Coil Binding Machine with Electric Coil Inserter and Adjustable Side Margin | 20 Sheet Punch Capacity | Bind up to 440 Sheets | 46 Fully Disengageable Dies | 4:1 Pitch | 2-Year Warranty
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Availability:
In Stock.
Arrives
Jun 26 – Jun 27
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Style: Manual Punch with Electric Insert
Features
- PERFECT FOR MEDIUM VOLUME - Securely bind 4:1 coil documents with ease using our manual punch & electric bind machine. Punch up to 20 sheets and bind up to 190 sheets (electric) or 440 sheets (manual).
- EASILY ADJUSTABLE - Adjustable depth margins (2.5mm, 4.5mm, and 6.5mm) and side margin control ensures accurate hole punch alignment, no matter the thickness. Our set of 46 fully-disengageable pins allow for punches on pages smaller than letter-size.
- EFFORTLESS USE - The electric coil inserter makes binding coil documents fast and simple. Operate the manual punch with a full handlebar designed for left-handed, right-handed, or two-handed operation.
- PUNCH BIGGER SHEETS - Use the open punch throat for punching holes in sheets larger than standard 8.5" x 11". Great for legal, tabloid, A4 sizes and more.
- TWO-YEAR MANUFACTURER WARRANTY - Buy with confidence knowing that your binding machine comes with a two-year manufacturer warranty, covering any manufacturing defects.
Material: Plastic
Color: WHITE
Brand: TruBind
Item Weight: 15 Pounds
Hole Count: 20
Brand Name: TruBind
UPC: 742415918593
Manufacturer: TruBind
Model: S-20
Part Number: TB-S20A
Unit Count: 1.0 Count
Hole Count: 20
Operation Mode: Electric, Manual
Sheet Count: 20
Material Type: Plastic
Color: WHITE
EU Spare Part Availability Duration: 2 Years
Item Weight: 15 Pounds
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jun 26 – Jun 27
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Style: Manual Punch with Electric Insert
What an amazing machine! Quality item, easy to ease, seems durable (I've only used it for 85 booklets, each with over 40 pages, thus far). The bonus is the electric coil threader... it is very quiet, works nearly every time, though sometimes a coil will go through but miss a couple pages... easy to unwind and correct. The whole experience in using this machine is excellent. Much cheaper than paying for this service... the machine has already paid for itself!
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Reviewed in the United States on February 16, 2026 by Endoll
Style: Manual Punch with Electric Insert
I just purchased the TruBind TB-S20A, I originally was going to buy straight from the manufacture for $10 less but after shipping cost the better deal was through Amazon. I had recently bought a different brand Coil Binding Machine and it had a handle on the right side of the machine which was hard to pull and I could only punch up to 5 pages at a time. The other difference was you could not pull the pins. I returned it when i received this one. I have already bound over 5 Books of 150 double sided printed pages. It is a great machine. Easily I could punch up to 15 pages it says 20 pages. This Coil Binding Machine is well built and easy to use. The punch tray is in the back of the machine. I emptied it each time I punched as the manufacture suggested. COIL ROLLER - Works well, with the bigger books my coils did not line up or the plastic coil was not thick enough to grab hold. So I rolled them by hand. I'm hopefully going to get to use the roller at some point. I'm sure there is a learning curve as well. BINDING CRIMPER - I am a lefty. The instructions say to make sure the red dot is on top when crimping. For a Right handed person that may work. I went to You Tube and watched "How To Properly Crimp A Coil Bound Book" a great tutorial I must say. In the Tutorial it said to turn the crimper over where the red dot is on the BOTTOM if you are left handed, that worked well for me. It is still a learning curve to get it to crimp right but I got better by time I hit the third book.
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Reviewed in the United States on March 7, 2018 by Monica R.
Style: Manual Punch with Electric Insert
Solid assuming you follow the instructions. Easiest way to break this thing is to overload it. I use this often and its quite reliable, albeit expensive.
