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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 %
$ 1,705.00
$ 1,705.00 - $ 1,705.00
$ 1,705.00
$ 1,364.00
$ 1,364.00 - $ 1,364.00
$ 1,364.00

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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$ 1,705.00
$ 1,705.00 - $ 1,705.00
$ 1,705.00
$ 1,364.00
$ 1,364.00 - $ 1,364.00
$ 1,364.00
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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 %
$ 1,672.00
$ 1,672.00 - $ 1,672.00
$ 1,672.00
$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00

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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$ 1,672.00
$ 1,672.00 - $ 1,672.00
$ 1,672.00
$ 1,338.00
$ 1,338.00 - $ 1,338.00
$ 1,338.00
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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 %
$ 4,457.00
$ 4,457.00 - $ 4,457.00
$ 4,457.00
$ 3,565.00
$ 3,565.00 - $ 3,565.00
$ 3,565.00

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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$ 4,457.00
$ 4,457.00 - $ 4,457.00
$ 4,457.00
$ 3,565.00
$ 3,565.00 - $ 3,565.00
$ 3,565.00
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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 %
$ 4,728.00
$ 4,728.00 - $ 4,728.00
$ 4,728.00
$ 3,782.00
$ 3,782.00 - $ 3,782.00
$ 3,782.00

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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$ 4,728.00
$ 4,728.00 - $ 4,728.00
$ 4,728.00
$ 3,782.00
$ 3,782.00 - $ 3,782.00
$ 3,782.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 4,680.00
$ 4,680.00 - $ 4,680.00
$ 4,680.00
$ 3,744.00
$ 3,744.00 - $ 3,744.00
$ 3,744.00

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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$ 4,680.00
$ 4,680.00 - $ 4,680.00
$ 4,680.00
$ 3,744.00
$ 3,744.00 - $ 3,744.00
$ 3,744.00
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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 %
$ 4,543.00
$ 4,543.00 - $ 4,543.00
$ 4,543.00
$ 3,634.00
$ 3,634.00 - $ 3,634.00
$ 3,634.00

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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$ 4,543.00
$ 4,543.00 - $ 4,543.00
$ 4,543.00
$ 3,634.00
$ 3,634.00 - $ 3,634.00
$ 3,634.00
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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$ 1,585.00
$ 1,585.00 - $ 1,585.00
$ 1,585.00
$ 1,269.00
$ 1,269.00 - $ 1,269.00
$ 1,269.00

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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$ 1,585.00
$ 1,585.00 - $ 1,585.00
$ 1,585.00
$ 1,269.00
$ 1,269.00 - $ 1,269.00
$ 1,269.00
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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$ 1,553.00
$ 1,553.00 - $ 1,553.00
$ 1,553.00
$ 1,241.00
$ 1,241.00 - $ 1,241.00
$ 1,241.00

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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$ 1,553.00
$ 1,553.00 - $ 1,553.00
$ 1,553.00
$ 1,241.00
$ 1,241.00 - $ 1,241.00
$ 1,241.00
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 %
$ 2,958.00
$ 2,958.00 - $ 2,958.00
$ 2,958.00
$ 2,367.00
$ 2,367.00 - $ 2,367.00
$ 2,367.00

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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$ 2,958.00
$ 2,958.00 - $ 2,958.00
$ 2,958.00
$ 2,367.00
$ 2,367.00 - $ 2,367.00
$ 2,367.00
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 %
$ 3,274.00
$ 3,274.00 - $ 3,274.00
$ 3,274.00
$ 2,621.00
$ 2,621.00 - $ 2,621.00
$ 2,621.00

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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$ 3,274.00
$ 3,274.00 - $ 3,274.00
$ 3,274.00
$ 2,621.00
$ 2,621.00 - $ 2,621.00
$ 2,621.00
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 %
$ 3,316.00
$ 3,316.00 - $ 3,316.00
$ 3,316.00
$ 2,652.00
$ 2,652.00 - $ 2,652.00
$ 2,652.00

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 ...

