Is the Greenlee Communications 123AV Knockout Punch a smart pick for both professionals and DIYers? Many look for a tool that delivers solid performance, lasts through tough jobs, and offers great value. This review gives quick, clear answers. Readers can see if the Greenlee Communications 123AV knockout punch matches their needs or if they should keep searching.
Key Takeaways
- The Greenlee 123AV knockout punch makes neat holes in steel, stainless steel, and aluminum. It is great for 3/4 inch conduit jobs. Its strong steel body and knurled edge make it last a long time. The grip is secure, so it is good for hard jobs and long use. The tool works with many driver types. You can use manual, hydraulic, ratchet, or battery-powered drivers. This gives you lots of choices at work. The Slug-Buster profile helps you get rid of metal slugs fast. This saves time and keeps your work easy. You do not need to use extra effort. The tool costs more and is heavier than basic punches. But its good quality and performance make it a smart buy for people who use it often or for work.
Overview
What It Does
The Greenlee Communications 123AV knockout punch makes round holes in metal. Electricians and contractors use it for conduit fittings in panels or boxes. The tool uses a punch and die system. You put the punch on one side of the metal. The die goes on the other side. When you turn the draw stud, the punch cuts the metal. This leaves a smooth hole. It is faster than drilling. The holes are also more exact.
Tip: The 123AV knockout punch can cut steel, stainless steel, and aluminum. It works best for 3/4" conduit holes, which are about 1.115 inches (28.3 mm) wide.
Who Uses It
Many workers use this tool. Electricians use it for wiring jobs. Maintenance workers keep it for quick fixes. HVAC technicians and data installers use it too. Some DIYers pick the Greenlee Communications 123AV for home jobs. They like that it is easy and works well.
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Typical users include:
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Electricians
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Contractors
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Maintenance staff
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HVAC technicians
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DIY enthusiasts
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People who want fast, neat holes in metal use this knockout punch. They know it gives good results at work or at home.
Features
Build and Materials
The Greenlee Communications 123AV knockout punch stands out for its solid build. The punch, die, and draw stud all feel sturdy in hand. Greenlee uses high-grade steel for these parts. This choice helps the tool handle tough jobs without bending or breaking. The knurled edge on the punch gives users a better grip. This detail makes it easier to set up and use, even with gloves on.
Note: The Greenlee Communications 123AV can punch through steel, stainless steel, and aluminum. Many users like this because it works on different job sites.
Size and Capacity
This knockout punch fits 3/4" conduit sizes. The actual hole it makes measures 1.115 inches (28.3 mm) across. This size matches common electrical and data wiring needs. Users can rely on it for panels, boxes, and enclosures. The punch works well for both small and large projects. It gives clean, round holes every time.
Here’s a quick look at the size and capacity:
| Feature | Detail |
|---|---|
| Conduit Size | 3/4 inch |
| Hole Diameter | 1.115 in (28.3 mm) |
| Application | Steel, stainless, aluminum |
Compatibility
The Greenlee Communications 123AV knockout punch works with many driver types. Users can pair it with manual drivers for simple jobs. For bigger tasks, it connects to hydraulic, ratchet, or battery-powered drivers. This flexibility means users do not need to buy new tools for every job. They can use what they already have in their toolbox.
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Compatible driver types:
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Manual
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Hydraulic
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Ratchet
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Battery-powered
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Tip: This knockout punch fits most Greenlee driver systems. It also works with many other brands.
Slug-Buster Profile
The Slug-Buster profile is a special feature. It helps remove the metal slug after punching the hole. Users do not have to stop and pry out stuck pieces. This design saves time and keeps the workflow smooth. The Slug-Buster profile also helps make cleaner holes. Many professionals say this feature makes their work faster and easier.
Greenlee Communications 123AV Pros
Durability
The Greenlee Communications 123AV stands out for its tough build. The punch, die, and draw stud use high-quality steel. This material helps the tool last through many jobs. Many users say the tool keeps its shape even after heavy use. They do not see cracks or bends. The knurled edge also helps protect the tool from slips and drops. People trust this knockout punch for both big and small projects.
