2,762.00

Foster H8B-101, 1" ISO-B Hydraulic Coupler x 1" 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 H8B-101 is a brass 1" coupler in the FHK ...

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$ 3,450.00
$ 3,450.00 - $ 3,450.00
$ 3,450.00
$ 2,762.00
$ 2,762.00 - $ 2,762.00
$ 2,762.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 3,494.00
$ 3,494.00 - $ 3,494.00
$ 3,494.00
$ 2,795.00
$ 2,795.00 - $ 2,795.00
$ 2,795.00

Foster H8B-103, 1" ISO-B Hydraulic Coupler x 1" 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 H8B-103 is a brass 1" coupler in the FHK ...

View full details
$ 3,494.00
$ 3,494.00 - $ 3,494.00
$ 3,494.00
$ 2,795.00
$ 2,795.00 - $ 2,795.00
$ 2,795.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 1,973.00
$ 1,973.00 - $ 1,973.00
$ 1,973.00
$ 1,578.00
$ 1,578.00 - $ 1,578.00
$ 1,578.00

Foster H8S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S is a steel 1" coupler in the FHK Seri...

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$ 1,973.00
$ 1,973.00 - $ 1,973.00
$ 1,973.00
$ 1,578.00
$ 1,578.00 - $ 1,578.00
$ 1,578.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 2,294.00
$ 2,294.00 - $ 2,294.00
$ 2,294.00
$ 1,836.00
$ 1,836.00 - $ 1,836.00
$ 1,836.00

Foster H8S-101, 1" ISO-B Hydraulic Coupler x 1" 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 H8S-101 is a steel 1" coupler in the FHK ...

View full details
$ 2,294.00
$ 2,294.00 - $ 2,294.00
$ 2,294.00
$ 1,836.00
$ 1,836.00 - $ 1,836.00
$ 1,836.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 6,952.00
$ 6,952.00 - $ 6,952.00
$ 6,952.00
$ 5,562.00
$ 5,562.00 - $ 5,562.00
$ 5,562.00

Foster H8S/S, 1" ISO-B Hydraulic Coupler x 1" 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 H8S/S is a 303 stainless 1" coupler in th...

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$ 6,952.00
$ 6,952.00 - $ 6,952.00
$ 6,952.00
$ 5,562.00
$ 5,562.00 - $ 5,562.00
$ 5,562.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 7,370.00
$ 7,370.00 - $ 7,370.00
$ 7,370.00
$ 5,897.00
$ 5,897.00 - $ 5,897.00
$ 5,897.00

Foster H8S/S-101, 1" ISO-B Hydraulic Coupler x 1" 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 H8S/S-101 is a 303 stainless 1" coupler i...

View full details
$ 7,370.00
$ 7,370.00 - $ 7,370.00
$ 7,370.00
$ 5,897.00
$ 5,897.00 - $ 5,897.00
$ 5,897.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 7,292.00
$ 7,292.00 - $ 7,292.00
$ 7,292.00
$ 5,833.00
$ 5,833.00 - $ 5,833.00
$ 5,833.00

Foster H8S/S-103, 1" ISO-B Hydraulic Coupler x 1" 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 H8S/S-103 is a 303 stainless 1" coupler i...

View full details
$ 7,292.00
$ 7,292.00 - $ 7,292.00
$ 7,292.00
$ 5,833.00
$ 5,833.00 - $ 5,833.00
$ 5,833.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 2,281.00
$ 2,281.00 - $ 2,281.00
$ 2,281.00
$ 1,826.00
$ 1,826.00 - $ 1,826.00
$ 1,826.00

Foster H8S16, 1" ISO-B Hydraulic Coupler x 15/16"-12 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8S16 is a steel 1" coupler in the FHK Se...

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$ 2,281.00
$ 2,281.00 - $ 2,281.00
$ 2,281.00
$ 1,826.00
$ 1,826.00 - $ 1,826.00
$ 1,826.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 2,011.00
$ 2,011.00 - $ 2,011.00
$ 2,011.00
$ 1,609.00
$ 1,609.00 - $ 1,609.00
$ 1,609.00

Foster H8SLV, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Less Valve, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster H8SLV is a steel 1" coupler in the FHK Se...

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$ 2,011.00
$ 2,011.00 - $ 2,011.00
$ 2,011.00
$ 1,609.00
$ 1,609.00 - $ 1,609.00
$ 1,609.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 175.00
$ 175.00 - $ 175.00
$ 175.00
$ 141.00
$ 141.00 - $ 141.00
$ 141.00

Foster K1B, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1B is a brass 1/8" plug in the FHK Serie...

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$ 175.00
$ 175.00 - $ 175.00
$ 175.00
$ 141.00
$ 141.00 - $ 141.00
$ 141.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 257.00
$ 257.00 - $ 257.00
$ 257.00
$ 206.00
$ 206.00 - $ 206.00
$ 206.00

Foster K1B-101, 1/8" ISO-B Hydraulic Plug x 1/8" 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 K1B-101 is a brass 1/8" plug in the FHK S...

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$ 257.00
$ 257.00 - $ 257.00
$ 257.00
$ 206.00
$ 206.00 - $ 206.00
$ 206.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00

Foster K1B-103, 1/8" ISO-B Hydraulic Plug x 1/8" 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 K1B-103 is a brass 1/8" plug in the FHK S...

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$ 243.00
$ 243.00 - $ 243.00
$ 243.00
$ 195.00
$ 195.00 - $ 195.00
$ 195.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 193.00
$ 193.00 - $ 193.00
$ 193.00
$ 155.00
$ 155.00 - $ 155.00
$ 155.00

Foster K1BLV, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Less Valve, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1BLV is a brass 1/8" plug in the FHK Ser...

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$ 193.00
$ 193.00 - $ 193.00
$ 193.00
$ 155.00
$ 155.00 - $ 155.00
$ 155.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00

Foster K1S, 1/8" ISO-B Hydraulic Plug x 1/8" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K1S is a steel 1/8" plug in the FHK Serie...

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$ 155.00
$ 155.00 - $ 155.00
$ 155.00
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 219.00
$ 219.00 - $ 219.00
$ 219.00
$ 175.00
$ 175.00 - $ 175.00
$ 175.00

Foster K1S-101, 1/8" ISO-B Hydraulic Plug x 1/8" 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 K1S-101 is a steel 1/8" plug in the FHK S...

View full details
$ 219.00
$ 219.00 - $ 219.00
$ 219.00
$ 175.00
$ 175.00 - $ 175.00
$ 175.00
Save 20% Save %

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