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 $ 537.00Original price $ 537.00 - Original price $ 537.00Original price $ 537.00Current price $ 431.00$ 431.00 - $ 431.00Current price $ 431.00
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 $ 537.00Original price $ 537.00 - Original price $ 537.00Original price $ 537.00Current price $ 431.00$ 431.00 - $ 431.00Current price $ 431.00Save 20% -
Original price $ 534.00Original price $ 534.00 - Original price $ 534.00Original price $ 534.00Current price $ 427.00$ 427.00 - $ 427.00Current price $ 427.00
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 $ 534.00Original price $ 534.00 - Original price $ 534.00Original price $ 534.00Current price $ 427.00$ 427.00 - $ 427.00Current price $ 427.00Save 20% -
Original price $ 1,332.00Original price $ 1,332.00 - Original price $ 1,332.00Original price $ 1,332.00Current price $ 1,065.00$ 1,065.00 - $ 1,065.00Current price $ 1,065.00
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 $ 1,332.00Original price $ 1,332.00 - Original price $ 1,332.00Original price $ 1,332.00Current price $ 1,065.00$ 1,065.00 - $ 1,065.00Current price $ 1,065.00Save 20% -
Original price $ 599.00Original price $ 599.00 - Original price $ 599.00Original price $ 599.00Current price $ 479.00$ 479.00 - $ 479.00Current price $ 479.00
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 $ 599.00Original price $ 599.00 - Original price $ 599.00Original price $ 599.00Current price $ 479.00$ 479.00 - $ 479.00Current price $ 479.00Save 20% -
Original price $ 654.00Original price $ 654.00 - Original price $ 654.00Original price $ 654.00Current price $ 523.00$ 523.00 - $ 523.00Current price $ 523.00
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 $ 654.00Original price $ 654.00 - Original price $ 654.00Original price $ 654.00Current price $ 523.00$ 523.00 - $ 523.00Current price $ 523.00Save 20% -
Original price $ 565.00Original price $ 565.00 - Original price $ 565.00Original price $ 565.00Current price $ 454.00$ 454.00 - $ 454.00Current price $ 454.00
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 $ 565.00Original price $ 565.00 - Original price $ 565.00Original price $ 565.00Current price $ 454.00$ 454.00 - $ 454.00Current price $ 454.00Save 20% -
Original price $ 1,364.00Original price $ 1,364.00 - Original price $ 1,364.00Original price $ 1,364.00Current price $ 1,092.00$ 1,092.00 - $ 1,092.00Current price $ 1,092.00
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 $ 1,364.00Original price $ 1,364.00 - Original price $ 1,364.00Original price $ 1,364.00Current price $ 1,092.00$ 1,092.00 - $ 1,092.00Current price $ 1,092.00Save 20% -
Original price $ 640.00Original price $ 640.00 - Original price $ 640.00Original price $ 640.00Current price $ 512.00$ 512.00 - $ 512.00Current price $ 512.00
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 $ 640.00Original price $ 640.00 - Original price $ 640.00Original price $ 640.00Current price $ 512.00$ 512.00 - $ 512.00Current price $ 512.00Save 20% -
Original price $ 870.00Original price $ 870.00 - Original price $ 870.00Original price $ 870.00Current price $ 696.00$ 696.00 - $ 696.00Current price $ 696.00
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 $ 870.00Original price $ 870.00 - Original price $ 870.00Original price $ 870.00Current price $ 696.00$ 696.00 - $ 696.00Current price $ 696.00Save 20% -
Original price $ 844.00Original price $ 844.00 - Original price $ 844.00Original price $ 844.00Current price $ 675.00$ 675.00 - $ 675.00Current price $ 675.00
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 $ 844.00Original price $ 844.00 - Original price $ 844.00Original price $ 844.00Current price $ 675.00$ 675.00 - $ 675.00Current price $ 675.00Save 20% -
Original price $ 1,782.00Original price $ 1,782.00 - Original price $ 1,782.00Original price $ 1,782.00Current price $ 1,426.00$ 1,426.00 - $ 1,426.00Current price $ 1,426.00
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 $ 1,782.00Original price $ 1,782.00 - Original price $ 1,782.00Original price $ 1,782.00Current price $ 1,426.00$ 1,426.00 - $ 1,426.00Current price $ 1,426.00Save 20% -
Original price $ 929.00Original price $ 929.00 - Original price $ 929.00Original price $ 929.00Current price $ 743.00$ 743.00 - $ 743.00Current price $ 743.00
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 $ 929.00Original price $ 929.00 - Original price $ 929.00Original price $ 929.00Current price $ 743.00$ 743.00 - $ 743.00Current price $ 743.00Save 20% -
Original price $ 1,343.00Original price $ 1,343.00 - Original price $ 1,343.00Original price $ 1,343.00Current price $ 1,074.00$ 1,074.00 - $ 1,074.00Current price $ 1,074.00
