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 $ 1,096.00Original price $ 1,096.00 - Original price $ 1,096.00Original price $ 1,096.00Current price $ 876.00$ 876.00 - $ 876.00Current price $ 876.00
Foster H4S10, 1/2" ISO-B Hydraulic Coupler x 7/8"-14 SAE, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H4S10 is a plated steel 1/2" coupler from t...
View full detailsOriginal price $ 1,096.00Original price $ 1,096.00 - Original price $ 1,096.00Original price $ 1,096.00Current price $ 876.00$ 876.00 - $ 876.00Current price $ 876.00Save 20% -
Original price $ 1,993.00Original price $ 1,993.00 - Original price $ 1,993.00Original price $ 1,993.00Current price $ 1,594.00$ 1,594.00 - $ 1,594.00Current price $ 1,594.00
Foster H6B, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6B is a brass 3/4" coupler from the ISO-B ...
View full detailsOriginal price $ 1,993.00Original price $ 1,993.00 - Original price $ 1,993.00Original price $ 1,993.00Current price $ 1,594.00$ 1,594.00 - $ 1,594.00Current price $ 1,594.00Save 20% -
Original price $ 2,320.00Original price $ 2,320.00 - Original price $ 2,320.00Original price $ 2,320.00Current price $ 1,857.00$ 1,857.00 - $ 1,857.00Current price $ 1,857.00
Foster H6B-101, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Viton Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6B-101 is a brass 3/4" coupler from the IS...
View full detailsOriginal price $ 2,320.00Original price $ 2,320.00 - Original price $ 2,320.00Original price $ 2,320.00Current price $ 1,857.00$ 1,857.00 - $ 1,857.00Current price $ 1,857.00Save 20% -
Original price $ 2,178.00Original price $ 2,178.00 - Original price $ 2,178.00Original price $ 2,178.00Current price $ 1,743.00$ 1,743.00 - $ 1,743.00Current price $ 1,743.00
Foster H6B-103, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, EPDM Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6B-103 is a brass 3/4" coupler from the IS...
View full detailsOriginal price $ 2,178.00Original price $ 2,178.00 - Original price $ 2,178.00Original price $ 2,178.00Current price $ 1,743.00$ 1,743.00 - $ 1,743.00Current price $ 1,743.00Save 20% -
Original price $ 2,282.00Original price $ 2,282.00 - Original price $ 2,282.00Original price $ 2,282.00Current price $ 1,827.00$ 1,827.00 - $ 1,827.00Current price $ 1,827.00
Foster H6B-104, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Silicone Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6B-104 is a brass 3/4" coupler from the IS...
View full detailsOriginal price $ 2,282.00Original price $ 2,282.00 - Original price $ 2,282.00Original price $ 2,282.00Current price $ 1,827.00$ 1,827.00 - $ 1,827.00Current price $ 1,827.00Save 20% -
Original price $ 1,563.00Original price $ 1,563.00 - Original price $ 1,563.00Original price $ 1,563.00Current price $ 1,250.00$ 1,250.00 - $ 1,250.00Current price $ 1,250.00
Foster H6S, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S is a plated steel 3/4" coupler from the...
View full detailsOriginal price $ 1,563.00Original price $ 1,563.00 - Original price $ 1,563.00Original price $ 1,563.00Current price $ 1,250.00$ 1,250.00 - $ 1,250.00Current price $ 1,250.00Save 20% -
Original price $ 1,763.00Original price $ 1,763.00 - Original price $ 1,763.00Original price $ 1,763.00Current price $ 1,412.00$ 1,412.00 - $ 1,412.00Current price $ 1,412.00
Foster H6S-101, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Viton Seal, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S-101 is a plated steel 3/4" coupler from...
View full detailsOriginal price $ 1,763.00Original price $ 1,763.00 - Original price $ 1,763.00Original price $ 1,763.00Current price $ 1,412.00$ 1,412.00 - $ 1,412.00Current price $ 1,412.00Save 20% -
Original price $ 1,749.00Original price $ 1,749.00 - Original price $ 1,749.00Original price $ 1,749.00Current price $ 1,399.00$ 1,399.00 - $ 1,399.00Current price $ 1,399.00
Foster H6S-102, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Neoprene Seal, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S-102 is a plated steel 3/4" coupler from...
View full detailsOriginal price $ 1,749.00Original price $ 1,749.00 - Original price $ 1,749.00Original price $ 1,749.00Current price $ 1,399.00$ 1,399.00 - $ 1,399.00Current price $ 1,399.00Save 20% -
Original price $ 1,715.00Original price $ 1,715.00 - Original price $ 1,715.00Original price $ 1,715.00Current price $ 1,373.00$ 1,373.00 - $ 1,373.00Current price $ 1,373.00
Foster H6S-103, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, EPDM Seal, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S-103 is a plated steel 3/4" coupler from...
