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Foster

Foster quick couplers set the standard in pneumatic and hydraulic connections. Part of the ZSI-Foster line, Foster couplers and plugs cover the full range of industrial interchanges and body sizes in steel, brass, and stainless construction. Built for reliable, repeatable connections in air and fluid systems. Shop the full Foster range below.

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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 %
$ 200.00
$ 200.00 - $ 200.00
$ 200.00
$ 160.00
$ 160.00 - $ 160.00
$ 160.00

Foster FSS316-6425-04-04, 1/4" ORB Female x 1/4" ORB Female, 316 Stainless

The Foster FSS316-6425-04-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/4" ORB Female x 1/4" ORB Female. Machined for leak-tight flu...

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$ 200.00
$ 200.00 - $ 200.00
$ 200.00
$ 160.00
$ 160.00 - $ 160.00
$ 160.00
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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 %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster FSS316-6425-08-08, 1/2" ORB Female x 1/2" ORB Female, 316 Stainless

The Foster FSS316-6425-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB Female x 1/2" ORB Female. Machined for leak-tight flu...

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$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 2,672.00
$ 2,672.00 - $ 2,672.00
$ 2,672.00
$ 2,138.00
$ 2,138.00 - $ 2,138.00
$ 2,138.00

Foster FSS316-6410-16-32, 1" ORB (1 5/16"-12 thread) Male x 2" ORB (2 1/2"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-32 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 2" ORB (2 1/2"-12 thread) Fe...

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$ 2,672.00
$ 2,672.00 - $ 2,672.00
$ 2,672.00
$ 2,138.00
$ 2,138.00 - $ 2,138.00
$ 2,138.00
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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 %
$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00

Foster FSS316-6410-16-20, 1" ORB (1 5/16"-12 thread) Male x 1 1/4" ORB (1-5/8"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-20 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1 1/4" ORB (1-5/8"-12 thread...

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$ 846.00
$ 846.00 - $ 846.00
$ 846.00
$ 677.00
$ 677.00 - $ 677.00
$ 677.00
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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 %
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00

Foster FSS316-6425-06-06, 3/8" ORB Female x 3/8" ORB Female, 316 Stainless

The Foster FSS316-6425-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB Female x 3/8" ORB Female. Machined for leak-tight flu...

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$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00
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 %
$ 625.00
$ 625.00 - $ 625.00
$ 625.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster FSS316-6410-12-16, 3/4" ORB (1 1/16"-12 thread) Male x 1" ORB (1 5/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-12-16 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1" ORB (1 5/16"-12 thread)...

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$ 625.00
$ 625.00 - $ 625.00
$ 625.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
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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 %
$ 625.00
$ 625.00 - $ 625.00
$ 625.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster FSS316-6410-16-08, 1" ORB (1 5/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-16-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) Fe...

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$ 625.00
$ 625.00 - $ 625.00
$ 625.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
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 %
$ 625.00
$ 625.00 - $ 625.00
$ 625.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00

Foster FSS316-6410-16-12, 1" ORB (1 5/16"-12 thread) Male x 3/4" ORB (1 1/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-16-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1" ORB (1 5/16"-12 thread) Male x 3/4" ORB (1 1/16"-12 thread)...

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$ 625.00
$ 625.00 - $ 625.00
$ 625.00
$ 500.00
$ 500.00 - $ 500.00
$ 500.00
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 %
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00

Foster FSS316-6410-12-08, 3/4" ORB (1 1/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-12-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1/2" ORB (3/4"-16 thread) ...

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$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00
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 %
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00

Foster FSS316-6410-12-10, 3/4" ORB (1 1/16"-12 thread) Male x 5/8" ORB (7/8"-14 thread) Female, 316 Stainless

The Foster FSS316-6410-12-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 5/8" ORB (7/8"-14 thread) ...

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$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00
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 %
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00

Foster FSS316-6410-12-06, 3/4" ORB (1 1/16"-12 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-12-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 3/8" ORB (9/16"-18 thread)...

View full details
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00
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 %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster FSS316-6410-10-08, 5/8" ORB (7/8"-14 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-10-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 1/2" ORB (3/4"-16 thread) Fem...

