Skip to content
☀️ Take an Additional 10% Off Your Entire Order with code PROGRADE10 at checkout.
☀️ Additional 10% Off • PROGRADE10

Best Sellers

Our most popular couplers, hose, clamps, and irrigation parts. Updated automatically based on what customers actually buy.

Filters

Foster BLH1B, 1/8" ISO-B Hydraulic Coupler x 1/8" Female NPT, ISO-B Series, Ball Lock, Brass Save 20% Save %
$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 575.00
$ 575.00 - $ 575.00
$ 575.00

Foster K6S-102, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Neoprene Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S-102 is a steel 3/4" plug in the FHK S...

View full details
$ 717.00
$ 717.00 - $ 717.00
$ 717.00
$ 575.00
$ 575.00 - $ 575.00
$ 575.00
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 %
$ 731.00
$ 731.00 - $ 731.00
$ 731.00
$ 585.00
$ 585.00 - $ 585.00
$ 585.00

Foster K6S-101, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S-101 is a steel 3/4" plug in the FHK S...

View full details
$ 731.00
$ 731.00 - $ 731.00
$ 731.00
$ 585.00
$ 585.00 - $ 585.00
$ 585.00
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 %
$ 1,942.00
$ 1,942.00 - $ 1,942.00
$ 1,942.00
$ 1,553.00
$ 1,553.00 - $ 1,553.00
$ 1,553.00

Foster K6S/SLV, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Less Valve, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S/SLV is a 303 stainless 3/4" plug in t...

View full details
$ 1,942.00
$ 1,942.00 - $ 1,942.00
$ 1,942.00
$ 1,553.00
$ 1,553.00 - $ 1,553.00
$ 1,553.00
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 %
$ 2,070.00
$ 2,070.00 - $ 2,070.00
$ 2,070.00
$ 1,657.00
$ 1,657.00 - $ 1,657.00
$ 1,657.00

Foster K6S/S-103, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S/S-103 is a 303 stainless 3/4" plug in...

View full details
$ 2,070.00
$ 2,070.00 - $ 2,070.00
$ 2,070.00
$ 1,657.00
$ 1,657.00 - $ 1,657.00
$ 1,657.00
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 %
$ 2,043.00
$ 2,043.00 - $ 2,043.00
$ 2,043.00
$ 1,634.00
$ 1,634.00 - $ 1,634.00
$ 1,634.00

Foster K6S/S-101, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S/S-101 is a 303 stainless 3/4" plug in...

View full details
$ 2,043.00
$ 2,043.00 - $ 2,043.00
$ 2,043.00
$ 1,634.00
$ 1,634.00 - $ 1,634.00
$ 1,634.00
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 %
$ 1,905.00
$ 1,905.00 - $ 1,905.00
$ 1,905.00
$ 1,524.00
$ 1,524.00 - $ 1,524.00
$ 1,524.00

Foster K6S/S, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S/S is a 303 stainless 3/4" plug in the...

View full details
$ 1,905.00
$ 1,905.00 - $ 1,905.00
$ 1,905.00
$ 1,524.00
$ 1,524.00 - $ 1,524.00
$ 1,524.00
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 %
$ 665.00
$ 665.00 - $ 665.00
$ 665.00
$ 532.00
$ 532.00 - $ 532.00
$ 532.00

Foster K6S, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6S is a steel 3/4" plug in the FHK Serie...

View full details
$ 665.00
$ 665.00 - $ 665.00
$ 665.00
$ 532.00
$ 532.00 - $ 532.00
$ 532.00
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 %
$ 877.00
$ 877.00 - $ 877.00
$ 877.00
$ 701.00
$ 701.00 - $ 701.00
$ 701.00

Foster K6B-103, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6B-103 is a brass 3/4" plug in the FHK S...

View full details
$ 877.00
$ 877.00 - $ 877.00
$ 877.00
$ 701.00
$ 701.00 - $ 701.00
$ 701.00
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 %
$ 927.00
$ 927.00 - $ 927.00
$ 927.00
$ 742.00
$ 742.00 - $ 742.00
$ 742.00

Foster K6B-101, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6B-101 is a brass 3/4" plug in the FHK S...

View full details
$ 927.00
$ 927.00 - $ 927.00
$ 927.00
$ 742.00
$ 742.00 - $ 742.00
$ 742.00
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 %
$ 720.00
$ 720.00 - $ 720.00
$ 720.00
$ 576.00
$ 576.00 - $ 576.00
$ 576.00

Foster K6B, 3/4" ISO-B Hydraulic Plug x 3/4" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K6B is a brass 3/4" plug in the FHK Serie...

View full details
$ 720.00
$ 720.00 - $ 720.00
$ 720.00
$ 576.00
$ 576.00 - $ 576.00
$ 576.00
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 %
$ 383.00
$ 383.00 - $ 383.00
$ 383.00
$ 306.00
$ 306.00 - $ 306.00
$ 306.00

Foster K4SLV, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Less Valve, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4SLV is a steel 1/2" plug in the FHK Ser...

View full details
$ 383.00
$ 383.00 - $ 383.00
$ 383.00
$ 306.00
$ 306.00 - $ 306.00
$ 306.00
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 %
$ 459.00
$ 459.00 - $ 459.00
$ 459.00
$ 367.00
$ 367.00 - $ 367.00
$ 367.00

Foster K4S-103, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, EPDM Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S-103 is a steel 1/2" plug in the FHK S...

