(906) 486-4489 | Contact Us

Catalogs Order History & Status Invoices

Account Register OR Sign in

Welcome Back!

×

Something went wrong, please try again or contact us at [email protected]

Username

Password

Remember Me

Register for an Account Forgot password?

Shop by Category

Abrasives & Sanding
Adhesives, Tapes & Sealants
Chemicals
Cutting Tools & Metalworking
Electrical, Lighting & Power
Fasteners
Fleet & Vehicle Maintenance
Hand Tools
Hardware
Hose & Fittings
Janitorial & Office Supplies
Lifting & Rigging
Lubricants, Coolants & Fluids
Material Handling
Paints & Coatings
Power Tools & Equipment
Power Transmission
Raw Materials
Safety & Security
Testing & Measuring
Uncategorized Items
- Let's Make a Deal
Welding

Resources
About Us
Services
Forms
- Enerpac Repair Request
- Site Visit Request

Quick Order

PART #

QUANTITY

Add more rows Add to Cart

Sign In
Register for an Account
Shop by Category

Abrasives & Sanding
Adhesives, Tapes & Sealants
Chemicals
Cutting Tools & Metalworking
Electrical, Lighting & Power
Fasteners
Fleet & Vehicle Maintenance
Hand Tools
Hardware
Hose & Fittings
Janitorial & Office Supplies
Lifting & Rigging
Lubricants, Coolants & Fluids
Material Handling
Paints & Coatings
Power Tools & Equipment
Power Transmission
Raw Materials
Safety & Security
Testing & Measuring
Uncategorized Items
Welding

Resources
About Us
Services
Forms
- Enerpac Repair Request
- Site Visit Request
Quick Order

Home Hose & Fittings Iron & Steel Pipe Fittings Pipe Couplings

Pipe Couplings

Filters

In Stock

Yes

Warehouse

All

OK Industrial Supply, inc

Pressure Class

150 lb (61)

300 lb (30)

Finish

Galvanized (9)

Plain / Black Oxide (87)

Stainless (17)

Nominal Size

3 x 1-1/2 in (1)

3/8 x 1/8 in (1)

2 x 3/4 in (1)

2 x 1-1/4 in (1)

2-1/2 in (1)

1 x 3/8 in (1)

1/2 x 1/8 in (1)

1-1/4 x 1/2 in (1)

1-1/2 x 1/2 in (1)

3 in (2)

1 x 1/4 in (2)

1 x 1-1/2 in (2)

1/4 x 1/8 in (2)

1-1/4 x 1 in (2)

1-1/2 x 1 in (2)

1-1/2 x 1-1/4 in (2)

3/8 x 1/4 in (3)

3/4 x 3/8 in (3)

2 x 1 in (3)

1 x 3/4 in (3)

1-1/4 x 3/4 in (3)

1-1/2 x 3/4 in (3)

1-1/2 in (3)

3/4 x 1/2 in (4)

2 x 1-1/2 in (4)

1/2 x 3/8 in (4)

1-1/4 in (4)

3/8 in (5)

1/2 x 1/4 in (5)

1/2 in (5)

3/4 in (6)

1 in (7)

1/8 in (7)

1/4 in (7)

2 in (8)

4 x 3 in (1)

4 in (1)

3 x 2-1/2 in (1)

#3 x #2 (1)

#6 x #4 (1)

More Less

Brands

Unbranded (114)

114 Results

List Grid Catalog

Part PIP12CBLI

0

1/2 Merchant Coupling, Black Steel, Schedule 40 150lb

Calculating price...

Part PIP12CMIBI

0

1/2 Pipe Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP14CBLI

0

1/4 Merchant Coupling, Black Steel, Schedule 40 150lb

Calculating price...

Part PIP18CBLI

0

1/8 Merchant Coupling, Black Steel, Schedule 40 150lb

Calculating price...

Part PIP1CBLI

0

1 Merchant Coupling, Black Steel, Schedule 40 150lb

Calculating price...

Part PIP1X34CMIBI

0

1 x 3/4 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP34CBLI

0

3/4 Merchant Coupling, Black Steel, Schedule 40 150lb

Calculating price...

Part PIP34X12CMIBI

0

3/4 x 1/2 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP34XCBLD

0

3/4 Pipe Coupling, Black Malleable Iron, Schedule 80 300lb

Calculating price...

Part PIP38CBLI

0

3/8 Merchant Coupling, Black Steel

Calculating price...

Part PIP112CMIBI

0

1-1/2 Pipe Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP114CBLI

0

1-1/4 Merchant Coupling, Black Steel, Schedule 40 150lb

Calculating price...

Part PIP114CMIBI

0

1-1/4 Pipe Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP114XCBLD

0

1-1/4 Pipe Coupling, Black Malleable Iron, Schedule 80 300lb

Calculating price...

Part PIP12X14CMIBI

0

1/2 x 1/4 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP12X38CMIBI

0

1/2 x 3/8 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP12XCBLD

0

1/2 Pipe Coupling, Black Malleable Iron, Schedule 80 300lb

Calculating price...

Part PIP14CMIBI

0

1/4 Pipe Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP1X12CMIBI

0

1 x 1/2 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP2X1CMIBI

0

2 x 1 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP34X12XCMIBD

0

3/4 x 1/2 Reducing Coupling, Black Malleable Iron, Schedule 80 300lb

Calculating price...

Part PIP34X14CMIBI

0

3/4 x 1/4 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

Part PIP38CMIBI

0

3/8 Pipe Coupling, Black Malleable Iron

Calculating price...

Part PIP38X14CMIBI

0

3/8 x 1/4 Reducing Coupling, Black Malleable Iron, Schedule 40 150lb

Calculating price...

out of 5

Recently Viewed Products

605 Elm St
Ishpeming, MI 49849

Top Categories

Abrasives & Sanding Fasteners Hose & Fittings Safety & Security

Company

Locations Contact Us Terms of Use Privacy Policy

Resources

Enerpac Repair Services Frequently Asked Questions Return Policy Shipping & Delivery Terms

©2026 O.K. Industrial Supply All rights reserved.