View full detailsOriginal price $ 1,715.00Original price $ 1,715.00 - Original price $ 1,715.00Original price $ 1,715.00Current price $ 1,373.00$ 1,373.00 - $ 1,373.00Current price $ 1,373.00Save 20% -
Original price $ 4,572.00Original price $ 4,572.00 - Original price $ 4,572.00Original price $ 4,572.00Current price $ 3,657.00$ 3,657.00 - $ 3,657.00Current price $ 3,657.00
Foster H6S/S, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S/S is a 303 stainless steel 3/4" coupler...
View full detailsOriginal price $ 4,572.00Original price $ 4,572.00 - Original price $ 4,572.00Original price $ 4,572.00Current price $ 3,657.00$ 3,657.00 - $ 3,657.00Current price $ 3,657.00Save 20% -
Original price $ 4,850.00Original price $ 4,850.00 - Original price $ 4,850.00Original price $ 4,850.00Current price $ 3,880.00$ 3,880.00 - $ 3,880.00Current price $ 3,880.00
Foster H6S/S-101, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S/S-101 is a 303 stainless steel 3/4" cou...
View full detailsOriginal price $ 4,850.00Original price $ 4,850.00 - Original price $ 4,850.00Original price $ 4,850.00Current price $ 3,880.00$ 3,880.00 - $ 3,880.00Current price $ 3,880.00Save 20% -
Original price $ 4,801.00Original price $ 4,801.00 - Original price $ 4,801.00Original price $ 4,801.00Current price $ 3,841.00$ 3,841.00 - $ 3,841.00Current price $ 3,841.00
Foster H6S/S-103, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S/S-103 is a 303 stainless steel 3/4" cou...
View full detailsOriginal price $ 4,801.00Original price $ 4,801.00 - Original price $ 4,801.00Original price $ 4,801.00Current price $ 3,841.00$ 3,841.00 - $ 3,841.00Current price $ 3,841.00Save 20% -
Original price $ 4,660.00Original price $ 4,660.00 - Original price $ 4,660.00Original price $ 4,660.00Current price $ 3,728.00$ 3,728.00 - $ 3,728.00Current price $ 3,728.00
Foster H6S/SLV, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Less Valve, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S/SLV is a 303 stainless steel 3/4" coupl...
View full detailsOriginal price $ 4,660.00Original price $ 4,660.00 - Original price $ 4,660.00Original price $ 4,660.00Current price $ 3,728.00$ 3,728.00 - $ 3,728.00Current price $ 3,728.00Save 20% -
Original price $ 1,626.00Original price $ 1,626.00 - Original price $ 1,626.00Original price $ 1,626.00Current price $ 1,302.00$ 1,302.00 - $ 1,302.00Current price $ 1,302.00
Foster H6S12, 3/4" ISO-B Hydraulic Coupler x 1-1/16"-12 SAE, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6S12 is a plated steel 3/4" coupler from t...
View full detailsOriginal price $ 1,626.00Original price $ 1,626.00 - Original price $ 1,626.00Original price $ 1,626.00Current price $ 1,302.00$ 1,302.00 - $ 1,302.00Current price $ 1,302.00Save 20% -
Original price $ 1,593.00Original price $ 1,593.00 - Original price $ 1,593.00Original price $ 1,593.00Current price $ 1,274.00$ 1,274.00 - $ 1,274.00Current price $ 1,274.00
Foster H6SLV, 3/4" ISO-B Hydraulic Coupler x 3/4" Female NPT, ISO-B Series, Less Valve, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H6SLV is a plated steel 3/4" coupler from t...
View full detailsOriginal price $ 1,593.00Original price $ 1,593.00 - Original price $ 1,593.00Original price $ 1,593.00Current price $ 1,274.00$ 1,274.00 - $ 1,274.00Current price $ 1,274.00Save 20% -
Original price $ 3,034.00Original price $ 3,034.00 - Original price $ 3,034.00Original price $ 3,034.00Current price $ 2,428.00$ 2,428.00 - $ 2,428.00Current price $ 2,428.00
Foster H8B, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8B is a brass 1" coupler from the ISO-B Se...
