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System of Measurement System of Measurement |
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Connection Style Connection Style |
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| Socket Connect |
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| Quick Disconnect |
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| Flanged |
Length Length |
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For Use With For Use With | Show |
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For Use With For Use With | Hide |
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For Pipe Material For Pipe Material |
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Maximum Pressure Maximum Pressure |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Socket Connect Type Socket Connect Type |
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 | Press |
O-Ring Material O-Ring Material |
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Compatible With Compatible With |
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Flow Control Flow Control |
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 | With Shut-Off |
Finish Finish |
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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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Low-Pressure Press-Connect Stainless
Steel Unthreaded Pipe Fittings
- For Use With:
304 Stainless Steel: Air, Ethylene Glycol, Propylene Glycol, Water, Diesel Fuel, Fuel Oil
316 Stainless Steel: Drinking Water, Isopropyl Alcohol, Nitric Acid (10%), Phosphoric Acid (25%), Deionized Water, Anhydrous Ammonia - Maximum Pressure:
304 Stainless Steel: 125 psi @ 72° F
316 Stainless Steel: 200 psi @ 72° F - Specifications Met:
304 Stainless Steel: ASME B31.1, ASME B31.3, ASME B31.9, Uniform Mechanical Code, Uniform Plumbing Code
316 Stainless Steel: ASME B31.1, ASME B31.3, ASME B31.9, NSF/ANSI 61, NSF/ANSI 372, Uniform Mechanical Code, Uniform Plumbing Code - O-Ring Material:
304 Stainless Steel: Fluoroelastomer Rubber
316 Stainless Steel: EPDM Rubber - Pipe Nipples and Pipe: Use Schedule 10, 40 Stainless Steel
- Flanges: Use Class 150 Stainless Steel
Press these fittings onto stainless steel pipe using a crimping tool for a permanent, leak-tight connection that's faster than threading or welding and doesn't require heat. Fittings have an internal stainless steel gripping ring and rubber O-ring that create a seal when crimped. They are designed to leak if fittings have not been crimped; a colored dot marks the leak path so it's easy to spot unsealed connections. These fittings are comparable to Viega MegaPress fittings.
Fittings comply with the Uniform Plumbing Code for plumbing systems and the Uniform Mechanical Code for HVAC and refrigeration. They also meet ANSI/ASME B31 code requirements for use in pressure piping systems.
304 stainless steel fittings resist corrosion from frequent exposure to water and fuels. They are often used for water processing lines, heating and cooling systems, and fuel lines.
Connectors with center stop have a small internal ridge that prevents the pipe from sliding too far into the fitting and taking space from the pipe on the other side. Insert the pipe on each side of the connection up to the center stop to ensure a reliable seal.
Union straight connectors separate into three pieces. Unscrew and remove the center nut for quick access to a line.
Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line.
For technical drawings and 3-D models, click on a part number.
Bolt Hole | 304 Stainless Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size | Socket Dp. | Flange OD | For Bolt Dia. | Dia. | No. of | Bolt Circle Dia. | Class | Lg. | Each | |
1/2 | 1 1/16" | 3 1/2" | 1/2" | 5/8" | 4 | 2 3/8" | 150 | 2 3/16" | 00000000 | 0000000 |
| 3/4 | 1 3/16" | 3 7/8" | 1/2" | 5/8" | 4 | 2 3/4" | 150 | 2 25/64" | 00000000 | 000000 |
| 1 | 1 3/8" | 4 3/8" | 1/2" | 5/8" | 4 | 3 1/8" | 150 | 2 11/16" | 00000000 | 000000 |
| 1 1/2 | 1 7/8" | 5" | 1/2" | 5/8" | 4 | 3 7/8" | 150 | 3 23/64" | 00000000 | 000000 |
| 2 | 2" | 6" | 5/8" | 3/4" | 4 | 4 3/4" | 150 | 3 1/2" | 00000000 | 000000 |
Adapter, Female Press
Connect × Male Threaded
(A) | (B) | 304 Stainless Steel | ||||
|---|---|---|---|---|---|---|
| Pipe Size | Socket Dp. | Pipe Size | Thread Type | Lg. | Each | |
| 3/4 | 1 3/16" | 1/2 | NPT | 2 21/32" | 0000000 | 000000 |
Male Press Connect ×
Female Press Connect
(A) | (B) | 304 Stainless Steel | ||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size | OD | ID | Wall Thick. | Pipe Size | Socket Dp. | Lg. | Each | |
| 3/4 | 1 3/64" | 0.824" | 0.113" | 1/2 | 1 1/16" | 2 61/64" | 00000000 | 000000 |
| 1 | 1 5/16" | 1.049" | 0.133" | 1/2 | 1 1/16" | 3 15/64" | 00000000 | 000000 |
| 1 | 1 5/16" | 1.049" | 0.133" | 3/4 | 1 3/16" | 3 17/64" | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.61" | 0.145" | 3/4 | 1 3/16" | 4 5/32" | 00000000 | 000000 |
| 1 1/2 | 1 29/32" | 1.61" | 0.145" | 1 | 1 3/8" | 4 11/64" | 00000000 | 000000 |
| 2 | 2 3/8" | 2.067" | 0.154" | 1 | 1 3/8" | 4 1/2" | 00000000 | 000000 |
| 2 | 2 3/8" | 2.067" | 0.154" | 1 1/2 | 1 7/8" | 4 53/64" | 00000000 | 000000 |
Inline tees are also known as branch tees.
