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

• 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

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. Now the Grex no longer shoots pin to the surface...pins are proud a good 1/16. Opened it up and the first part of the pin driver is shattered. Thus needing a new piston pin, Amazon does carry it. But was the wood too hard (Ipe) on the pinner or is it just a bad design? Remember my old Senco still shoots pins but only is a half through three quarter pinner. I'd have to demote Grex to two stars. The pin driver seems only meant for softer woods. Need to find paperwork as no local dealer sells Grex or contact manufacturer.

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After asking around on woodnet i found that this one is the only one that does not leave a small dent from the driving pin( at least in this price range)

the one drawback to all of these micro pinners is that you cant control the depth of the pin

it will never go more than about a 32nd into the wood

not quite enough for filler