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Grex P635 23 Gauge 1-3/8-Inch Length Headless Pinner

4.6 out of 5 stars 81 customer reviews
| 12 answered questions

Was: $215.98
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  • Powerful motor penetrates fasteners through the hardest materials
  • Shoots fasteners up to 1-3/8-inch length easily, even-inch hardwoods
  • Patented design eliminates need to adjust for different fastener lengths
  • Double trigger safety prevents accidental firing of tool
  • Narrow nose reaches tight areas and corners for detailed trim work
8 new from $188.00 3 used from $163.56
$188.00 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Grex P635 23 Gauge 1-3/8-Inch Length Headless Pinner
  • +
  • GREX P6/MP-3 23 Gauge Multi-Pack Headless Pins (3,000 per box)
  • +
  • GREX P6/35L 23 Gauge 1-3/8-Inch Length Headless Pins (10,000 per box)
Total price: $218.18
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Product Description


For finishing, detailed woodworking, and fastening of delicate, thin, and small wood pieces without splitting, the Grex P635 Headless Pinner makes the process of pinning easy. This innovative tool accommodates long pins up to 1-3/8 inches for a strong hold, and the magazine self-adjusts to different fastener sizes, so you'll never need to make any adjustments for pin lengths. Powerful enough to penetrate hardwoods, the P635 works securely with a built-in double-trigger safety.

1. A narrow nose allows for fine, detailed work.
2. A no-mar tip protects your work surface.
3. A safety trigger prevents accidental firing.
4. A self-adjusting magazine makes pin changes easy.

Award-Winning Power and Versatility
Ideal for detailed woodworking and finish work, the P635 gives you the flexibility and power you need to tackle a host of pinning jobs. Equipped with an industrial-strength motor, this pinner easily penetrates hardwoods such as oak and beech. And even with its high-power performance, the P635 allows for fastening of delicate, thin, and small wood pieces without splitting--something that's simply not possible with larger fasteners.

Suitable for both hard and soft woods, the P635 fits pins up to 1-3/8 inches long for strong holding power.View larger.
The magazine auto-adjusts to the different fastener sizes, quickly pushing pins to the necessary position. Unlike old-style pinners, the P635 does not require you to make any adjustments for the pin lengths; it's an easy load-and-go tool for quick, convenient, and trouble-free loading and reloading.

The pinner's broad fastener range accepts pins from 3/8 inch to 1-3/8 inches in length--nine different sizes--making it the perfect go-to gun. Plus, the P635's fastener capacity is one strip (approximately 100 pins), letting you work with little interruption.

For its innovative features, the P635 has been named one of the "Best New Tools" in the December 2005 issue of Popular Woodworking and the "Best Bet" of headless pinners in the April 2007 issue of Woodworker's Journal. The P635 has also been listed in Taunton's Tool Guide as the "Readers' Choice" two years in a row (2008 and 2009).

Lightweight Body with Narrow Nose for Easy Maneuvering
Weighing only 2.21 pounds, the P635 keeps you working comfortably when you're performing extended or overhead pinning jobs. And with its narrow nose and short length (less than eight inches), this pinner is perfect for accessing tight spaces, and the rear cut-away magazine helps the tool reach into corners.

If you frequently perform detailed trim work, this pinner's compact design gives you the control and flexibility you need to create an attractive finished product. And for jam clearing, the P635's removable nose cover provides easy access. The hex key to remove the nose cover is conveneiently stored on the rear of the magazine.

No-Mar Tip and Safety Trigger Provide Clean, Safe Performance
If you want to avoid visible holes or splits in a finished piece, the P635 is a great choice. The pinner is similar to a finish or brad nailer, but it uses smaller nails, so it fires fasteners that hardly leave a trace. Despite being a very thin headless fastener, the tool uses 23-gauge headless pins that provide a significant amount of holding power when driven in correctly. And because the pins leave holes that are practically invisible, there is no need for puttying and sanding. This means you'll achieve better-looking results while saving time.

The P635 also makes it possible to fasten pre-finished material. The removable no-mar tip works with smooth precision, so do-it-yourselfers and professionals alike can enjoy clean, expert results.

For added security and control, the pinner is built with a double-trigger safety, which prevents accidental firing. To fire a pin, you simply pull back the safety trigger and then engage the pinning trigger. For added convenience, the pinner includes quick access magazine storage for the wrench, magazine angled cut-off, and a fastener indicator that lets you know when reloading is necessary.

And to ensure a more relaxed work environment, the P635 has a rear-exhaust system with a built-in silencer, which directs the tool's exhaust away from the user and reduces the noise to a comfortable minimum. Constructed mostly of metal--with a hardened steel driver and nose piece, aluminum internal parts, aluminum housing, and aluminum extruded magazine assembly--this tool is built to last. And with a convenient belt hook, the pinner is easy to carry with you wherever you go.

Great for a Variety of Uses: From Frame Assembly to Joint Pinning
The P635's many capabilities give you the freedom to use it in a variety of situations, covering your pinning needs everywhere from craft shops to construction sites. Grex recommends the pinner for the following applications: finishing, molding, decorative trimming, lightweight paneling, dowel and joint pinning, window beading, display and sign creation, and assembly of mirrors, picture frames, rattan furniture, and more.

What's in the Box
Grex P635 23-Gauge, 1-3/8-Inch-Length Headless Pinner, plastic carrying case, bottle of tool lubricant, set of hex keys, and owner's manual.