Reviewed in the United States on March 22, 2026 by Donavan James
Style: Manual Punch with Electric Insert
I have bound a large quantity of smaller booklets (58 pages double sided so 29 sheets of paper) and a couple of larger booklets (200+ pages). The instructions weren't very clear but google helped to clarify (as usual). For smaller booklets, make sure the depth adjuster is all the way in (see photos) or you'll find it hard to turn the pages. Hole punching is easy up to the recommended limit (20 sheets of regular paper, less for card stock) easy enough to hole punch each booklet in several batches. Just remember to ensure the handle is all the way up to release the paper. I do wish the base was heavier or had a weight to attach. The machine moves around when you are pulling the handle up. It is important to remember to empty the tray which catches the confetti-like pieces when you punch the holes. I found that I had to do so every 400-450 sheets of paper (again, some of that was card stock covers). The coil inserter requires a little practice to get the right pressure and angle to get the coil to thread but once you've got that down it's fast and simple. In less than 3 minutes I could insert coils in 20 booklets. You have to manually start the coils, as stated in the instructions and it's faster to do that for all the booklets then use the coil inserter to finish threading them. The crimper also take a little practice to get the right angle but so easy once you've got it down. Be warned oil does seep out of the joint, I put a piece of tape over the circle to keep it from getting all over the booklets as I worked.
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Reviewed in the United States on August 10, 2018 Reviewed in the United States on August 10, 2018 by Sandy M
Style: Manual Punch with Electric Insert
If you are thinking about getting this for high-volume commercial use, it may not be the best choice. For home use or low to moderate volume commercial use, I don't think you can go wrong for the money. There are specific aspects of this machine that probably deserve separate attention: Packaging One reviewer pointed out that the electric coil inserter and the silver drum underneath came damaged. While I’m sure that Amazon will make good on this, I was a little bit concerned since I have on occasion purchased marginal quality devices online without realizing it. One of the key markers of this type of inferior quality is its frequency of arriving broken. The outside box that my machine came in was pretty beat up. I think this may have been because our 4 fairly large dogs met the deliveryman in the driveway and I have a feeling he just tossed it out of the truck. Nevertheless, I found that Amazon, as usual, had done an excellent job of packing. The outer box contained cushioning material which surrounded an inner box. The machine itself was very securely packed with foam inserts. I found absolutely no damage or malfunction to the device whatsoever. Documentation Thank goodness for YouTube. The documentation with this device was practically nonexistent. It came with an 8.5 x 11 sheet of card stock which was folded in half as its full user manual. Something like what you normally would see for a “quick start guide”. All it really said was basically you put the sheets in, you punch holes and then you put the coil in. There is a small tab sticking out of the left side of the machine with no indication whatsoever as to its purpose. It actually turns out to be an adjustable guide so that you can switch from a 4 ½ mm border to a 6 ½ mm border if you want the holes a little bit further away from the edge of your sheet. There is a fuse holder in the back of the machine which is also ignored in the instructions but if your electric coil inserter seems like it’s “dead”, this is where to check the fuse. Right below the fuse is a removable tray where the little circles go that are punched out of the paper. It pulls out towards the back. This is also something that was ignored in the instructions and is not immediately obvious. Construction Quality The housing and work bed are plastic. This is okay though because the working parts of the machine are quite heavy and appear to be quite sturdy in construction. Some of the individual punches appeared to stick slightly on retracting but I’m sure this will improve as it “wears in”. By the way, the punches are lubricated and will stain the first few sheets that you punch. If it is an important presentation, you definitely want to cycle the machine a dozen or so times with scrap paper before you use it on important work. It is rated at 20 sheets punch capacity with 20 # stock. I think this may be a bit of a stretch. I did do 20 sheets of 18 # stock successfully but I would not want to do it on a repetitive basis both for the amount of effort involved and the strain on the machine. 