304 Stainless Steel | |||
|---|---|---|---|
| Pipe Size | Socket Dp. | Each | |
NPT Threads | |||
| 3/4 | 1 3/16" | 0000000 | 0000000 |
Inline tees are also known as branch tees.
(A) | (B) | 304 Stainless Steel | |||
|---|---|---|---|---|---|
| Pipe Size | Socket Dp. | Pipe Size | Socket Dp. | Each | |
| 3/4 | 1 3/16" | 1/2 | 1 1/16" | 0000000 | 0000000 |
| 1 | 1 3/8" | 1/2 | 1 1/16" | 0000000 | 000000 |
| 1 | 1 3/8" | 3/4 | 1 3/16" | 0000000 | 000000 |
| 1 1/2 | 1 7/8" | 1/2 | 1 1/16" | 0000000 | 000000 |
| 1 1/2 | 1 7/8" | 3/4 | 1 3/16" | 0000000 | 000000 |
| 1 1/2 | 1 7/8" | 1 | 1 3/8" | 0000000 | 000000 |
| 2 | 2" | 1/2 | 1 1/16" | 0000000 | 000000 |
| 2 | 2" | 3/4 | 1 3/16" | 0000000 | 000000 |
| 2 | 2" | 1 | 1 3/8" | 0000000 | 000000 |
| 2 | 2" | 1 1/2 | 1 7/8" | 0000000 | 000000 |
Inline tees are also known as branch tees.
Crimping tools seal fittings in less than five seconds. These tools are cordless, so you can take them to any job. Connect the jaw or ring that matches your pipe size to these tools, then pull the trigger to crimp the fitting. The pivoting head lets you access connections from any angle.
Battery | |||||||
|---|---|---|---|---|---|---|---|
| Voltage | No. Included | Cap., amp-hrs. | Battery Charger Included | Battery Charging Time, min. | Compatible With | Each | |
| 18V DC | 1 | 3 | Yes | 39 | Viega MegaPress Viega ProPress Viega ProPress XL-C | 00000000 | 000000000 |
Jaw and ring sets include three jaws, three rings, and one ring actuator jaw. Jaws are for pipe sizes 1/2 to 1; they fit directly into the crimping tool. Rings are for pipe sizes 1 1/4 to 2; clip the ring around the fitting and use the ring actuator jaw and crimping tool to press the open ends together.