From the Manufacturer

The Grex P635 23-gauge 1-3/8-inch length headless pinner is the only industrial strength pinner offering a patented self-adjusting magazine that accommodates fasteners from 3/8-inch up to 1-3/8-inch, a total of nine different lengths. Equipped with an extended narrow nose to access corners and tight areas with precision, this lightweight pinner is designed ideally for intricate finishing and trim work that allows secure fastening of the smallest decorative trim with a nearly invisible hole - no splitting or puttying. It has been hailed as "The Lexus of Pinners" by Wood magazine and 2005 "Best New Tool" in Popular Woodworking. Along with its additional convenient features, this tool is truly "The only pinner worth having."

Product Information

Technical Details

Part Number P635
Item Weight 3.9 pounds
Product Dimensions 11.2 x 3 x 3 inches
California residents Click here for Proposition 65 warning
Item model number P635
Power Source air-powered
Item Package Quantity 1
Usage Fine Finish
Warranty Description One Year Limited Warranty through Grex Power Tools

Additional Information

Customer Reviews
4.6 out of 5 stars 81 customer reviews

4.6 out of 5 stars
Best Sellers Rank #54,246 in Home Improvements (See top 100)
#8 in Home Improvement > Power & Hand Tools > Power Tools > Nailers & Staplers > Nailers > Pinners
Shipping Weight 3.5 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available October 2, 2003

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.


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Customer Reviews

Top Customer Reviews

I am simply amazed by this pinner. I have used many others with less features and the Grex p635 is a hands down winner. Few manufacturers offer a 23ga pinner as versatile as the P635 with the capability to shoot 3/8 to 1 3/8 pins and self adjusting to boot. No splitting of crown or delicate hardwood mouldings even within 1/8" of an end mitre. I have pretty much retired my 18ga brad nailer for high end trim in leu of the Grex P635. I am impressed with the holding power of the 23 ga pins in hardwood crown on cabinet installs. As a professional wood worker I highly recommend this pinner.
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I was introduced to this nail gun at my last job. Now that I am in business for myself, I had to get one. I have used the Senco and the Grex 23g micro pinners. The Sencos that we had at the shop hardly ever worked properly. They weren't self-adjusting, so changing nail lengths was a pain. And, the nail heads almost always stayed above the surface of the material. The Grex, however is self adjusting, and goes all the way from 1/4" to 1 3/8" nail lengths. Even in the hardest wood it always sinks the heads. The only time it hasn't was when I was shooting into maple at a harsh angle, or when the compressor didn't come back on and there wasn't enough pressure. Also, I have had the gun for 2 months and used it almost every work day since then, and I have only had one minor jam. Plus, just the fact that you don't have to fill every nail hole with putty makes this tool a life saver.
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I purchased Senco, Porta-Cable, Bostitch, Omer, and Grex. Grex by far is the best! It doesn't jam, or break down. Very reliable and saves me money over the long run from not repairing it every week. Before the P635 my porta-cable and omer both gave me the biggest problems. The Grex gets into the corners and doesn't leave a mark into the finished product. I have owned them for 2 years and now getting one for my father. Also, I have been burned by the big auction web site(won't name names)trying to buy this tool.
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(see revision below) I wasn't led astray by others who raved about this 23 gauge pinner. It saved the day as far as doing an intricate exterior Ipe handrail with polyurethane glue. No other brad or nailer would work except my old Senco 1/2 thru 3/4 inch pinner and it leaked and didn't have the power of this new one. With no time to use small screws and countersinks nor tenoning, I found that using toe nailed 23 guage pins with polyurethane glue really held together this hard-as-nails exterior hardwood.

The only small problem was when adding a new shank of pins to a nearly empty gun.. that when the previous shank was used up the new shank due to the smallest misalignment wouldn't pin.. .not a biggy..It just meant one had to very carefully load the pinner and make sure the same size of pins was in-line with the prior shank of pins. Very hard to tell if the gun is firing or not. But minor concerns with such a Great Tool! It's very powerful judging at the strength of penetration into a wood (Ipe) that is very close to being the hardest of woods. 18 guage would shatter and split the wood and only my battery actuated Dewalt 16 guage gun would consistantly penetrate but only at a right angle and with occasional splitting. Only 23 guage pins would toe nail w/o bouncing off.
Someone described this as the "Lexus of pinners". Seems very true. Also the extra finger safety 'flipper' was annoying and my helper just taped it to the handle as we found that it was more likely to accidently fire with the intricacy of manipulating the safety on than having it taped off (down). Works now very well. No hitches. Comes with the usual leaky bottle of oil..but not even one pin in the box. Make sure you order some if you don't have 'em when ordering this gun.

after a month or so...revised review.
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This is an excellent product, comes ready to use, and works perfectly. Quiet, light, and well made. Feels better than the Porter Cable I tried out, and extremely accurate. I used it at 90 psi with the 1 3/8" pins, and had no issues with putting pins through shoe molding, corner molding, pinning crown miters, etc.

A very minor gripe: it is difficult to load a new clip of pins when there are a few still left on the old clip. The spring mechanism pushes the two clips together pretty hard when you close the magazine, and the ends of the clips can get doubled up, jamming the magazine. I was unable to fix this, so I just made sure I only refilled when it was completely empty. Kind of a hassle on the ladder, but there are so many pins in a clip it didn't matter to me that much. I don't know if this was a problem on the other pinner I tried out because I never thought to check.

If you've never used a pinner, you should know that it is NOT going to replace your finish nailer. In other words, don't plan on a pinner to hold up oak trim on a coffered ceiling. You can put the smaller stuff (cove, bead) up with the pinner, and you get perfect results.

Another great use for the pinner is holding the returns on small pieces of trim while the glue sets up. Things that you cannot clamp together can be pinned and you'll probably never see the tiny hole. Plus, no problems with splitting the end grains either! Saves me hours of hole-filling and irritation.

This pinner has the dual trigger, and it works well. One safety note, don't get complacent about holding the safety trigger down and waving the gun around at the same time (away from the workpiece). There is no safety tip to depress, so it will fire away.
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