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Hydraulic Quick Couplers

Hydraulic quick couplers join high-pressure fluid lines with a secure, leak-free connection. This collection covers ISO-B, ISO-A, flush face, and specialty hydraulic couplers and plugs in steel, brass, and stainless. Filter by series, body size, thread, and material to match your hydraulic system.

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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00

Foster FSS316-6401-10-08, 5/8" ORB (7/8"-14 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-10-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 1/2" Male Pipe. Machined for ...

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$ 293.00
$ 293.00 - $ 293.00
$ 293.00
$ 235.00
$ 235.00 - $ 235.00
$ 235.00
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 %
$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00

Foster FSS316-6401-12-08, 3/4" ORB (1 1/16"-12 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-12-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1/2" Male Pipe. Machined f...

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$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
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 %
$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00

Foster FSS316-6401-08-06, 1/2" ORB (3/4"-16 thread) Male x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-08-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 3/8" Male Pipe. Machined for ...

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$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
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Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00

Foster FSS316-6401-10-12, 5/8" ORB (7/8"-14 thread) Male x 3/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-10-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 3/4" Male Pipe. Machined for ...

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$ 339.00
$ 339.00 - $ 339.00
$ 339.00
$ 272.00
$ 272.00 - $ 272.00
$ 272.00
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 %
$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00

Foster FSS316-6401-08-08, 1/2" ORB (3/4"-16 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/2" Male Pipe. Machined for ...

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$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
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 %
$ 215.00
$ 215.00 - $ 215.00
$ 215.00
$ 171.00
$ 171.00 - $ 171.00
$ 171.00

Foster FSS316-6401-08-04, 1/2" ORB (3/4"-16 thread) Male x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-08-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/4" Male Pipe. Machined for ...

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$ 215.00
$ 215.00 - $ 215.00
$ 215.00
$ 171.00
$ 171.00 - $ 171.00
$ 171.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
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$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 127.00
$ 127.00 - $ 127.00
$ 127.00

Foster FSS316-6401-06-06, 3/8" ORB (9/16"-18 thread) Male x 3/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 3/8" Male Pipe. Machined for...

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$ 159.00
$ 159.00 - $ 159.00
$ 159.00
$ 127.00
$ 127.00 - $ 127.00
$ 127.00
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 %
$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00

Foster FSS316-6401-06-08, 3/8" ORB (9/16"-18 thread) Male x 1/2" Male Pipe, 316 Stainless

The Foster FSS316-6401-06-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/2" Male Pipe. Machined for...

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$ 226.00
$ 226.00 - $ 226.00
$ 226.00
$ 180.00
$ 180.00 - $ 180.00
$ 180.00
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 %
$ 113.00
$ 113.00 - $ 113.00
$ 113.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00

Foster FSS316-6401-04-02, 1/4" ORB (7/16"-20 thread) Male x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-04-02 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male x 1/8" Male Pipe. Machined for...

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$ 113.00
$ 113.00 - $ 113.00
$ 113.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00
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 %
$ 113.00
$ 113.00 - $ 113.00
$ 113.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00

Foster FSS316-6401-04-04, 1/4" ORB (7/16"-20 thread) Male x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-04-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB (7/16"-20 thread) Male x 1/4" Male Pipe. Machined for...

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$ 113.00
$ 113.00 - $ 113.00
$ 113.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00
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 %
$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00

Foster FSS316-6401-06-04, 3/8" ORB (9/16"-18 thread) Male x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-06-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/4" Male Pipe. Machined for...

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$ 136.00
$ 136.00 - $ 136.00
$ 136.00
$ 108.00
$ 108.00 - $ 108.00
$ 108.00
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 %
$ 101.00
$ 101.00 - $ 101.00
$ 101.00
$ 81.00
$ 81.00 - $ 81.00
$ 81.00

Foster FSS316-6401-03-02, 3/16" ORB (3/8"-24 thread) Male x 1/8" Male Pipe, 316 Stainless

The Foster FSS316-6401-03-02 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/16" ORB (3/8"-24 thread) Male x 1/8" Male Pipe. Machined for...

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$ 101.00
$ 101.00 - $ 101.00
$ 101.00
$ 81.00
$ 81.00 - $ 81.00
$ 81.00
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 %
$ 124.00
$ 124.00 - $ 124.00
$ 124.00
$ 99.00
$ 99.00 - $ 99.00
$ 99.00

Foster FSS316-6401-05-04, 5/16" ORB (1/2"-20 thread) Male x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-05-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/16" ORB (1/2"-20 thread) Male x 1/4" Male Pipe. Machined for...

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$ 124.00
$ 124.00 - $ 124.00
$ 124.00
$ 99.00
$ 99.00 - $ 99.00
$ 99.00
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 %
$ 113.00
$ 113.00 - $ 113.00
$ 113.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00

Foster FSS316-6401-02-04, 1/8" ORB (5/16"-24 thread) Male x 1/4" Male Pipe, 316 Stainless

The Foster FSS316-6401-02-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/8" ORB (5/16"-24 thread) Male x 1/4" Male Pipe. Machined for...

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$ 113.00
$ 113.00 - $ 113.00
$ 113.00
$ 90.00
$ 90.00 - $ 90.00
$ 90.00
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 %
$ 428.00
$ 428.00 - $ 428.00
$ 428.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00

Foster FS318HFP, 3/8" Jiffy-Tite Mold Coolant Coupler x 90° 3/8" Hose Barb, FJT Series, Non-Valved (High Flow), Push-On, Brass

Fast coolant-line connections that slash mold-change downtime. The Foster FS318HFP is a brass 3/8" coupler from the FJT Series — the Jiffy-Tite mol...

