How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Measuring Hose and Tube Clamps
What's the best way to determine the clamp size you'll need? Simply measure the outside diameter of your hose with the fitting installed. Some clamps accommodate a range of sizes, so be sure the size you need falls in the middle of that range.
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Hose and Tube Clamp Pliers
Install hose and tube clamps with these specially designed pliers.
Pinch clamp pliers crimp pinch clamps closed on hose and tube. Those with straight jaws must be used perpendicular to the hose. Pliers with straight and side jaws are good for tight spaces because you can use them parallel or perpendicular to your hose. Pliers with a center handle reduce the fully open grip span. They also have a higher closing force than other pliers, so they require less strength to crimp pinch clamps closed.
Spring clamp pliers install and remove spring-tension hose clamps. Pliers with adjustable tips accommodate different sized flat-band hose clamps.
Spring-band clamp pliers have jaws specially designed to grip spring-band clamps which are often found on heater and radiator hose. Pliers with flat jaws have a cross-cut tip design to grip most hose clamps from multiple angles. Pliers with a 35° head angle are good for low-clearance spaces. Pliers with a flexible cable allow access to hose and tube clamps that are difficult to reach.
Cushion grip pliers have plastic grips for comfort. Ultra grip pliers have a grip made of hard and soft materials for comfort and slip resistance. They are shaped to fit comfortably in your hand and reduce strain from repetitive tasks.
Jaw | |||||||
|---|---|---|---|---|---|---|---|
| Overall Length | Grip Style | Opening Style | Texture | Tip Type | Material | Each | |
Pinch Clamp Pliers—Straight Jaw | |||||||
| 9" | Cushion | Manual | Smooth | Fixed | Steel | 0000000 | 000000 |
| 9 1/8" | Ultra Grip | Manual | Smooth | Fixed | Steel | 0000000 | 00000 |
Pinch Clamp Pliers—Straight and Side Jaw | |||||||
| 9" | Cushion | Manual | Smooth | Fixed | Steel | 0000000 | 00000 |
Pinch Clamp Pliers—Straight Jaw and Center Handle | |||||||
| 12" | Cushion | Manual | Smooth | Fixed | Steel | 0000000 | 000000 |
Spring Clamp Pliers—Curved Jaw | |||||||
| 8" | Cushion | Manual | Smooth | Fixed | Steel | 0000000 | 00000 |
Spring Clamp Pliers—Flat Jaw | |||||||
| 13" | Cushion | Manual | Smooth | Adjustable | Steel | 0000000 | 00000 |
Spring-Band Clamp Pliers—Flat Jaw | |||||||
| 11 3/4" | Cushion | Spring Assisted | Serrated | Fixed | Steel | 0000000 | 00000 |
Spring-Band Clamp Pliers—Flat Jaw and 35° Head Angle | |||||||
| 17" | Cushion | Spring Assisted | Serrated | Fixed | Steel | 0000000 | 00000 |
Spring-Band Clamp Pliers—Straight Jaw and 24" Flexible Cable | |||||||
| 33" | Plain | Spring Assisted | Smooth | Fixed | Steel | 0000000 | 00000 |
Heavy Duty Installation Tools for Low-Profile Band Clamps for Firm Hose
With the most leverage of any of our installation tools, this tool has a ball handle that makes it easier to ratchet.
Use to tighten Low-Profile Band Clamps for Firm Hose, then break off the excess banding.
Medium Duty Installation Tools for Low-Profile Band Clamps for Firm Hose
This tool is longer than the light duty tool for increased leverage.
Use to tighten Low-Profile Band Clamps for Firm Hose, then break off the excess banding.
| For Band Wd. | Lg. | Ht. | Wd. | Material | Handle Type | Each | |
| 3/8", 5/8" | 11" | 1 1/2" | 1 1/2" | Steel | Ratchet | 0000000 | 0000000 |
Light Duty Installation Tools for Low-Profile Band Clamps for Firm Hose
Use to tighten Low-Profile Band Clamps for Firm Hose, then break off the excess banding. Tool has a punch lever on each end.
| For Band Wd. | Lg. | Ht. | Wd. | Material | Handle Type | Each | |
| 3/8", 5/8" | 10" | 1" | 2" | Steel | Ratchet | 0000000 | 000000 |
Vise-Mount Installation Tools for Build-Your-Own
Low-Profile Band Clamps for Firm Hose
Use with banding and buckles to build your own low-profile band clamps.
| For Band Wd. | Lg. | Pull Strength, psi | Material | Each | |
| 3/4", 1", 1 1/4" | 16 1/2" | 6,000 | Zinc-Plated Steel | 0000000 | 0000000 |
Ratchet-Handle Installation Tools for Build-Your-Own
Low-Profile Band Clamps for Firm Hose
Use with banding and buckles to build your own low-profile band clamps. Tool has a ratchet-action handle to tighten the band.