View full detailsOriginal price $ 3,034.00Original price $ 3,034.00 - Original price $ 3,034.00Original price $ 3,034.00Current price $ 2,428.00$ 2,428.00 - $ 2,428.00Current price $ 2,428.00Save 20% -
Original price $ 3,359.00Original price $ 3,359.00 - Original price $ 3,359.00Original price $ 3,359.00Current price $ 2,689.00$ 2,689.00 - $ 2,689.00Current price $ 2,689.00
Foster H8B-101, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Viton Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8B-101 is a brass 1" coupler from the ISO-...
View full detailsOriginal price $ 3,359.00Original price $ 3,359.00 - Original price $ 3,359.00Original price $ 3,359.00Current price $ 2,689.00$ 2,689.00 - $ 2,689.00Current price $ 2,689.00Save 20% -
Original price $ 3,401.00Original price $ 3,401.00 - Original price $ 3,401.00Original price $ 3,401.00Current price $ 2,720.00$ 2,720.00 - $ 2,720.00Current price $ 2,720.00
Foster H8B-103, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, EPDM Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8B-103 is a brass 1" coupler from the ISO-...
View full detailsOriginal price $ 3,401.00Original price $ 3,401.00 - Original price $ 3,401.00Original price $ 3,401.00Current price $ 2,720.00$ 2,720.00 - $ 2,720.00Current price $ 2,720.00Save 20% -
Original price $ 1,921.00Original price $ 1,921.00 - Original price $ 1,921.00Original price $ 1,921.00Current price $ 1,536.00$ 1,536.00 - $ 1,536.00Current price $ 1,536.00
Foster H8S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8S is a plated steel 1" coupler from the I...
View full detailsOriginal price $ 1,921.00Original price $ 1,921.00 - Original price $ 1,921.00Original price $ 1,921.00Current price $ 1,536.00$ 1,536.00 - $ 1,536.00Current price $ 1,536.00Save 20% -
Original price $ 2,233.00Original price $ 2,233.00 - Original price $ 2,233.00Original price $ 2,233.00Current price $ 1,788.00$ 1,788.00 - $ 1,788.00Current price $ 1,788.00
Foster H8S-101, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Viton Seal, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8S-101 is a plated steel 1" coupler from t...
View full detailsOriginal price $ 2,233.00Original price $ 2,233.00 - Original price $ 2,233.00Original price $ 2,233.00Current price $ 1,788.00$ 1,788.00 - $ 1,788.00Current price $ 1,788.00Save 20% -
Original price $ 6,767.00Original price $ 6,767.00 - Original price $ 6,767.00Original price $ 6,767.00Current price $ 5,414.00$ 5,414.00 - $ 5,414.00Current price $ 5,414.00
Foster H8S/S, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8S/S is a 303 stainless steel 1" coupler f...
View full detailsOriginal price $ 6,767.00Original price $ 6,767.00 - Original price $ 6,767.00Original price $ 6,767.00Current price $ 5,414.00$ 5,414.00 - $ 5,414.00Current price $ 5,414.00Save 20% -
Original price $ 7,175.00Original price $ 7,175.00 - Original price $ 7,175.00Original price $ 7,175.00Current price $ 5,740.00$ 5,740.00 - $ 5,740.00Current price $ 5,740.00
Foster H8S/S-101, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8S/S-101 is a 303 stainless steel 1" coupl...
View full detailsOriginal price $ 7,175.00Original price $ 7,175.00 - Original price $ 7,175.00Original price $ 7,175.00Current price $ 5,740.00$ 5,740.00 - $ 5,740.00Current price $ 5,740.00Save 20% -
Original price $ 7,099.00Original price $ 7,099.00 - Original price $ 7,099.00Original price $ 7,099.00Current price $ 5,678.00$ 5,678.00 - $ 5,678.00Current price $ 5,678.00
Foster H8S/S-103, 1" ISO-B Hydraulic Coupler x 1" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8S/S-103 is a 303 stainless steel 1" coupl...
View full detailsOriginal price $ 7,099.00Original price $ 7,099.00 - Original price $ 7,099.00Original price $ 7,099.00Current price $ 5,678.00$ 5,678.00 - $ 5,678.00Current price $ 5,678.00Save 20% -
Original price $ 2,220.00Original price $ 2,220.00 - Original price $ 2,220.00Original price $ 2,220.00Current price $ 1,777.00$ 1,777.00 - $ 1,777.00Current price $ 1,777.00
Foster H8S16, 1" ISO-B Hydraulic Coupler x 15/16"-12 SAE, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster H8S16 is a plated steel 1" coupler from the...
View full detailsOriginal price $ 2,220.00Original price $ 2,220.00 - Original price $ 2,220.00Original price $ 2,220.00Current price $ 1,777.00$ 1,777.00 - $ 1,777.00Current price $ 1,777.00Save 20%