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$ 428.00
$ 428.00 - $ 428.00
$ 428.00
$ 344.00
$ 344.00 - $ 344.00
$ 344.00
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 %
$ 427.00
$ 427.00 - $ 427.00
$ 427.00
$ 342.00
$ 342.00 - $ 342.00
$ 342.00

Foster FS318HF, 3/8" Jiffy-Tite Mold Coolant Coupler x 90° 3/8" Hose Barb, FJT Series, Non-Valved (High Flow), Brass

Fast coolant-line connections that slash mold-change downtime. The Foster FS318HF is a brass 3/8" coupler from the FJT Series — the Jiffy-Tite mold...

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$ 427.00
$ 427.00 - $ 427.00
$ 427.00
$ 342.00
$ 342.00 - $ 342.00
$ 342.00
Save 20% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 18% Save %
$ 44.00
$ 44.00 - $ 44.00
$ 44.00
$ 36.00
$ 36.00 - $ 36.00
$ 36.00

Foster FP252S, 1/4" Jiffy-Tite Mold Coolant Nipple x 1/4" Hose Stem, FJT Series, Stainless

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP252S is a stainless 1/4" nipple from the FJT Series — the J...

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$ 44.00
$ 44.00 - $ 44.00
$ 44.00
$ 36.00
$ 36.00 - $ 36.00
$ 36.00
Save 18% Save %
Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass
Save 19% Save %
$ 252.00
$ 252.00 - $ 252.00
$ 252.00
$ 203.00
$ 203.00 - $ 203.00
$ 203.00

Foster FS300HF, 3/8" Jiffy-Tite Mold Coolant Coupler x 3/8" Hose Barb, FJT Series, Non-Valved (High Flow), Brass

Fast coolant-line connections that slash mold-change downtime. The Foster FS300HF is a brass 3/8" coupler from the FJT Series — the Jiffy-Tite mold...

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$ 252.00
$ 252.00 - $ 252.00
$ 252.00
$ 203.00
$ 203.00 - $ 203.00
$ 203.00
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 %
$ 265.00
$ 265.00 - $ 265.00
$ 265.00
$ 212.00
$ 212.00 - $ 212.00
$ 212.00

Foster FP352S, 3/8" Jiffy-Tite Mold Coolant Nipple x 3/8" Hose Stem, FJT Series, Stainless

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP352S is a stainless 3/8" nipple from the FJT Series — the J...

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$ 265.00
$ 265.00 - $ 265.00
$ 265.00
$ 212.00
$ 212.00 - $ 212.00
$ 212.00
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 %
$ 330.00
$ 330.00 - $ 330.00
$ 330.00
$ 263.00
$ 263.00 - $ 263.00
$ 263.00

Foster FS308HFP, 3/8" Jiffy-Tite Mold Coolant Coupler x 3/8" Hose Barb, FJT Series, Non-Valved (High Flow), Push-On, Brass

Fast coolant-line connections that slash mold-change downtime. The Foster FS308HFP is a brass 3/8" coupler from the FJT Series — the Jiffy-Tite mol...

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$ 330.00
$ 330.00 - $ 330.00
$ 330.00
$ 263.00
$ 263.00 - $ 263.00
$ 263.00
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 %
$ 321.00
$ 321.00 - $ 321.00
$ 321.00
$ 257.00
$ 257.00 - $ 257.00
$ 257.00

Foster FS308HF, 3/8" Jiffy-Tite Mold Coolant Coupler x 3/8" Hose Barb, FJT Series, Non-Valved (High Flow), Brass

Fast coolant-line connections that slash mold-change downtime. The Foster FS308HF is a brass 3/8" coupler from the FJT Series — the Jiffy-Tite mold...

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$ 321.00
$ 321.00 - $ 321.00
$ 321.00
$ 257.00
$ 257.00 - $ 257.00
$ 257.00
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 %
$ 420.00
$ 420.00 - $ 420.00
$ 420.00
$ 335.00
$ 335.00 - $ 335.00
$ 335.00

Foster FP554X4, 1/2" Jiffy-Tite Mold Coolant Nipple x 4" Thread, FJT Series, Steel

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP554X4 is a steel 1/2" nipple from the FJT Series — the Jiff...

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$ 420.00
$ 420.00 - $ 420.00
$ 420.00
$ 335.00
$ 335.00 - $ 335.00
$ 335.00
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 %
$ 365.00
$ 365.00 - $ 365.00
$ 365.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00

Foster FP554X2.5, 1/2" Jiffy-Tite Mold Coolant Nipple x 2.5" Thread, FJT Series, Steel

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP554X2.5 is a steel 1/2" nipple from the FJT Series — the Ji...

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$ 365.00
$ 365.00 - $ 365.00
$ 365.00
$ 291.00
$ 291.00 - $ 291.00
$ 291.00
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 %
$ 670.00
$ 670.00 - $ 670.00
$ 670.00
$ 536.00
$ 536.00 - $ 536.00
$ 536.00

Foster FP554X8.5, 1/2" Jiffy-Tite Mold Coolant Nipple x 8.5" Thread, FJT Series, Steel

Coolant line connections for plastic injection molds and die-casting dies. The Foster FP554X8.5 is a steel 1/2" nipple from the FJT Series — the Ji...

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$ 670.00
$ 670.00 - $ 670.00
$ 670.00
$ 536.00
$ 536.00 - $ 536.00
$ 536.00
Save 20% Save %

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