Handle | ||||||
|---|---|---|---|---|---|---|
| For Band Wd. | Lg. | Material | Finish | Type | Each | |
| 1/4", 3/8" | 8" | Zinc-Plated Steel | Vinyl Coated | Ratchet | 000000 | 0000000 |
Wing-Handle Installation Tools for Build-Your-Own
Low-Profile Band Clamps for Firm Hose
Tool comes with a built-in cutter and a tension wing handle, as well as a tension nut that can be used instead of the handle in confined spaces. Use with banding and buckles to build your own low-profile band clamps.
You can also use this tool to install our Extra-Strength Low-Profile Band Clamps for Firm Hose—just fit a cutting adapter (sold separately) over the tool. The press-cut adapter cuts the banding when you press down the handle. The screw-cut adapter cuts the banding when you turn a screw with the included ratchet handle.
Wing-Handle Installation Tools for Extra-Strength
Low-Profile Band Clamps for Firm Hose
Use to install Extra-Strength Low-Profile Band Clamps for Firm Hose.
Lever-Operated Crimpers with Dies
Crimpers are furnished with five removable dies that crimp air and water hose. Place your hose, ferrule, and barbed fitting into a die that's inserted in the crimper. Press the lever to crimp the fitting onto the hose. Fasteners not included. Hose OD compatibility is measured without the fittings installed.
Individual dies (sold separately) allow you to crimp sizes of air and water hose from 0.385" to 0.843" OD.
Lever-Operated Crimpers
Place your hose, ferrule, and barbed fitting into a die that's inserted in the crimper. Press the lever to crimp the fitting onto the hose. Use with aluminum or brass ferrules. Fasteners not included.
Individual dies (sold separately) allow you to crimp large sizes of air and water hose from 3/4" to 1 3/8" OD (measured without the fittings installed).
Mounting Holes | ||||||||
|---|---|---|---|---|---|---|---|---|
| For Use With | For Hose OD | Lg. | Base Material | Handle Material | Number of | Dia. | Each | |
| Air Hose, Water Hose | 3/4" to 1 3/8" | 12" | Iron | Zinc-Plated Steel | 2 | 1/8" | 000000 | 0000000 |
| Dies for 0.906" Hose OD | 0000000 | Each | 000000 |
| Dies for 0.813" Hose OD | 0000000 | Each | 00000 |
| Dies for 3/4" Hose OD | 0000000 | Each | 00000 |
| Dies for 1" Hose OD | 0000000 | Each | 00000 |
| Dies for 1 3/8" Hose OD | 0000000 | Each | 00000 |
| Dies for 7/8" Hose OD | 0000000 | Each | 00000 |
| Dies for 0.969" Hose OD | 0000000 | Each | 00000 |
| Dies for 0.938" Hose OD | 0000000 | Each | 00000 |
| Dies for 0.781" Hose OD | 0000000 | Each | 00000 |
| Dies for 1 1/8" Hose OD | 0000000 | Each | 00000 |
Hose-Crimping Pliers
As you squeeze the handles, the vise-like jaws lock tightly onto the ferrule to secure barbed fittings onto your hose. To select the correct pliers, measure the hose OD and select the next larger size "For Hose OD" below.
For technical drawings and 3-D models, click on a part number.
Hammer-Operated Crimpers
Use a hammer strike or a vise to crimp ferrules onto your hose and secure barbed hose fittings.
For technical drawings and 3-D models, click on a part number.
| For Use With | For Hose OD | Lg. | Wd. | Material | Number of Jaw Holes | Each | |
| Air Hose, Water Hose | 7/16", 9/16", 11/16" | 9 1/8" | 1" | Steel | 3 | 0000000 | 000000 |
Hose and Tube Clamp Cutters
Slice through pinch clamps to remove them from hose. Place the jaw tips of these cutters on each side of the pinch point and squeeze the handles to cut through your clamp.
For technical drawings and 3-D models, click on a part number.
For Max. Band | Jaw | |||||||
|---|---|---|---|---|---|---|---|---|
| Wd. | Thick. | Overall Lg. | Grip Style | Style | Opening Style | Material | Each | |
For Use On Steel, Stainless Steel | ||||||||
| 11/32" | 0.031" | 8 3/4" | Cushion | Straight | Manual | Steel | 00000000 | 000000 |
Hose Crimping Tool and Fitting Sets for Compressed Gas
Sets contain a crimping tool and a variety of fittings, nuts, and ferrules so you can connect pressure regulators, torches, and other components of your welding system. Fittings are also known as CGA (Compressed Gas Association) fittings. They are brass for good corrosion resistance.