For Pipe | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Material | For Manufacturer | For Manufacturer Model No. | Compatible With | Includes | Container Type | Each | |
| 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 | Stainless Steel, Steel | Ridgid | RP 340 | Viega MegaPress | One Ring Actuator Jaw Three Jaws (1/2-1 Pipe Size) Three Rings (1 1/4-2 Pipe Size) | Carrying Case | 00000000 | 000000000 |
Low-Pressure Press-Connect
Steel Unthreaded Pipe Fittings
- For Use On:
EPDM Rubber O-Ring: Ethylene Glycol, Propylene Glycol, Water
Buna-N Rubber O-Ring: Air, Lubricants, Propane, Fuel Oil, Natural Gas, Diesel Fuel - Specifications Met:
EPDM Rubber O-Ring: ASME B31,1, ASME B31.3, ASME B31.9, Uniform Plumbing Code, FM 1920, UL 213, Uniform Mechanical Code
Buna-N Rubber O-Ring: ASME B31.1, ASME B31.3, ASME B31.9, Uniform Plumbing Code, ANSI LC4/CSA 6.32, Uniform Mechanical Code, International Fuel Gas Code - Maximum Pressure:
EPDM Rubber O-Ring: 200 psi @ 72° F
Buna-N Rubber O-Ring: 125 psi @ 72° F - Pipe Nipples and Pipe: Use Schedule 40 Steel
- Flanges: Use Class 150 Steel
Crimp these fittings onto steel pipe to form a tightly sealed connection that’s faster than threading or welding and doesn’t require heat. An internal gripping ring and rubber O-ring create a secure seal when crimped. They are designed to leak if fittings have not been crimped; a colored dot marks the leak path so it's easy to spot unsealed connections. These steel fittings are coated in zinc-nickel to resist corrosion, but will rust if frequently exposed to saltwater or harsh chemicals. They are comparable to Viega MegaPress steel fittings.
Fittings comply with the Uniform Plumbing Code for plumbing systems and the Uniform Mechanical Code for HVAC and refrigeration. They also meet ANSI/ASME B31 code requirements for use in pressure piping systems.
Fittings with an EPDM rubber O-ring are often used for water processing lines, fire sprinklers, and heating and cooling systems. EPDM rubber won’t degrade when exposed to water, ethylene glycol, and propylene glycol. These fittings meet UL 213 and FM 1920 standards for use in fire protection systems.
Connectors with center stop have a small internal ridge that prevents the pipe from sliding too far into the fitting. Insert the pipe on each side of the connection up to the center stop to ensure a tight seal.
Unions separate into three pieces. Unscrew and remove the center nut for quick access to a line.
For technical drawings and 3-D models, click on a part number.
EPDM Rubber O-Ring | ||||
|---|---|---|---|---|
| Pipe Size | Socket Dp. | Lg. | Each | |
| 1/2 | 0.188" | 2 45/64" | 00000000 | 000000 |
| 1/2 | 0.188" | 3 13/16" | 0000000 | 00000 |
| 3/4 | 0.188" | 2 15/16" | 00000000 | 00000 |
| 3/4 | 0.188" | 4" | 00000000 | 00000 |
| 1 | 0.188" | 3 19/64" | 000000 | 00000 |
| 1 | 0.188" | 4 3/8" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 4 5/16" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 5 21/64" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 4 5/8" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 5 7/16" | 00000000 | 00000 |
| 2 | 0.375" | 4 45/64" | 00000000 | 00000 |
| 2 | 0.375" | 5 5/8" | 00000000 | 00000 |
(A) | (B) | EPDM Rubber O-Ring | ||||
|---|---|---|---|---|---|---|
| Pipe Size | Socket Dp. | Pipe Size | Socket Dp. | Lg. | Each | |
| 3/4 | 0.188" | 1/2 | 0.188" | 3 7/16" | 00000000 | 000000 |
| 1 | 0.188" | 1/2 | 0.188" | 3 51/64" | 00000000 | 00000 |
| 1 | 0.188" | 3/4 | 0.188" | 3 47/64" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 3/4 | 0.188" | 4 3/8" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1 | 0.188" | 4 25/64" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1 1/4 | 0.375" | 4 29/64" | 00000000 | 00000 |
| 2 | 0.375" | 1 1/4 | 0.375" | 5 17/64" | 00000000 | 00000 |
| 2 | 0.375" | 1 1/2 | 0.375" | 5 17/64" | 00000000 | 00000 |
Female Press Connect ×
Female Threaded
