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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 18% Save %
$ 83.00
$ 83.00 - $ 83.00
$ 83.00
$ 68.00
$ 68.00 - $ 68.00
$ 68.00

Foster B1DC, 1/8" ISO-B Dust Cap, FHK Series, Rubber

The Foster B1DC is a 1/8" ISO-B dust cap in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects coupler (female half) from ...

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$ 83.00
$ 83.00 - $ 83.00
$ 83.00
$ 68.00
$ 68.00 - $ 68.00
$ 68.00
Save 18% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 104.00
$ 104.00 - $ 104.00
$ 104.00
$ 83.00
$ 83.00 - $ 83.00
$ 83.00

Foster B1DP, 1/8" ISO-B Dust Plug, FHK Series, Rubber

The Foster B1DP is a 1/8" ISO-B dust plug in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from dirt...

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$ 104.00
$ 104.00 - $ 104.00
$ 104.00
$ 83.00
$ 83.00 - $ 83.00
$ 83.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 21% Save %
$ 107.00
$ 107.00 - $ 107.00
$ 107.00
$ 85.00
$ 85.00 - $ 85.00
$ 85.00

Foster B2DC-DP, 1/4" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B2DC-DP is a 1/4" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both co...

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$ 107.00
$ 107.00 - $ 107.00
$ 107.00
$ 85.00
$ 85.00 - $ 85.00
$ 85.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 19% Save %
$ 114.00
$ 114.00 - $ 114.00
$ 114.00
$ 92.00
$ 92.00 - $ 92.00
$ 92.00

Foster B3DC-BLUE, 3/8" ISO-B Dust Cap (Blue), FHK Series, Rubber

The Foster B3DC-BLUE is a 3/8" ISO-B dust cap in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects coupler (female half) ...

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$ 114.00
$ 114.00 - $ 114.00
$ 114.00
$ 92.00
$ 92.00 - $ 92.00
$ 92.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 118.00
$ 118.00 - $ 118.00
$ 118.00
$ 95.00
$ 95.00 - $ 95.00
$ 95.00

Foster B3DC-DP, 3/8" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B3DC-DP is a 3/8" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both co...

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$ 118.00
$ 118.00 - $ 118.00
$ 118.00
$ 95.00
$ 95.00 - $ 95.00
$ 95.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 114.00
$ 114.00 - $ 114.00
$ 114.00
$ 92.00
$ 92.00 - $ 92.00
$ 92.00

Foster B3DP-BLUE, 3/8" ISO-B Dust Plug (Blue), FHK Series, Rubber

The Foster B3DP-BLUE is a 3/8" ISO-B dust plug in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from...

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$ 114.00
$ 114.00 - $ 114.00
$ 114.00
$ 92.00
$ 92.00 - $ 92.00
$ 92.00
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 %
$ 130.00
$ 130.00 - $ 130.00
$ 130.00
$ 104.00
$ 104.00 - $ 104.00
$ 104.00

Foster B4DC-DP, 1/2" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B4DC-DP is a 1/2" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both co...

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$ 130.00
$ 130.00 - $ 130.00
$ 130.00
$ 104.00
$ 104.00 - $ 104.00
$ 104.00
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 %
$ 99.00
$ 99.00 - $ 99.00
$ 99.00
$ 80.00
$ 80.00 - $ 80.00
$ 80.00

Foster B4DP-BLUE, 1/2" ISO-B Dust Plug (Blue), FHK Series, Rubber

The Foster B4DP-BLUE is a 1/2" ISO-B dust plug in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from...

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$ 99.00
$ 99.00 - $ 99.00
$ 99.00
$ 80.00
$ 80.00 - $ 80.00
$ 80.00
Save 19% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 144.00
$ 144.00 - $ 144.00
$ 144.00
$ 116.00
$ 116.00 - $ 116.00
$ 116.00

Foster B6DC-BLUE, 3/4" ISO-B Dust Cap (Blue), FHK Series, Rubber

The Foster B6DC-BLUE is a 3/4" ISO-B dust cap in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects coupler (female half) ...

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$ 144.00
$ 144.00 - $ 144.00
$ 144.00
$ 116.00
$ 116.00 - $ 116.00
$ 116.00
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 %
$ 234.00
$ 234.00 - $ 234.00
$ 234.00
$ 187.00
$ 187.00 - $ 187.00
$ 187.00

Foster B6DC-DP, 3/4" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B6DC-DP is a 3/4" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both co...

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$ 234.00
$ 234.00 - $ 234.00
$ 234.00
$ 187.00
$ 187.00 - $ 187.00
$ 187.00
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 %
$ 144.00
$ 144.00 - $ 144.00
$ 144.00
$ 116.00
$ 116.00 - $ 116.00
$ 116.00

Foster B6DP-BLUE, 3/4" ISO-B Dust Plug (Blue), FHK Series, Rubber

The Foster B6DP-BLUE is a 3/4" ISO-B dust plug in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from...