Note: Many professionals keep using the same punch for years. They like that it does not wear out fast.
Precision
This knockout punch makes clean, round holes every time. The size stays true to 1.115 inches (28.3 mm), which fits 3/4" conduit perfectly. Users do not need to worry about rough edges or uneven cuts. The punch and die line up well, so the hole always looks neat. Electricians and contractors say the Greenlee Communications 123AV helps them finish jobs faster because they do not need to fix mistakes.
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Key points about precision:
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Smooth, burr-free holes
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Consistent size for every punch
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No need for extra filing or sanding
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Ease of Use
People find this tool easy to use, even if they do not have much experience. The knurled edge gives a good grip, so hands do not slip. The punch works with many driver types, like manual, hydraulic, and battery-powered. This means users can pick the driver they like best. The Slug-Buster profile also helps. It pushes out the metal slug, so users do not have to stop and clear the hole.
Tip: Many users finish jobs faster because they do not waste time removing stuck slugs.
User Feedback
Users often share positive stories about the Greenlee Communications 123AV. They like how the tool saves time and effort. Many say the punch works well on steel, stainless steel, and aluminum. Some users mention that the tool feels solid and reliable. Others say they would recommend it to friends or coworkers.
Here is what users often mention:
| What Users Like | Details |
|---|---|
| Durability | Lasts for many jobs |
| Precision | Makes clean, accurate holes |
| Ease of Use | Simple setup and quick operation |
| Versatility | Works on different metals and drivers |
"This knockout punch made my panel work much easier. The holes are perfect every time." — Electrician, user review
Cons
Price
Some users notice that the Greenlee Communications 123AV costs more than basic knockout punches. Professionals often say the price matches the quality, but people on a tight budget might pause before buying. For those who only need to punch a few holes now and then, the investment may feel high. Many buyers, though, see the tool as a long-term purchase. They know it will last for years and handle tough jobs. Still, the upfront cost can be a hurdle for some.
Tip: If someone works with metal panels often, the tool’s durability and performance can make up for the higher price over time.
Weight
The Greenlee Communications 123AV feels solid in hand. That strong build adds some weight. People who carry a lot of tools every day might notice this. The punch, die, and draw stud all use heavy-duty steel. This makes the tool sturdy, but it can add to the load in a tool bag. Some users prefer lighter tools for quick jobs or when working overhead. Others do not mind the extra weight because it means more strength and longer life.
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Pros appreciate the solid feel.
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DIYers sometimes wish for a lighter option.
Alignment Issues
Getting a perfect hole takes practice. The Greenlee Communications 123AV does not have cross hairs or guides for lining up the punch. Some users find it tricky to center the tool, especially when they first start using it. A little patience and a steady hand help a lot. Most people get better with experience. Some users suggest marking the metal before punching to help with alignment.
Note: Many users say the learning curve is short. After a few tries, lining up the punch gets much easier.
Comparison
Competing Tools
Many workers look at other knockout punches before picking the Greenlee 123AV. Some popular choices are:
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Klein Tools Knockout Punches
Klein Tools makes knockout punches for simple jobs. These tools usually cost less and are good for light work. -
RIDGID Knockout Sets
RIDGID has knockout sets that many people trust. Their tools can handle hard materials and come in sets for different hole sizes. -
Milwaukee Knockout Tools
Milwaukee sells knockout punches that use their battery-powered drivers. Many users like how fast and easy these tools are. -
Southwire Knockout Punches
Southwire makes knockout punches for both pros and DIYers. Their tools are easy to use and give good value.
Here’s a quick table to compare:
| Brand | Durability | Precision | Driver Compatibility | Price Range |
|---|---|---|---|---|
| Greenlee 123AV | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Manual, Hydraulic, Ratchet, Battery | $$ |
| Klein Tools | ⭐⭐⭐ | ⭐⭐⭐ | Manual | $ |
| RIDGID | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Manual, Hydraulic | $$ |
| Milwaukee | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Battery | $$ |
| Southwire | ⭐⭐⭐ | ⭐⭐⭐ | Manual | $ |
Note: The Greenlee 123AV is known for being very strong and working with many driver types.