(A) | (B) | EPDM Rubber O-Ring | ||||
|---|---|---|---|---|---|---|
| Pipe Size | Socket Dp. | Pipe Size | Thread Type | Lg. | Each | |
| 3/4 | 0.188" | 1/2 | NPT | 2 7/16" | 00000000 | 000000 |
| 1 | 0.188" | 1/2 | NPT | 2 29/32" | 00000000 | 00000 |
| 1 | 0.188" | 3/4 | NPT | 2 11/16" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 1/2 | NPT | 3 15/32" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 3/4 | NPT | 3 31/64" | 0000000 | 00000 |
| 1 1/4 | 0.375" | 1 | NPT | 3 15/64" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1/2 | NPT | 3 23/32" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 3/4 | NPT | 3 45/64" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1 | NPT | 3 41/64" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1 1/4 | NPT | 3 13/32" | 00000000 | 00000 |
| 2 | 0.375" | 1/2 | NPT | 4 1/16" | 00000000 | 00000 |
| 2 | 0.375" | 3/4 | NPT | 4 1/16" | 00000000 | 00000 |
| 2 | 0.375" | 1 | NPT | 3 63/64" | 00000000 | 00000 |
| 2 | 0.375" | 1 1/4 | NPT | 3 15/16" | 00000000 | 00000 |
| 2 | 0.375" | 1 1/2 | NPT | 3 11/16" | 0000000 | 00000 |
(A) | (B) | EPDM Rubber O-Ring | ||||||
|---|---|---|---|---|---|---|---|---|
| Pipe Size | OD | ID | Wall Thick. | Pipe Size | Socket Dp. | Lg. | Each | |
| 3/4 | 1 3/64" | 0.824" | 0.113" | 1/2 | 0.188" | 2 27/32" | 00000000 | 000000 |
| 1 | 1 5/16" | 1.049" | 0.133" | 1/2 | 0.188" | 3 13/64" | 00000000 | 00000 |
| 1 | 1 5/16" | 1.049" | 0.133" | 3/4 | 0.188" | 3 15/64" | 00000000 | 00000 |
| 1 1/4 | 1 21/32" | 1.38" | 0.14" | 1 | 0.188" | 3 63/64" | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.61" | 0.145" | 3/4 | 0.188" | 4 1/8" | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.61" | 0.145" | 1 | 0.188" | 4 5/32" | 00000000 | 00000 |
| 1 1/2 | 1 29/32" | 1.61" | 0.145" | 1 1/4 | 0.375" | 4 33/64" | 00000000 | 00000 |
| 2 | 2 3/8" | 2.067" | 0.154" | 1 | 0.188" | 4 31/64" | 00000000 | 00000 |
| 2 | 2 3/8" | 2.067" | 0.154" | 1 1/4 | 0.375" | 4 53/64" | 0000000 | 00000 |
| 2 | 2 3/8" | 2.067" | 0.154" | 1 1/2 | 0.375" | 4 53/64" | 00000000 | 00000 |
Inline tees are also known as branch tees.
(A) | (B) | EPDM Rubber O-Ring | |||
|---|---|---|---|---|---|
| Pipe Size | Socket Dp. | Pipe Size | Socket Dp. | Each | |
| 3/4 | 0.188" | 1/2 | 0.188" | 0000000 | 000000 |
| 1 | 0.188" | 1/2 | 0.188" | 00000000 | 00000 |
| 1 | 0.188" | 3/4 | 0.188" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 1/2 | 0.188" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 3/4 | 0.188" | 00000000 | 00000 |
| 1 1/4 | 0.375" | 1 | 0.188" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1/2 | 0.188" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 3/4 | 0.188" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1 | 0.188" | 00000000 | 00000 |
| 1 1/2 | 0.375" | 1 1/4 | 0.375" | 00000000 | 00000 |
| 2 | 0.375" | 1/2 | 0.188" | 0000000 | 000000 |
| 2 | 0.375" | 3/4 | 0.188" | 00000000 | 000000 |
| 2 | 0.375" | 1 | 0.188" | 00000000 | 000000 |
| 2 | 0.375" | 1 1/4 | 0.375" | 00000000 | 000000 |
| 2 | 0.375" | 1 1/2 | 0.375" | 00000000 | 000000 |
Crimping tools seal fittings in less than five seconds. These tools are cordless, so you can take them to any job. Connect the jaw or ring that matches your pipe size to these tools, then pull the trigger to crimp the fitting. The pivoting head lets you access connections from any angle.
Battery | |||||||
|---|---|---|---|---|---|---|---|
| Voltage | No. Included | Cap., amp-hrs. | Battery Charger Included | Battery Charging Time, min. | Compatible With | Each | |
| 18V DC | 1 | 3 | Yes | 39 | Viega MegaPress Viega ProPress Viega ProPress XL-C | 00000000 | 000000000 |
Jaw and ring sets include three jaws, three rings, and one ring actuator jaw. Jaws are for pipe sizes 1/2 to 1; they fit directly into the crimping tool. Rings are for pipe sizes 1 1/4 to 2; clip the ring around the fitting and use the ring actuator jaw and crimping tool to press the open ends together.
