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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Original price $ 30.29Original price $ 30.29 - Original price $ 30.29Original price $ 30.29Current price $ 24.29$ 24.29 - $ 24.29Current price $ 24.29
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH1B is a brass 1/8" coupler from the ISO-...
View full detailsOriginal price $ 30.29Original price $ 30.29 - Original price $ 30.29Original price $ 30.29Current price $ 24.29$ 24.29 - $ 24.29Current price $ 24.29Save 20% -
Original price $ 30.09Original price $ 30.09 - Original price $ 30.09Original price $ 30.09Current price $ 24.09$ 24.09 - $ 24.09Current price $ 24.09
Foster BLH1S, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH1S is a plated steel 1/8" coupler from t...
View full detailsOriginal price $ 30.09Original price $ 30.09 - Original price $ 30.09Original price $ 30.09Current price $ 24.09$ 24.09 - $ 24.09Current price $ 24.09Save 20% -
Original price $ 75.19Original price $ 75.19 - Original price $ 75.19Original price $ 75.19Current price $ 60.09$ 60.09 - $ 60.09Current price $ 60.09
Foster BLH1S/S, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH1S/S is a 303 stainless steel 1/8" coupl...
View full detailsOriginal price $ 75.19Original price $ 75.19 - Original price $ 75.19Original price $ 75.19Current price $ 60.09$ 60.09 - $ 60.09Current price $ 60.09Save 20% -
Original price $ 33.79Original price $ 33.79 - Original price $ 33.79Original price $ 33.79Current price $ 26.99$ 26.99 - $ 26.99Current price $ 26.99
Foster BLH1S4, 1/8" ISO-B Hydraulic Coupler x 7/16"-20 SAE, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH1S4 is a plated steel 1/8" coupler from ...
View full detailsOriginal price $ 33.79Original price $ 33.79 - Original price $ 33.79Original price $ 33.79Current price $ 26.99$ 26.99 - $ 26.99Current price $ 26.99Save 20% -
Original price $ 36.89Original price $ 36.89 - Original price $ 36.89Original price $ 36.89Current price $ 29.49$ 29.49 - $ 29.49Current price $ 29.49
Foster BLH2B, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Ball Lock, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH2B is a brass 1/4" coupler from the ISO-...
View full detailsOriginal price $ 36.89Original price $ 36.89 - Original price $ 36.89Original price $ 36.89Current price $ 29.49$ 29.49 - $ 29.49Current price $ 29.49Save 20% -
Original price $ 31.89Original price $ 31.89 - Original price $ 31.89Original price $ 31.89Current price $ 25.59$ 25.59 - $ 25.59Current price $ 25.59
Foster BLH2S, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH2S is a plated steel 1/4" coupler from t...
View full detailsOriginal price $ 31.89Original price $ 31.89 - Original price $ 31.89Original price $ 31.89Current price $ 25.59$ 25.59 - $ 25.59Current price $ 25.59Save 20% -
Original price $ 76.99Original price $ 76.99 - Original price $ 76.99Original price $ 76.99Current price $ 61.59$ 61.59 - $ 61.59Current price $ 61.59
Foster BLH2S/S, 1/4" ISO-B Hydraulic Coupler x 1/4" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH2S/S is a 303 stainless steel 1/4" coupl...
View full detailsOriginal price $ 76.99Original price $ 76.99 - Original price $ 76.99Original price $ 76.99Current price $ 61.59$ 61.59 - $ 61.59Current price $ 61.59Save 20% -
Original price $ 36.09Original price $ 36.09 - Original price $ 36.09Original price $ 36.09Current price $ 28.89$ 28.89 - $ 28.89Current price $ 28.89
Foster BLH2S6, 1/4" ISO-B Hydraulic Coupler x 9/16"-18 SAE, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH2S6 is a plated steel 1/4" coupler from ...
View full detailsOriginal price $ 36.09Original price $ 36.09 - Original price $ 36.09Original price $ 36.09Current price $ 28.89$ 28.89 - $ 28.89Current price $ 28.89Save 20% -
Original price $ 49.09Original price $ 49.09 - Original price $ 49.09Original price $ 49.09Current price $ 39.29$ 39.29 - $ 39.29Current price $ 39.29
Foster BLH3B, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Ball Lock, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH3B is a brass 3/8" coupler from the ISO-...