Unique Points
The Greenlee 123AV Knockout Punch has special features that make it different:
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Slug-Buster Profile
This design lets users get rid of metal slugs fast. It helps keep work moving and saves time. -
High-Grade Steel Build
The punch, die, and draw stud are made from tough steel. This helps the tool last a long time, even on hard jobs. -
Knurled Edge for Grip
The knurled edge helps users hold the tool tight. It stops slips, even if you wear gloves. -
Versatile Compatibility
The Greenlee 123AV works with manual, hydraulic, ratchet, and battery-powered drivers. Users do not have to buy new drivers. -
Trusted Brand
Many workers trust Greenlee for good tools. The 123AV keeps this good name.
Tip: If you want a knockout punch that lasts, works with many drivers, and makes neat holes, the Greenlee 123AV is a great pick.
Who Should Buy
Best Users
The Greenlee 123AV Knockout Punch fits many types of users. Electricians often choose this tool for daily panel work. They need clean, accurate holes for conduit fittings. Contractors also like the punch because it saves time on big projects. Maintenance workers keep it in their toolkits for quick repairs. HVAC technicians use it when they install new systems or run wires through metal panels.
DIYers can use the Greenlee 123AV too. Someone who works on home projects or builds custom enclosures will find it helpful. The tool works well for anyone who wants professional results without a lot of effort. People who value durability and want a tool that lasts for years will appreciate this knockout punch.
Tip: If someone works with steel, stainless steel, or aluminum panels often, this tool makes the job much easier.
Here’s a quick list of best users:
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Electricians who install conduit regularly
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Contractors working on commercial or industrial sites
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Maintenance staff handling repairs in factories or buildings
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HVAC technicians running new lines
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DIYers who want clean, round holes in metal
When to Consider Alternatives
Some users might want to look at other options. If someone only needs to punch a few holes once or twice, a basic or less expensive punch could work. People who need to carry tools all day and want the lightest option might prefer a smaller punch. Those who work with very thin or soft metals may not need the heavy-duty build of the Greenlee 123AV.
A person who uses battery-powered tools for everything might want a knockout punch designed just for their system. Some brands make punches that fit only their drivers. If budget is the top concern, a lower-priced tool might be a better fit for light jobs.
Note: The Greenlee 123AV shines on tough jobs and frequent use. For quick, simple tasks, a lighter or more basic punch may do the trick.
The Greenlee Communications 123AV is strong and easy to use. It makes holes that look neat every time. Many workers and DIYers think it is worth the money. This tool lasts a long time and works well for metal jobs. People should think about what they need before buying a knockout punch. If they want a tool that does many jobs and is high quality, this punch is a good pick.
FAQ
How does the Greenlee 123AV Knockout Punch work?
The user places the punch and die on opposite sides of the metal. Turning the draw stud pulls the punch through, making a clean hole. The Slug-Buster profile helps remove the metal slug quickly.
What materials can it punch through?
The Greenlee 123AV handles steel, stainless steel, and aluminum. Many electricians use it for panels and boxes made from these metals.
Is the Greenlee 123AV easy for beginners?
Yes, most beginners find it simple to use. The knurled edge gives a good grip. After a few tries, users get comfortable with the setup.
Tip: Mark the center of the hole before punching for better accuracy.
What size hole does it make?
| Conduit Size | Hole Diameter |
|---|---|
| 3/4 inch | 1.115 in (28.3 mm) |
This size fits standard 3/4" conduit fittings.
Can it work with different driver types?
Yes, the Greenlee 123AV works with manual, hydraulic, ratchet, and battery-powered drivers. Users do not need to buy a special driver for this punch.
Written by Jack from AIChipLink.
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