15 sheets at a time is probably more reasonable. I really like the full handle design on this device. Many of the machines out there have a single crank type handle on one side. I can’t imagine punching holes in 15 sheets of paper with one of those devices without having it twist from the torque. Features As mentioned above, you can adjust how far away the holes are from the edge of the paper. Any of the punches can be disengaged so that you do not have any holes overhanging the edge of your sheet. It is not necessary to disengage all of the ones you’re not using, just the last one at the edge. (The last job I had “professionally” bound at Staples completely ignored this and all of the books had holes hanging off the edges of the sheets. Did not look very professional at all.) There is a gauge printed on the front bed of the machine that you can lay your sheet on to see exactly where the holes are going to fall and which, if any, punches you need to disengage. There is also a printed guide that tells you what size coil to use depending on the number of pages you are going to bind. This is handy but it would be nice to have a feature like I saw on another machine where you simply slide the document that you want to bind into one of several slots to see how thick it is and what size coil to use. You’ll notice that the tabs which are used to disengage the punches are not straight across, they arch upward. This is because the punches do not engage simultaneously but rather the edges engage first and then work their way to the center. This is an excellent design feature. It eliminates having to exert a huge amount of force to punch all of the holes simultaneously. Ease of Use The hole punching part is pretty straightforward. You line your pages up with the adjustable guide on the left-hand side, check to see if you need to disengage any of the punches using the circles printed on the bed and if you do, you simply pull out the silver knob of the punches that you want to disengage. Slide the pages all the way to the back, press down on both sides of the handle and you’re done. I have seen a lot of comments with regard to the electric coil inserter. Yes it does run fast. Yes it probably would be easier to use and just as effective if it was half the speed and yes it does take a little bit of practice. Unfortunately, here once again the instructions give you practically no guidance. The most important part is to manually insert the coil through the first 3 or 4 holes. Then gently press the coil against the rotating rubber drum engaging the loops of the coil in the grooves of the drum. Rest the coil on the silver roller for support. It is important that you press gently and evenly on the rubber roller. You may have to put a little bit more pressure on the left side of your document. If not, the tip of the coil has a tendency to slide under the last few pages on the top of your document instead of coming out the hole and going around again. Obviously it is also important to keep the pages of your document lined up as evenly as possible so the holes line up evenly and don’t snag the coil as it’s going through. I generally put a binder clip on each side of the document to keep the pages lined up while I am inserting the coil. If you follow these tips, you shouldn’t have any trouble after you get a little bit of experience. The machine comes with a crimping pliers that simultaneously cuts the excess coil off and crimps the end so that it doesn’t come out of the book. It is extremely easy to use, just make sure you have it oriented in the proper direction otherwise you will crimp the part that you cut off instead of the part that stays on the book. Final Thoughts Plastic coil binding is a very cost-effective and functional way to bind loose papers semi-permanently. The cost of the coils ranges from $.13-$.25 apiece when purchased in quantity and depending on the size of the coil. It is possible to reuse them, so long as you don’t cut them too short when you put them in. If you are getting ready to throw the book away, simply snip off both crimped ends and place it against the spinning drum and it will spin the coil off in a couple of seconds. (It is actually faster and easier to remove them than to put them in) Coil binding is more functional than comb binding because it allows you to fold the book over on itself and lay it flat. It is as cheap or cheaper than using plastic report covers and the pages are much easier to read. I definitely recommend this machine for the intermittent user.
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Reviewed in the United States on March 8, 2018 by Joseph Solomito
Style: Manual Punch with Electric Insert
Works very well for my small office needs.
Reviewed in the United States on December 21, 2025 by Jeremiah Stevens
Style: Manual Punch with Electric Insert
This machine will help us to bind documents reliably for the foreseeable future. We had a heat-seal binder that has given up recently, and finally, this one will not fail. Thank you!
Reviewed in the United States on November 21, 2025 by Melinda Koning
Style: Manual Punch with Electric Insert
The machine itself seems to do the job. The case is plastic but seems substantial. The problem we had is that the power supply that came with it to power the coil inserter died after plugging it into the wall. Before I had a chance to plug it into the machine, the power supply gave two loud pops and the light went out. Since our only option was to return the entire package, I found a 12V supply to use with the machine. What puzzles me is that every power supply like this one that I have ever seen has come with a label with FCC approval UL approval and country of origin with input and output values. The supply that came with the TruBind unit had no label whatsoever, not even a voltage rating. Pretty poor. The machine came with very limited instructions. Glad I found a video on youtube showing use of the coil inserter.
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Reviewed in the United States on November 9, 2015 by Joe