View full details
$ 144.00
$ 144.00 - $ 144.00
$ 144.00
$ 116.00
$ 116.00 - $ 116.00
$ 116.00
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 %
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 144.00
$ 144.00 - $ 144.00
$ 144.00

Foster B8DC-BLUE, 1" ISO-B Dust Cap (Blue), FHK Series, Rubber

The Foster B8DC-BLUE is a 1" ISO-B dust cap in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects coupler (female half) fr...

View full details
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 144.00
$ 144.00 - $ 144.00
$ 144.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 21% Save %
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00

Foster B8DC-DP, 1" ISO-B Dust Cap & Plug Combo, FHK Series, Rubber

The Foster B8DC-DP is a 1" ISO-B dust cap & plug combo in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects both coup...

View full details
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
$ 216.00
$ 216.00 - $ 216.00
$ 216.00
Save 21% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 20% Save %
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 144.00
$ 144.00 - $ 144.00
$ 144.00

Foster B8DP-BLUE, 1" ISO-B Dust Plug (Blue), FHK Series, Rubber

The Foster B8DP-BLUE is a 1" ISO-B dust plug in rubber for FHK / ISO 7241-1 Series B hydraulic quick couplings. It protects plug (male half) from d...

View full details
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
$ 144.00
$ 144.00 - $ 144.00
$ 144.00
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 %
$ 524.00
$ 524.00 - $ 524.00
$ 524.00
$ 420.00
$ 420.00 - $ 420.00
$ 420.00

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

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH1B is a brass 1/8" coupler in the FHK ...

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$ 524.00
$ 524.00 - $ 524.00
$ 524.00
$ 420.00
$ 420.00 - $ 420.00
$ 420.00
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 %
$ 521.00
$ 521.00 - $ 521.00
$ 521.00
$ 417.00
$ 417.00 - $ 417.00
$ 417.00

Foster BLH1S, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH1S is a steel 1/8" coupler in the FHK ...

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$ 521.00
$ 521.00 - $ 521.00
$ 521.00
$ 417.00
$ 417.00 - $ 417.00
$ 417.00
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 %
$ 1,300.00
$ 1,300.00 - $ 1,300.00
$ 1,300.00
$ 1,039.00
$ 1,039.00 - $ 1,039.00
$ 1,039.00

Foster BLH1S/S, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH1S/S is a 303 stainless 1/8" coupler i...

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$ 1,300.00
$ 1,300.00 - $ 1,300.00
$ 1,300.00
$ 1,039.00
$ 1,039.00 - $ 1,039.00
$ 1,039.00
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 %
$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00

Foster BLH1S4, 1/8" ISO-B Hydraulic Coupler x 7/16"-20 SAE, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH1S4 is a steel 1/8" coupler in the FHK...

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$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 467.00
$ 467.00 - $ 467.00
$ 467.00
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 %
$ 638.00
$ 638.00 - $ 638.00
$ 638.00
$ 510.00
$ 510.00 - $ 510.00
$ 510.00

Foster BLH2B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Ball Lock, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH2B is a brass 1/4" coupler in the FHK ...

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$ 638.00
$ 638.00 - $ 638.00
$ 638.00
$ 510.00
$ 510.00 - $ 510.00
$ 510.00
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 %
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 443.00
$ 443.00 - $ 443.00
$ 443.00

Foster BLH2S, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH2S is a steel 1/4" coupler in the FHK ...

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$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 443.00
$ 443.00 - $ 443.00
$ 443.00
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 %
$ 1,331.00
$ 1,331.00 - $ 1,331.00
$ 1,331.00
$ 1,065.00
$ 1,065.00 - $ 1,065.00
$ 1,065.00

Foster BLH2S/S, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH2S/S is a 303 stainless 1/4" coupler i...

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$ 1,331.00
$ 1,331.00 - $ 1,331.00
$ 1,331.00
$ 1,065.00
$ 1,065.00 - $ 1,065.00
$ 1,065.00
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 %
$ 624.00
$ 624.00 - $ 624.00
$ 624.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster BLH2S6, 1/4" ISO-B Hydraulic Coupler x 9/16"-18 SAE, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH2S6 is a steel 1/4" coupler in the FHK...

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$ 624.00
$ 624.00 - $ 624.00
$ 624.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
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 %
$ 849.00
$ 849.00 - $ 849.00
$ 849.00
$ 680.00
$ 680.00 - $ 680.00
$ 680.00

Foster BLH3B, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Ball Lock, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH3B is a brass 3/8" coupler in the FHK ...

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$ 849.00
$ 849.00 - $ 849.00
$ 849.00
$ 680.00
$ 680.00 - $ 680.00
$ 680.00
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 %
$ 823.00
$ 823.00 - $ 823.00
$ 823.00
$ 659.00
$ 659.00 - $ 659.00
$ 659.00

Foster BLH3S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Ball Lock, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster BLH3S is a steel 3/8" coupler in the FHK ...

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$ 823.00
$ 823.00 - $ 823.00
$ 823.00
$ 659.00
$ 659.00 - $ 659.00
$ 659.00
Save 20% Save %

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