View full detailsOriginal price $ 49.09Original price $ 49.09 - Original price $ 49.09Original price $ 49.09Current price $ 39.29$ 39.29 - $ 39.29Current price $ 39.29Save 20% -
Original price $ 47.59Original price $ 47.59 - Original price $ 47.59Original price $ 47.59Current price $ 38.09$ 38.09 - $ 38.09Current price $ 38.09
Foster BLH3S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH3S is a plated steel 3/8" coupler from t...
View full detailsOriginal price $ 47.59Original price $ 47.59 - Original price $ 47.59Original price $ 47.59Current price $ 38.09$ 38.09 - $ 38.09Current price $ 38.09Save 20% -
Original price $ 100.59Original price $ 100.59 - Original price $ 100.59Original price $ 100.59Current price $ 80.49$ 80.49 - $ 80.49Current price $ 80.49
Foster BLH3S/S, 3/8" ISO-B Hydraulic Coupler x 3/8" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH3S/S is a 303 stainless steel 3/8" coupl...
View full detailsOriginal price $ 100.59Original price $ 100.59 - Original price $ 100.59Original price $ 100.59Current price $ 80.49$ 80.49 - $ 80.49Current price $ 80.49Save 20% -
Original price $ 52.39Original price $ 52.39 - Original price $ 52.39Original price $ 52.39Current price $ 41.89$ 41.89 - $ 41.89Current price $ 41.89
Foster BLH3S8, 3/8" ISO-B Hydraulic Coupler x 3/4"-16 SAE, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH3S8 is a plated steel 3/8" coupler from ...
View full detailsOriginal price $ 52.39Original price $ 52.39 - Original price $ 52.39Original price $ 52.39Current price $ 41.89$ 41.89 - $ 41.89Current price $ 41.89Save 20% -
Original price $ 75.79Original price $ 75.79 - Original price $ 75.79Original price $ 75.79Current price $ 60.59$ 60.59 - $ 60.59Current price $ 60.59
Foster BLH4B, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Ball Lock, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH4B is a brass 1/2" coupler from the ISO-...
View full detailsOriginal price $ 75.79Original price $ 75.79 - Original price $ 75.79Original price $ 75.79Current price $ 60.59$ 60.59 - $ 60.59Current price $ 60.59Save 20% -
Original price $ 58.99Original price $ 58.99 - Original price $ 58.99Original price $ 58.99Current price $ 47.19$ 47.19 - $ 47.19Current price $ 47.19
Foster BLH4S, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH4S is a plated steel 1/2" coupler from t...
View full detailsOriginal price $ 58.99Original price $ 58.99 - Original price $ 58.99Original price $ 58.99Current price $ 47.19$ 47.19 - $ 47.19Current price $ 47.19Save 20% -
Original price $ 169.19Original price $ 169.19 - Original price $ 169.19Original price $ 169.19Current price $ 135.39$ 135.39 - $ 135.39Current price $ 135.39
Foster BLH4S/S, 1/2" ISO-B Hydraulic Coupler x 1/2" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH4S/S is a 303 stainless steel 1/2" coupl...
View full detailsOriginal price $ 169.19Original price $ 169.19 - Original price $ 169.19Original price $ 169.19Current price $ 135.39$ 135.39 - $ 135.39Current price $ 135.39Save 20% -
Original price $ 70.89Original price $ 70.89 - Original price $ 70.89Original price $ 70.89Current price $ 56.79$ 56.79 - $ 56.79Current price $ 56.79
Foster BLH4S10, 1/2" ISO-B Hydraulic Coupler x 7/8"-14 SAE, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH4S10 is a plated steel 1/2" coupler from...
