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 €18,95 - Original price €18,95Original price€18,95€18,95 - €18,95Current price €18,95| /
Foster K2S/SLV, 1/4" ISO-B Hydraulic Plug x 1/4" 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 K2S/SLV is a 303 stainless steel 1/4" plug ...
View full detailsOriginal price €18,95 - Original price €18,95Original price€18,95€18,95 - €18,95Current price €18,95| / -
Original price €11,95 - Original price €11,95Original price€11,95€11,95 - €11,95Current price €11,95| /
Foster K2S6, 1/4" ISO-B Hydraulic Plug x 9/16"-18 SAE, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K2S6 is a plated steel 1/4" plug from the I...
View full detailsOriginal price €11,95 - Original price €11,95Original price€11,95€11,95 - €11,95Current price €11,95| / -
Original price €8,95 - Original price €8,95Original price€8,95€8,95 - €8,95Current price €8,95| /
Foster K2SLV, 1/4" ISO-B Hydraulic Plug x 1/4" 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 K2SLV is a plated steel 1/4" plug from the ...
View full detailsOriginal price €8,95 - Original price €8,95Original price€8,95€8,95 - €8,95Current price €8,95| / -
Original price €13,95 - Original price €13,95Original price€13,95€13,95 - €13,95Current price €13,95| /
Foster K3B, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3B is a brass 3/8" plug from the ISO-B Ser...
View full detailsOriginal price €13,95 - Original price €13,95Original price€13,95€13,95 - €13,95Current price €13,95| / -
Original price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95| /
Foster K3B-101, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, Viton Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3B-101 is a brass 3/8" plug from the ISO-B...
View full detailsOriginal price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95| / -
Original price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95| /
Foster K3B-102, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, Neoprene Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3B-102 is a brass 3/8" plug from the ISO-B...
View full detailsOriginal price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95| / -
Original price €15,95 - Original price €15,95Original price€15,95€15,95 - €15,95Current price €15,95| /
Foster K3B-103, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, EPDM Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3B-103 is a brass 3/8" plug from the ISO-B...
View full detailsOriginal price €15,95 - Original price €15,95Original price€15,95€15,95 - €15,95Current price €15,95| / -
Original price €11,95 - Original price €11,95Original price€11,95€11,95 - €11,95Current price €11,95| /
Foster K3S, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3S is a plated steel 3/8" plug from the IS...
View full detailsOriginal price €11,95 - Original price €11,95Original price€11,95€11,95 - €11,95Current price €11,95| / -
Original price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| /
Foster K3S-101, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S-101 is a plated steel 3/8" plug from th...
View full detailsOriginal price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| / -
Original price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| /
Foster K3S-102, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S-102 is a plated steel 3/8" plug from th...
View full detailsOriginal price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| / -
Original price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| /
Foster K3S-103, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S-103 is a plated steel 3/8" plug from th...
View full detailsOriginal price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| / -
Original price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| /
Foster K3S-104, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, Silicone Seal, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3S-104 is a plated steel 3/8" plug from th...
View full detailsOriginal price €14,95 - Original price €14,95Original price€14,95€14,95 - €14,95Current price €14,95| / -
Original price €28,95 - Original price €28,95Original price€28,95€28,95 - €28,95Current price €28,95| /
Foster K3S/S, 3/8" ISO-B Hydraulic Plug x 3/8" Female NPT, ISO-B Series, 303 Stainless Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3S/S is a 303 stainless steel 3/8" plug fr...
View full detailsOriginal price €28,95 - Original price €28,95Original price€28,95€28,95 - €28,95Current price €28,95| / -
Original price €32,95 - Original price €32,95Original price€32,95€32,95 - €32,95Current price €32,95| /
Foster K3S/S-101, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S/S-101 is a 303 stainless steel 3/8" plu...
View full detailsOriginal price €32,95 - Original price €32,95Original price€32,95€32,95 - €32,95Current price €32,95| / -
Original price €31,95 - Original price €31,95Original price€31,95€31,95 - €31,95Current price €31,95| /
Foster K3S/S-103, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3S/S-103 is a 303 stainless steel 3/8" plu...
View full detailsOriginal price €31,95 - Original price €31,95Original price€31,95€31,95 - €31,95Current price €31,95| / -
Original price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95| /
Foster K3S8, 3/8" ISO-B Hydraulic Plug x 3/4"-16 SAE, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K3S8 is a plated steel 3/8" plug from the I...
View full detailsOriginal price €17,95 - Original price €17,95Original price€17,95€17,95 - €17,95Current price €17,95| / -
Original price €11,95 - Original price €11,95Original price€11,95€11,95 - €11,95Current price €11,95| /
Foster K3SLV, 3/8" ISO-B Hydraulic Plug x 3/8" 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 K3SLV is a plated steel 3/8" plug from the ...
View full detailsOriginal price €11,95 - Original price €11,95Original price€11,95€11,95 - €11,95Current price €11,95| / -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95| /
Foster K4B, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K4B is a brass 1/2" plug from the ISO-B Ser...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95| / -
Original price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95| /
Foster K4B-101, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Viton Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K4B-101 is a brass 1/2" plug from the ISO-B...
View full detailsOriginal price €24,95 - Original price €24,95Original price€24,95€24,95 - €24,95Current price €24,95| / -
Original price €23,95 - Original price €23,95Original price€23,95€23,95 - €23,95Current price €23,95| /
Foster K4B-102, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Neoprene Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K4B-102 is a brass 1/2" plug from the ISO-B...
View full detailsOriginal price €23,95 - Original price €23,95Original price€23,95€23,95 - €23,95Current price €23,95| / -
Original price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95| /
Foster K4B-103, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, EPDM Seal, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K4B-103 is a brass 1/2" plug from the ISO-B...
View full detailsOriginal price €22,95 - Original price €22,95Original price€22,95€22,95 - €22,95Current price €22,95| / -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95| /
Foster K4BLV, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Less Valve, Brass
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K4BLV is a brass 1/2" plug from the ISO-B S...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95| / -
Original price €15,95 - Original price €15,95Original price€15,95€15,95 - €15,95Current price €15,95| /
Foster K4S, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Plated Steel
In stockReliable, leak-free hydraulic connections built to the most widely used industrial standard. The Foster K4S is a plated steel 1/2" plug from the IS...
View full detailsOriginal price €15,95 - Original price €15,95Original price€15,95€15,95 - €15,95Current price €15,95| / -
Original price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95| /
Foster K4S-101, 1/2" ISO-B Hydraulic Plug x 1/2" 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 K4S-101 is a plated steel 1/2" plug from th...
View full detailsOriginal price €19,95 - Original price €19,95Original price€19,95€19,95 - €19,95Current price €19,95| /