Barbed adapters let you adapt to a threaded end so you can connect welding hose to pressure regulators or torches. They consist of a barbed shaft with a rounded end that sits inside a threaded nut so you can make a threaded hose connection.
Barbed connectors are also known as hose menders and splicers. Use them to connect lengths of hose or to repair damaged hose. Slide the barbed end into welding hose and use a hose ferrule and the crimping tool to secure the fitting to hose.
Threaded connectors let you attach threaded welding hose to pressure regulators and torches.
Fittings with left-hand threads are identified with a notch in the nut.
Note: Fittings have a CGA number that corresponds to a specific type of gas. Choose a fitting with the same CGA number as your tank and other system components.
| For Hose ID | No. of Pieces | Includes | Max. Pressure | For Use With | Each | |
Brass | ||||||
|---|---|---|---|---|---|---|
| 3/16", 1/4" | 93 | Crimping Tool Eight barbed hose adapters for 3/16" hose ID (use with A-size nuts) Six barbed hose adapters for 3/16" hose ID (use with B-size nuts) Ten barbed hose adapters for 1/4" hose ID (use with B-size nuts) Two barbed hose connectors for 3/16" hose ID Four barbed hose connectors for 1/4" hose ID One A-size 3/8"-24 male right-hand threaded connector (CGA-020) One A-size 3/8"-24 male left-hand threaded connector (CGA-021) One B-size 9/16"-18 male right-hand threaded connector (CGA-022) One B-size 9/16"-18 male left-hand threaded connector (CGA-023) Four A-size 3/8"-24 right-hand threaded nuts (CGA-020) Four A-size 3/8"-24 left-hand threaded nuts (CGA-021) Eight B-size 9/16"-18 female right-hand threaded nuts (CGA-022) Eight B-size 9/16"-18 female left-hand threaded nuts (CGA-023) Twelve ferrules with 0.45" hose end ID Ten ferrules with 0.562" hose end ID Twelve ferrules with 0.593" hose end ID | 200 psi @ 72° F | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 0000000 | 0000000 |
| 5/16", 3/8" | 71 | Crimping Tool Eight barbed hose adapters for 5/16" hose ID (use with B-size nuts) Eight barbed hose adapters for 3/8" hose ID (use with B-size nuts) Two barbed hose connectors for 5/16" hose ID Two barbed hose connectors for 3/8" hose ID One B-size 9/16"-18 male right-hand threaded connector (CGA-022) One B-size 9/16"-18 male left-hand threaded connector (CGA-023) Eight B-size 9/16"-18 female right-hand threaded nuts (CGA-022) Eight B-size 9/16"-18 female left-hand threaded nuts (CGA-023) Eight ferrules with 0.625" hose end ID Eight ferrules with 0.656" hose end ID Six ferrules with 0.687" hose end ID Eight ferrules with 0.718" hose end ID | 200 psi @ 72° F | Acetylene, Butane, Fuel Gases, LP Gas, Natural Gas, Oxygen, Propane | 0000000 | 000000 |
Crimping Tools for Hydraulic Hose Fittings
Permanently seal a crimp-on fitting onto your hydraulic hose to create a leak-tight connection. Bring these crimpers with you to put together hose assemblies on the spot—no need to lug hoses back to your shop. Made in the U.S., these tools are compatible with a wide range of Parker hoses and fittings. Slide your hydraulic hose fully into the crimp-on fitting and use these tools to crimp the connection.
Manual crimping tools are powered by a hand pump. Insert your hose and fitting and manually pump until the die ring touches the base plate.
Air-powered crimping tools don’t require any pumping but do require a compressed air line. Insert your hose and fitting and pull the activation lever until the die ring touches the base plate.
Dies are required to crimp. Choose one that matches your hose diameter and hose fitting series. They’re color coded, so they’re easy to tell apart.