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$ 3,316.00
$ 3,316.00 - $ 3,316.00
$ 3,316.00
$ 2,652.00
$ 2,652.00 - $ 2,652.00
$ 2,652.00
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 %
$ 1,872.00
$ 1,872.00 - $ 1,872.00
$ 1,872.00
$ 1,497.00
$ 1,497.00 - $ 1,497.00
$ 1,497.00

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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$ 1,872.00
$ 1,872.00 - $ 1,872.00
$ 1,872.00
$ 1,497.00
$ 1,497.00 - $ 1,497.00
$ 1,497.00
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 %
$ 2,177.00
$ 2,177.00 - $ 2,177.00
$ 2,177.00
$ 1,743.00
$ 1,743.00 - $ 1,743.00
$ 1,743.00

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 ...

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$ 2,177.00
$ 2,177.00 - $ 2,177.00
$ 2,177.00
$ 1,743.00
$ 1,743.00 - $ 1,743.00
$ 1,743.00
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 %
$ 6,597.00
$ 6,597.00 - $ 6,597.00
$ 6,597.00
$ 5,278.00
$ 5,278.00 - $ 5,278.00
$ 5,278.00

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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$ 6,597.00
$ 6,597.00 - $ 6,597.00
$ 6,597.00
$ 5,278.00
$ 5,278.00 - $ 5,278.00
$ 5,278.00
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 %
$ 6,994.00
$ 6,994.00 - $ 6,994.00
$ 6,994.00
$ 5,596.00
$ 5,596.00 - $ 5,596.00
$ 5,596.00

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
$ 6,994.00
$ 6,994.00 - $ 6,994.00
$ 6,994.00
$ 5,596.00
$ 5,596.00 - $ 5,596.00
$ 5,596.00
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 %
$ 6,920.00
$ 6,920.00 - $ 6,920.00
$ 6,920.00
$ 5,535.00
$ 5,535.00 - $ 5,535.00
$ 5,535.00

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
$ 6,920.00
$ 6,920.00 - $ 6,920.00
$ 6,920.00
$ 5,535.00
$ 5,535.00 - $ 5,535.00
$ 5,535.00
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 %
$ 2,165.00
$ 2,165.00 - $ 2,165.00
$ 2,165.00
$ 1,732.00
$ 1,732.00 - $ 1,732.00
$ 1,732.00

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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$ 2,165.00
$ 2,165.00 - $ 2,165.00
$ 2,165.00
$ 1,732.00
$ 1,732.00 - $ 1,732.00
$ 1,732.00
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 %
$ 1,909.00
$ 1,909.00 - $ 1,909.00
$ 1,909.00
$ 1,527.00
$ 1,527.00 - $ 1,527.00
$ 1,527.00

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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$ 1,909.00
$ 1,909.00 - $ 1,909.00
$ 1,909.00
$ 1,527.00
$ 1,527.00 - $ 1,527.00
$ 1,527.00
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 %
$ 166.00
$ 166.00 - $ 166.00
$ 166.00
$ 133.00
$ 133.00 - $ 133.00
$ 133.00

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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$ 166.00
$ 166.00 - $ 166.00
$ 166.00
$ 133.00
$ 133.00 - $ 133.00
$ 133.00
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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$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 196.00
$ 196.00 - $ 196.00
$ 196.00

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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$ 244.00
$ 244.00 - $ 244.00
$ 244.00
$ 196.00
$ 196.00 - $ 196.00
$ 196.00
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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$ 230.00
$ 230.00 - $ 230.00
$ 230.00
$ 185.00
$ 185.00 - $ 185.00
$ 185.00

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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$ 230.00
$ 230.00 - $ 230.00
$ 230.00
$ 185.00
$ 185.00 - $ 185.00
$ 185.00
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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$ 184.00
$ 184.00 - $ 184.00
$ 184.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00

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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$ 184.00
$ 184.00 - $ 184.00
$ 184.00
$ 147.00
$ 147.00 - $ 147.00
$ 147.00
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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$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 118.00
$ 118.00 - $ 118.00
$ 118.00

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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$ 147.00
$ 147.00 - $ 147.00
$ 147.00
$ 118.00
$ 118.00 - $ 118.00
$ 118.00
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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$ 208.00
$ 208.00 - $ 208.00
$ 208.00
$ 166.00
$ 166.00 - $ 166.00
$ 166.00

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...

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$ 208.00
$ 208.00 - $ 208.00
$ 208.00
$ 166.00
$ 166.00 - $ 166.00
$ 166.00
Save 20% Save %

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