View full detailsOriginal price $ 70.89Original price $ 70.89 - Original price $ 70.89Original price $ 70.89Current price $ 56.79$ 56.79 - $ 56.79Current price $ 56.79Save 20% -
Original price $ 129.99Original price $ 129.99 - Original price $ 129.99Original price $ 129.99Current price $ 103.99$ 103.99 - $ 103.99Current price $ 103.99
Foster BLH6B, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Ball Lock, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH6B is a brass 3/4" coupler from the ISO-...
View full detailsOriginal price $ 129.99Original price $ 129.99 - Original price $ 129.99Original price $ 129.99Current price $ 103.99$ 103.99 - $ 103.99Current price $ 103.99Save 20% -
Original price $ 99.99Original price $ 99.99 - Original price $ 99.99Original price $ 99.99Current price $ 79.99$ 79.99 - $ 79.99Current price $ 79.99
Foster BLH6S, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH6S is a plated steel 3/4" coupler from t...
View full detailsOriginal price $ 99.99Original price $ 99.99 - Original price $ 99.99Original price $ 99.99Current price $ 79.99$ 79.99 - $ 79.99Current price $ 79.99Save 20% -
Original price $ 273.19Original price $ 273.19 - Original price $ 273.19Original price $ 273.19Current price $ 218.49$ 218.49 - $ 218.49Current price $ 218.49
Foster BLH6S/S, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH6S/S is a 303 stainless steel 3/4" coupl...
View full detailsOriginal price $ 273.19Original price $ 273.19 - Original price $ 273.19Original price $ 273.19Current price $ 218.49$ 218.49 - $ 218.49Current price $ 218.49Save 20% -
Original price $ 101.19Original price $ 101.19 - Original price $ 101.19Original price $ 101.19Current price $ 80.99$ 80.99 - $ 80.99Current price $ 80.99
Foster BLH6S12, 3/4" ISO-B Hydraulic Coupler x 1-1/16"-12 SAE, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH6S12 is a plated steel 3/4" coupler from...
View full detailsOriginal price $ 101.19Original price $ 101.19 - Original price $ 101.19Original price $ 101.19Current price $ 80.99$ 80.99 - $ 80.99Current price $ 80.99Save 20% -
Original price $ 188.69Original price $ 188.69 - Original price $ 188.69Original price $ 188.69Current price $ 150.99$ 150.99 - $ 150.99Current price $ 150.99
Foster BLH8B, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Ball Lock, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH8B is a brass 1" coupler from the ISO-B ...
View full detailsOriginal price $ 188.69Original price $ 188.69 - Original price $ 188.69Original price $ 188.69Current price $ 150.99$ 150.99 - $ 150.99Current price $ 150.99Save 20% -
Original price $ 122.09Original price $ 122.09 - Original price $ 122.09Original price $ 122.09Current price $ 97.69$ 97.69 - $ 97.69Current price $ 97.69
Foster BLH8S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH8S is a plated steel 1" coupler from the...
View full detailsOriginal price $ 122.09Original price $ 122.09 - Original price $ 122.09Original price $ 122.09Current price $ 97.69$ 97.69 - $ 97.69Current price $ 97.69Save 20% -
Original price $ 402.39Original price $ 402.39 - Original price $ 402.39Original price $ 402.39Current price $ 321.89$ 321.89 - $ 321.89Current price $ 321.89
Foster BLH8S/S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Ball Lock, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH8S/S is a 303 stainless steel 1" coupler...
View full detailsOriginal price $ 402.39Original price $ 402.39 - Original price $ 402.39Original price $ 402.39Current price $ 321.89$ 321.89 - $ 321.89Current price $ 321.89Save 20% -
Original price $ 137.19Original price $ 137.19 - Original price $ 137.19Original price $ 137.19Current price $ 109.79$ 109.79 - $ 109.79Current price $ 109.79
Foster BLH8S16, 1" ISO-B Hydraulic Coupler x 15/16"-12 SAE, ISO-B Series, Ball Lock, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster BLH8S16 is a plated steel 1" coupler from t...
View full detailsOriginal price $ 137.19Original price $ 137.19 - Original price $ 137.19Original price $ 137.19Current price $ 109.79$ 109.79 - $ 109.79Current price $ 109.79Save 20%