| For Hose Fitting Manufacturer Series | For Hose Manufacturer Series | For Maximum Hose ID | Lg. | Wd. | Dp. | Handle Lg. | Manufacturer Model No. | Features | Each | |
| Parker 43 Parker 43 Parker 43 Parker 43 Parker 56 Parker 56 | Parker 302 Parker 422 Parker 487 Parker 777 Parker 510D Parker 518D | 1" 1" 3/4" 5/8" 1" 1" | 15" | 13" | 6" | 23" | 94C-001-PFD | Carrying Handle | 0000000 | 000000000 |
Air Inlet | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Hose Fitting Manufacturer Series | For Hose Manufacturer Series | For Maximum Hose ID | Lg. | Wd. | Dp. | Flared Angle | Thread Size  | Thread Type | Gender | Manufacturer Model No. | Features | Each | |
| Parker 43 Parker 43 Parker 43 Parker 43 Parker 56 Parker 56 | Parker 302 Parker 422 Parker 487 Parker 777 Parker 510D Parker 518D | 1" 1" 3/4" 5/8" 1" 1" | 15" | 12" | 6" | 37° | 9/16"-18 | UN/UNF (JIC) | Male | 94C-002-PFD | Carrying Handle | 0000000 | 000000000 |
For Parker 43 Series Fittings | For Parker 56 Series Fittings | ||||||
|---|---|---|---|---|---|---|---|
| For Hose ID | For Dash Size | Material | Color | Each | Each | ||
| 1/8" | 02 | Steel | Brown | 000000 | 00 | 0000000 | 0000000 |
| 1/4" | 04 | Steel | Red | 0000000 | 0000000 | 0000000 | 000000 |
| 3/8" | 06 | Steel | Yellow | 0000000 | 000000 | 0000000 | 000000 |
| 1/2" | 08 | Steel | Blue | 0000000 | 000000 | 0000000 | 000000 |
| 5/8" | 10 | Steel | Orange | 0000000 | 000000 | 0000000 | 000000 |
| 3/4" | 12 | Steel | Green | 0000000 | 000000 | 0000000 | 000000 |
| 1" | 16 | Steel | Black | 0000000 | 000000 | 0000000 | 000000 |
Hose and Tube Pinch-Off Pliers
Cushion Grip,
Quick-Release Handle
Clamp down on nonreinforced hose and tube to squeeze it shut, eliminating the need to drain the hose when working on pumps, heating and cooling systems, and fuel lines.
Cushion-grip pliers have plastic grips for comfort. Squeeze the handles and the jaws automatically adjust to fit a workpiece and lock in place. Turn the screw on plain-grip pliers to adjust the pressure and squeeze the handles to lock them.
Pliers with lever release open when you press the lever. Pliers with quick release are easier to open with one hand than lever release—push the handles open with your fingers.
Pliers with a head angle give you access to low-clearance spaces.
Jaw | |||||||
|---|---|---|---|---|---|---|---|
| Overall Lg. | For OD | Lg. | Texture | Head Angle | Material | Each | |
Flat Jaws and Cushion Grip | |||||||
Lever Release | |||||||
| 9 3/4" | 1"-1 1/2" | 2 1/2" | Smooth | __ | Steel | 0000000 | 000000 |
Quick Release | |||||||
| 5 1/2" | 1/8"-3/4" | 1 3/8" | Smooth | __ | Steel | 0000000 | 00000 |
| 6" | 0"-3/4" | 1 7/16" | Smooth | 20° | Steel | 00000000 | 00000 |
| 9 1/4" | 0"-1 1/4" | 2 1/4" | Smooth | __ | Steel | 0000000 | 00000 |
| 9 3/4" | 0"-1 1/4" | 2 1/2" | Smooth | 20° | Steel | 00000000 | 00000 |
| 13" | 0"-2 1/2" | 4 1/4" | Smooth | 20° | Steel | 00000000 | 00000 |
| 14" | 3/4"-2 1/2" | 4 3/8" | Smooth | __ | Steel | 0000000 | 00000 |
Flat Jaws and Plain Grip | |||||||
Lever Release | |||||||
| 7" | 0"-1 3/8" | 1" | Smooth | __ | Steel | 0000000 | 00000 |
Hose and Tube Gripping Pliers
Grip hose and tubing for installation and removal without damage.
Pliers with curved jaws are shaped to firmly grip hose and tubing.
Pliers with double jaws remove hose and tubing from a fitting. While one jaw grips the hose and tubing, the other pushes the hose and tubing back from the fitting to remove it.
Cushion grip pliers have plastic grips for comfort.
Ultra grip pliers have grips made of hard and soft materials for comfort and slip resistance. They are shaped to fit comfortably in your hand and reduce strain from repetitive tasks.
Jaw | |||||||
|---|---|---|---|---|---|---|---|
| Overall Lg. | For OD | Lg. | Bend | Texture | Material | Each | |
Curved Jaws and Cushion Grip | |||||||
| 11" | 15/64" to 1/4" | 2 1/2" | 45° | Serrated | Steel | 0000000 | 000000 |
| 11" | 19/64" to 21/64" | 2 7/16" | 45° | Serrated | Steel | 0000000 | 00000 |
| 11" | 13/32" to 19/32" | 2 1/4" | 45° | Serrated | Steel | 0000000 | 00000 |
| 11" | 21/32" to 27/32" | 2 1/4" | 45° | Serrated | Steel | 0000000 | 00000 |
Curved Jaws and Ultra Grip | |||||||
| 8" | 1/2" to 2 7/8" | 2 11/16" | 30° | Serrated | Steel | 0000000 | 00000 |
Double Jaws and Plain Grip | |||||||
| 8" | 5/32" to 1/2" | 3" | __ | Serrated | Steel | 0000000 | 00000 |