Grex 635 pin nailer - Router Forums
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post #1 of 20 (permalink) Old 12-15-2019, 04:44 PM Thread Starter
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Default Grex 635 pin nailer

I know that this is not the place for this but it's the place I think I could get an answer.
I got a used Grex P635 23 gauge pin nailer and it is working properly using 3/4 inch pins but when I use a 1 1/4 pin it jams, it's supposed to take up to 1 3/8 inch pins.
Could anyone tell me what could be wrong.
Thanks Stuart
P.S I'm coming to the end of the reno of my kitchen cabinets I,m working on the moldings will put up photos.
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post #2 of 20 (permalink) Old 12-15-2019, 05:55 PM
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All I can think of is that the 23 gauge pin nails that are 1-1/4" long are of a brand that don't work with your nailer.

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post #3 of 20 (permalink) Old 12-15-2019, 06:19 PM
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What air pressure does the manufacturer recommend? Is that what you've got your output set for?
I think I agree with Marco, if your pressure is correct.
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post #4 of 20 (permalink) Old 12-15-2019, 07:02 PM Thread Starter
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The pressure on my compressor is 86 psi and the brand of pins is the same PORTER CABLE.
bought them at Home Depot that's all they sell. And like I said the short 3/4 inch work fine.

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post #5 of 20 (permalink) Old 12-15-2019, 08:02 PM
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Quote:
Originally Posted by marco View Post
all i can think of is that the 23 gauge pin nails that are 1-1/4" long are of a brand that don't work with your nailer.
agreed...

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post #6 of 20 (permalink) Old 12-15-2019, 08:37 PM
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@pusserboy

Stuart:

I checked the Grex web site on that nailer and the specs for the Fastner range shows 3/8 - 1 3/8 “excluding 1 1/4” pens. Seems a bit odd to me but that might well explain your problem.

Jon

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post #7 of 20 (permalink) Old 12-15-2019, 09:02 PM Thread Starter
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Thanks I'll try another size to see if it helps
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post #8 of 20 (permalink) Old 12-15-2019, 09:15 PM
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i have the Grex 650 shots up to 2” I only have used Grex pins
home depot for one sales them I do not believe they have a 1”1/4 pin
they are small and hard to see but one end is Chiseled and Has to be placed in a downward position
also you need to pay attention to air pressure longer pins harder wood more. more pressure
I’ve never had my Grex jam
lucky I guess
Anyone that has not used a 23 gauge pinner needs to realize that the little pins will follow the grain I’ve had them go in and make U turn also follow grain and come out the side
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post #9 of 20 (permalink) Old 12-15-2019, 09:40 PM Thread Starter
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I checked out the Grex site and when I was checking it out the info said they could take up to 1 1/4 inch pins.
Thanks Semipro I went to their site under products where they said that 1 1/4 was excluded
Thanks
Stuart
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post #10 of 20 (permalink) Old 12-16-2019, 12:44 AM
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That seems really odd. I'd love to hear the explanation for why not that size.
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Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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