For Pipe | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size | Material | For Manufacturer | For Manufacturer Model No. | Compatible With | Includes | Container Type | Each | |
| 1/2, 3/4, 1, 1 1/4, 1 1/2, 2 | Stainless Steel, Steel | Ridgid | RP 340 | Viega MegaPress | One Ring Actuator Jaw Three Jaws (1/2-1 Pipe Size) Three Rings (1 1/4-2 Pipe Size) | Carrying Case | 00000000 | 000000000 |
International Standard ISO Minimal-Spill
Quick-Disconnect Hose Couplings for Chemicals
To minimize fluid loss when connecting and disconnecting your line, these couplings have flat faces for a close fit and shut-off valves to stop the flow—they meet ISO 16028, which is an international standard for hose couplings. They’re also known as flush-face and double shut-off couplings. A complete coupling consists of a plug and socket (both sold separately). They connect and disconnect quickly, so use them if you need to access a line frequently. Made of 316 stainless steel, they have excellent corrosion resistance and withstand a variety of chemicals.
Plugs are also known as nipples.
Sockets are push-to-connect style. To connect, push the plug into the socket until you hear a click. To disconnect, slide the sleeve on the socket forward until the plug ejects. These sockets have an internal fluoroelastomer gasket that resists a wide range of chemicals, including benzene, butyl alcohol, and ethylene glycol.
Note: To ensure a correct fit, make sure that the plug and socket have the same coupling size. Pressure ratings are given for static (constant) pressure conditions.
Warning: Never attempt to connect or disconnect couplings when operating at maximum pressure. Stop the flow before you disconnect the line.
For technical drawings and 3-D models, click on a part number.
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
Plugs | ||||||||
|---|---|---|---|---|---|---|---|---|
Plug Tip | Dust Caps | |||||||
| Coupling Size | Lg. | Dia. | Pipe Size | Dash Size | Each | Each | ||
316 Stainless Steel | ||||||||
| 1/4 | 1/4" | 5/8" | 1/4 | 04 | 00000000 | 0000000 | 0000000 | 00000 |
| 3/8 | 3/16" | 3/4" | 3/8 | 06 | 00000000 | 000000 | 0000000 | 0000 |
| 3/8 | 3/16" | 3/4" | 1/2 | 06 | 00000000 | 000000 | 0000000 | 0000 |
| 1/2 | 3/8" | 15/16" | 1/2 | 08 | 00000000 | 000000 | 0000000 | 0000 |
| 1/2 | 3/8" | 15/16" | 3/4 | 08 | 00000000 | 000000 | 0000000 | 0000 |
| 3/4 | 7/16" | 1 3/16" | 3/4 | 12 | 00000000 | 000000 | 0000000 | 0000 |
| 3/4 | 7/16" | 1 3/16" | 1 | 12 | 00000000 | 000000 | 0000000 | 0000 |
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
- Maximum Pressure: 3,600 psi @ 72° F
- Temperature Range: 0° to 400° F
- Compatible With: ISO 16028 Parker FEM, ISO 16028 Perfecting HT, ISO 16028 Snap-Tite 74
- Specifications Met: ISO 16028
Sockets | ||||||||
|---|---|---|---|---|---|---|---|---|
For Plug Tip | Dust Plugs | |||||||
| Coupling Size | Lg. | Dia. | Pipe Size | Dash Size | Each | Each | ||
316 Stainless Steel | ||||||||
| 1/4 | 1/4" | 5/8" | 1/4 | 04 | 00000000 | 0000000 | 0000000 | 00000 |
| 3/8 | 3/16" | 3/4" | 3/8 | 06 | 00000000 | 000000 | 0000000 | 0000 |
| 3/8 | 3/16" | 3/4" | 1/2 | 06 | 00000000 | 000000 | 0000000 | 0000 |
| 1/2 | 3/8" | 15/16" | 1/2 | 08 | 00000000 | 000000 | 0000000 | 0000 |
| 1/2 | 3/8" | 15/16" | 3/4 | 08 | 00000000 | 000000 | 0000000 | 0000 |
| 3/4 | 7/16" | 1 3/16" | 3/4 | 12 | 00000000 | 000000 | 0000000 | 0000 |
| 3/4 | 7/16" | 1 3/16" | 1 | 12 | 00000000 | 000000 | 0000000 | 0000 |