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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 %
$ 88.00
$ 88.00 - $ 88.00
$ 88.00
$ 72.00
$ 72.00 - $ 72.00
$ 72.00

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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$ 88.00
$ 88.00 - $ 88.00
$ 88.00
$ 72.00
$ 72.00 - $ 72.00
$ 72.00
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 %
$ 110.00
$ 110.00 - $ 110.00
$ 110.00
$ 88.00
$ 88.00 - $ 88.00
$ 88.00

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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$ 110.00
$ 110.00 - $ 110.00
$ 110.00
$ 88.00
$ 88.00 - $ 88.00
$ 88.00
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 %
$ 114.00
$ 114.00 - $ 114.00
$ 114.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00

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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$ 114.00
$ 114.00 - $ 114.00
$ 114.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00
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 %
$ 121.00
$ 121.00 - $ 121.00
$ 121.00
$ 97.00
$ 97.00 - $ 97.00
$ 97.00

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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$ 121.00
$ 121.00 - $ 121.00
$ 121.00
$ 97.00
$ 97.00 - $ 97.00
$ 97.00
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 %
$ 125.00
$ 125.00 - $ 125.00
$ 125.00
$ 101.00
$ 101.00 - $ 101.00
$ 101.00

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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$ 125.00
$ 125.00 - $ 125.00
$ 125.00
$ 101.00
$ 101.00 - $ 101.00
$ 101.00
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 %
$ 121.00
$ 121.00 - $ 121.00
$ 121.00
$ 97.00
$ 97.00 - $ 97.00
$ 97.00

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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$ 121.00
$ 121.00 - $ 121.00
$ 121.00
$ 97.00
$ 97.00 - $ 97.00
$ 97.00
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 %
$ 138.00
$ 138.00 - $ 138.00
$ 138.00
$ 110.00
$ 110.00 - $ 110.00
$ 110.00

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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$ 138.00
$ 138.00 - $ 138.00
$ 138.00
$ 110.00
$ 110.00 - $ 110.00
$ 110.00
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 %
$ 105.00
$ 105.00 - $ 105.00
$ 105.00
$ 85.00
$ 85.00 - $ 85.00
$ 85.00

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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$ 105.00
$ 105.00 - $ 105.00
$ 105.00
$ 85.00
$ 85.00 - $ 85.00
$ 85.00
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 %
$ 152.00
$ 152.00 - $ 152.00
$ 152.00
$ 123.00
$ 123.00 - $ 123.00
$ 123.00

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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$ 152.00
$ 152.00 - $ 152.00
$ 152.00
$ 123.00
$ 123.00 - $ 123.00
$ 123.00
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 %
$ 248.00
$ 248.00 - $ 248.00
$ 248.00
$ 198.00
$ 198.00 - $ 198.00
$ 198.00

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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$ 248.00
$ 248.00 - $ 248.00
$ 248.00
$ 198.00
$ 198.00 - $ 198.00
$ 198.00
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 %
$ 152.00
$ 152.00 - $ 152.00
$ 152.00
$ 123.00
$ 123.00 - $ 123.00
$ 123.00

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
$ 152.00
$ 152.00 - $ 152.00
$ 152.00
$ 123.00
$ 123.00 - $ 123.00
$ 123.00
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 %
$ 191.00
$ 191.00 - $ 191.00
$ 191.00
$ 152.00
$ 152.00 - $ 152.00
$ 152.00

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...

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$ 191.00
$ 191.00 - $ 191.00
$ 191.00
$ 152.00
$ 152.00 - $ 152.00
$ 152.00
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 %
$ 288.00
$ 288.00 - $ 288.00
$ 288.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00

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
$ 288.00
$ 288.00 - $ 288.00
$ 288.00
$ 229.00
$ 229.00 - $ 229.00
$ 229.00
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 %
$ 191.00
$ 191.00 - $ 191.00
$ 191.00
$ 152.00
$ 152.00 - $ 152.00
$ 152.00

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
$ 191.00
$ 191.00 - $ 191.00
$ 191.00
$ 152.00
$ 152.00 - $ 152.00
$ 152.00
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 %
$ 555.00
$ 555.00 - $ 555.00
$ 555.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00

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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$ 555.00
$ 555.00 - $ 555.00
$ 555.00
$ 445.00
$ 445.00 - $ 445.00
$ 445.00
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
$ 442.00
$ 442.00 - $ 442.00
$ 442.00

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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$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 442.00
$ 442.00 - $ 442.00
$ 442.00
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 %
$ 1,378.00
$ 1,378.00 - $ 1,378.00
$ 1,378.00
$ 1,101.00
$ 1,101.00 - $ 1,101.00
$ 1,101.00

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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$ 1,378.00
$ 1,378.00 - $ 1,378.00
$ 1,378.00
$ 1,101.00
$ 1,101.00 - $ 1,101.00
$ 1,101.00
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 %
$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00

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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$ 619.00
$ 619.00 - $ 619.00
$ 619.00
$ 495.00
$ 495.00 - $ 495.00
$ 495.00
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 %
$ 676.00
$ 676.00 - $ 676.00
$ 676.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00

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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$ 676.00
$ 676.00 - $ 676.00
$ 676.00
$ 541.00
$ 541.00 - $ 541.00
$ 541.00
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
$ 469.00
$ 469.00 - $ 469.00
$ 469.00

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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$ 585.00
$ 585.00 - $ 585.00
$ 585.00
$ 469.00
$ 469.00 - $ 469.00
$ 469.00
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 %
$ 1,411.00
$ 1,411.00 - $ 1,411.00
$ 1,411.00
$ 1,129.00
$ 1,129.00 - $ 1,129.00
$ 1,129.00

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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$ 1,411.00
$ 1,411.00 - $ 1,411.00
$ 1,411.00
$ 1,129.00
$ 1,129.00 - $ 1,129.00
$ 1,129.00
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 %
$ 662.00
$ 662.00 - $ 662.00
$ 662.00
$ 530.00
$ 530.00 - $ 530.00
$ 530.00

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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$ 662.00
$ 662.00 - $ 662.00
$ 662.00
$ 530.00
$ 530.00 - $ 530.00
$ 530.00
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 %
$ 900.00
$ 900.00 - $ 900.00
$ 900.00
$ 720.00
$ 720.00 - $ 720.00
$ 720.00

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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$ 900.00
$ 900.00 - $ 900.00
$ 900.00
$ 720.00
$ 720.00 - $ 720.00
$ 720.00
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 %
$ 872.00
$ 872.00 - $ 872.00
$ 872.00
$ 698.00
$ 698.00 - $ 698.00
$ 698.00

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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$ 872.00
$ 872.00 - $ 872.00
$ 872.00
$ 698.00
$ 698.00 - $ 698.00
$ 698.00
Save 20% Save %

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