View full details
$ 459.00
$ 459.00 - $ 459.00
$ 459.00
$ 367.00
$ 367.00 - $ 367.00
$ 367.00
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 %
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 383.00
$ 383.00 - $ 383.00
$ 383.00

Foster K4S-101, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Viton Seal, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S-101 is a steel 1/2" plug in the FHK S...

View full details
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
$ 383.00
$ 383.00 - $ 383.00
$ 383.00
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 %
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 441.00
$ 441.00 - $ 441.00
$ 441.00

Foster K4S10, 1/2" ISO-B Hydraulic Plug x 7/8"-14 SAE, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S10 is a steel 1/2" plug in the FHK Ser...

View full details
$ 552.00
$ 552.00 - $ 552.00
$ 552.00
$ 441.00
$ 441.00 - $ 441.00
$ 441.00
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 %
$ 1,289.00
$ 1,289.00 - $ 1,289.00
$ 1,289.00
$ 1,032.00
$ 1,032.00 - $ 1,032.00
$ 1,032.00

Foster K4S/SLV, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Less Valve, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S/SLV is a 303 stainless 1/2" plug in t...

View full details
$ 1,289.00
$ 1,289.00 - $ 1,289.00
$ 1,289.00
$ 1,032.00
$ 1,032.00 - $ 1,032.00
$ 1,032.00
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 %
$ 1,385.00
$ 1,385.00 - $ 1,385.00
$ 1,385.00
$ 1,108.00
$ 1,108.00 - $ 1,108.00
$ 1,108.00

Foster K4S/S-103, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, EPDM Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S/S-103 is a 303 stainless 1/2" plug in...

View full details
$ 1,385.00
$ 1,385.00 - $ 1,385.00
$ 1,385.00
$ 1,108.00
$ 1,108.00 - $ 1,108.00
$ 1,108.00
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 %
$ 1,368.00
$ 1,368.00 - $ 1,368.00
$ 1,368.00
$ 1,094.00
$ 1,094.00 - $ 1,094.00
$ 1,094.00

Foster K4S/S-101, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Viton Seal, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S/S-101 is a 303 stainless 1/2" plug in...

View full details
$ 1,368.00
$ 1,368.00 - $ 1,368.00
$ 1,368.00
$ 1,094.00
$ 1,094.00 - $ 1,094.00
$ 1,094.00
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 %
$ 1,265.00
$ 1,265.00 - $ 1,265.00
$ 1,265.00
$ 1,012.00
$ 1,012.00 - $ 1,012.00
$ 1,012.00

Foster K4S/S, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, 303 Stainless Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S/S is a 303 stainless 1/2" plug in the...

View full details
$ 1,265.00
$ 1,265.00 - $ 1,265.00
$ 1,265.00
$ 1,012.00
$ 1,012.00 - $ 1,012.00
$ 1,012.00
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 %
$ 383.00
$ 383.00 - $ 383.00
$ 383.00
$ 306.00
$ 306.00 - $ 306.00
$ 306.00

Foster K4S, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Plated Steel

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4S is a steel 1/2" plug in the FHK Serie...

View full details
$ 383.00
$ 383.00 - $ 383.00
$ 383.00
$ 306.00
$ 306.00 - $ 306.00
$ 306.00
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 %
$ 493.00
$ 493.00 - $ 493.00
$ 493.00
$ 395.00
$ 395.00 - $ 395.00
$ 395.00

Foster K4BLV, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Less Valve, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4BLV is a brass 1/2" plug in the FHK Ser...

View full details
$ 493.00
$ 493.00 - $ 493.00
$ 493.00
$ 395.00
$ 395.00 - $ 395.00
$ 395.00
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 %
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 459.00
$ 459.00 - $ 459.00
$ 459.00

Foster K4B-103, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, EPDM Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4B-103 is a brass 1/2" plug in the FHK S...

View full details
$ 573.00
$ 573.00 - $ 573.00
$ 573.00
$ 459.00
$ 459.00 - $ 459.00
$ 459.00
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 %
$ 594.00
$ 594.00 - $ 594.00
$ 594.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00

Foster K4B-102, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Neoprene Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4B-102 is a brass 1/2" plug in the FHK S...

View full details
$ 594.00
$ 594.00 - $ 594.00
$ 594.00
$ 477.00
$ 477.00 - $ 477.00
$ 477.00
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 %
$ 610.00
$ 610.00 - $ 610.00
$ 610.00
$ 489.00
$ 489.00 - $ 489.00
$ 489.00

Foster K4B-101, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Viton Seal, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4B-101 is a brass 1/2" plug in the FHK S...

View full details
$ 610.00
$ 610.00 - $ 610.00
$ 610.00
$ 489.00
$ 489.00 - $ 489.00
$ 489.00
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 %
$ 475.00
$ 475.00 - $ 475.00
$ 475.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00

Foster K4B, 1/2" ISO-B Hydraulic Plug x 1/2" Female NPT, ISO-B Series, Brass

The most widely used industrial hydraulic quick coupling, compatible with ISO 7241-1 Series B. The Foster K4B is a brass 1/2" plug in the FHK Serie...

View full details
$ 475.00
$ 475.00 - $ 475.00
$ 475.00
$ 381.00
$ 381.00 - $ 381.00
$ 381.00
Save 20% Save %

Request a Quote

Bulk and dealer pricing. Tell us what you need and we’ll reply within one business day.