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 $ 1,343.00Original price $ 1,343.00 - Original price $ 1,343.00Original price $ 1,343.00Current price $ 1,074.00$ 1,074.00 - $ 1,074.00Current price $ 1,074.00Save 20% -
Original price $ 1,045.00Original price $ 1,045.00 - Original price $ 1,045.00Original price $ 1,045.00Current price $ 836.00$ 836.00 - $ 836.00Current price $ 836.00
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 $ 1,045.00Original price $ 1,045.00 - Original price $ 1,045.00Original price $ 1,045.00Current price $ 836.00$ 836.00 - $ 836.00Current price $ 836.00Save 20% -
Original price $ 2,998.00Original price $ 2,998.00 - Original price $ 2,998.00Original price $ 2,998.00Current price $ 2,399.00$ 2,399.00 - $ 2,399.00Current price $ 2,399.00
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 $ 2,998.00Original price $ 2,998.00 - Original price $ 2,998.00Original price $ 2,998.00Current price $ 2,399.00$ 2,399.00 - $ 2,399.00Current price $ 2,399.00Save 20% -
Original price $ 1,256.00Original price $ 1,256.00 - Original price $ 1,256.00Original price $ 1,256.00Current price $ 1,006.00$ 1,006.00 - $ 1,006.00Current price $ 1,006.00
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 $ 1,256.00Original price $ 1,256.00 - Original price $ 1,256.00Original price $ 1,256.00Current price $ 1,006.00$ 1,006.00 - $ 1,006.00Current price $ 1,006.00Save 20% -
Original price $ 2,303.00Original price $ 2,303.00 - Original price $ 2,303.00Original price $ 2,303.00Current price $ 1,843.00$ 1,843.00 - $ 1,843.00Current price $ 1,843.00
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 $ 2,303.00Original price $ 2,303.00 - Original price $ 2,303.00Original price $ 2,303.00Current price $ 1,843.00$ 1,843.00 - $ 1,843.00Current price $ 1,843.00Save 20% -
Original price $ 1,772.00Original price $ 1,772.00 - Original price $ 1,772.00Original price $ 1,772.00Current price $ 1,417.00$ 1,417.00 - $ 1,417.00Current price $ 1,417.00
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 $ 1,772.00Original price $ 1,772.00 - Original price $ 1,772.00Original price $ 1,772.00Current price $ 1,417.00$ 1,417.00 - $ 1,417.00Current price $ 1,417.00Save 20% -
Original price $ 4,840.00Original price $ 4,840.00 - Original price $ 4,840.00Original price $ 4,840.00Current price $ 3,871.00$ 3,871.00 - $ 3,871.00Current price $ 3,871.00
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 $ 4,840.00Original price $ 4,840.00 - Original price $ 4,840.00Original price $ 4,840.00Current price $ 3,871.00$ 3,871.00 - $ 3,871.00Current price $ 3,871.00Save 20% -
Original price $ 1,793.00Original price $ 1,793.00 - Original price $ 1,793.00Original price $ 1,793.00Current price $ 1,435.00$ 1,435.00 - $ 1,435.00Current price $ 1,435.00
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 $ 1,793.00Original price $ 1,793.00 - Original price $ 1,793.00Original price $ 1,793.00Current price $ 1,435.00$ 1,435.00 - $ 1,435.00Current price $ 1,435.00Save 20% -
Original price $ 3,343.00Original price $ 3,343.00 - Original price $ 3,343.00Original price $ 3,343.00Current price $ 2,675.00$ 2,675.00 - $ 2,675.00Current price $ 2,675.00
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 $ 3,343.00Original price $ 3,343.00 - Original price $ 3,343.00Original price $ 3,343.00Current price $ 2,675.00$ 2,675.00 - $ 2,675.00Current price $ 2,675.00Save 20% -
Original price $ 2,163.00Original price $ 2,163.00 - Original price $ 2,163.00Original price $ 2,163.00Current price $ 1,731.00$ 1,731.00 - $ 1,731.00Current price $ 1,731.00
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 $ 2,163.00Original price $ 2,163.00 - Original price $ 2,163.00Original price $ 2,163.00Current price $ 1,731.00$ 1,731.00 - $ 1,731.00Current price $ 1,731.00Save 20% -
Original price $ 7,129.00Original price $ 7,129.00 - Original price $ 7,129.00Original price $ 7,129.00Current price $ 5,703.00$ 5,703.00 - $ 5,703.00Current price $ 5,703.00
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 $ 7,129.00Original price $ 7,129.00 - Original price $ 7,129.00Original price $ 7,129.00Current price $ 5,703.00$ 5,703.00 - $ 5,703.00Current price $ 5,703.00Save 20% -
Original price $ 2,431.00Original price $ 2,431.00 - Original price $ 2,431.00Original price $ 2,431.00Current price $ 1,945.00$ 1,945.00 - $ 1,945.00Current price $ 1,945.00
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 $ 2,431.00Original price $ 2,431.00 - Original price $ 2,431.00Original price $ 2,431.00Current price $ 1,945.00$ 1,945.00 - $ 1,945.00Current price $ 1,945.00Save 20%