View full details
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster FSS316-6410-10-12, 5/8" ORB (7/8"-14 thread) Male x 3/4" ORB (1 1/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-10-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 3/4" ORB (1 1/16"-12 thread) ...

View full details
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00

Foster FSS316-6410-08-12, 1/2" ORB (3/4"-16 thread) Male x 3/4" ORB (1 1/16"-12 thread) Female, 316 Stainless

The Foster FSS316-6410-08-12 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 3/4" ORB (1 1/16"-12 thread) ...

View full details
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00
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 %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster FSS316-6410-10-06, 5/8" ORB (7/8"-14 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-10-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 3/8" ORB (9/16"-18 thread) Fe...

View full details
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00

Foster FSS316-6410-12-04, 3/4" ORB (1 1/16"-12 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-12-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/4" ORB (1 1/16"-12 thread) Male x 1/4" ORB (7/16"-20 thread)...

View full details
$ 402.00
$ 402.00 - $ 402.00
$ 402.00
$ 322.00
$ 322.00 - $ 322.00
$ 322.00
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 %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster FSS316-6410-08-10, 1/2" ORB (3/4"-16 thread) Male x 5/8" ORB (7/8"-14 thread) Female, 316 Stainless

The Foster FSS316-6410-08-10 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 5/8" ORB (7/8"-14 thread) Fem...

View full details
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00

Foster FSS316-6410-10-04, 5/8" ORB (7/8"-14 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-10-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 5/8" ORB (7/8"-14 thread) Male x 1/4" ORB (7/16"-20 thread) Fe...

View full details
$ 289.00
$ 289.00 - $ 289.00
$ 289.00
$ 232.00
$ 232.00 - $ 232.00
$ 232.00
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 %
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00

Foster FSS316-6410-08-08, 1/2" ORB (3/4"-16 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-08-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/2" ORB (3/4"-16 thread) Fem...

View full details
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00
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 %
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00

Foster FSS316-6410-08-06, 1/2" ORB (3/4"-16 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-08-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 3/8" ORB (9/16"-18 thread) Fe...

View full details
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00
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 %
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00

Foster FSS316-6410-06-08, 3/8" ORB (9/16"-18 thread) Male x 1/2" ORB (3/4"-16 thread) Female, 316 Stainless

The Foster FSS316-6410-06-08 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/2" ORB (3/4"-16 thread) Fe...

View full details
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00
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 %
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00

Foster FSS316-6410-08-04, 1/2" ORB (3/4"-16 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-08-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 1/2" ORB (3/4"-16 thread) Male x 1/4" ORB (7/16"-20 thread) Fe...

View full details
$ 246.00
$ 246.00 - $ 246.00
$ 246.00
$ 197.00
$ 197.00 - $ 197.00
$ 197.00
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 %
$ 178.00
$ 178.00 - $ 178.00
$ 178.00
$ 143.00
$ 143.00 - $ 143.00
$ 143.00

Foster FSS316-6410-06-06, 3/8" ORB (9/16"-18 thread) Male x 3/8" ORB (9/16"-18 thread) Female, 316 Stainless

The Foster FSS316-6410-06-06 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 3/8" ORB (9/16"-18 thread) F...

View full details
$ 178.00
$ 178.00 - $ 178.00
$ 178.00
$ 143.00
$ 143.00 - $ 143.00
$ 143.00
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 %
$ 178.00
$ 178.00 - $ 178.00
$ 178.00
$ 143.00
$ 143.00 - $ 143.00
$ 143.00

Foster FSS316-6410-06-04, 3/8" ORB (9/16"-18 thread) Male x 1/4" ORB (7/16"-20 thread) Female, 316 Stainless

The Foster FSS316-6410-06-04 is a 316 stainless steel SAE O-Ring Boss (ORB) fitting: 3/8" ORB (9/16"-18 thread) Male x 1/4" ORB (7/16"-20 thread) F...

View full details
$ 178.00
$ 178.00 - $ 178.00
$ 178.00
$ 143.00
$ 143.00 - $ 143.00
$ 143.00
Save 20% Save %

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