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V-nail sizes

aaziz58601

Grumbler in Training
Hey friends, I need to make an initial order of v-nails for my CS88 underpinner. Can you please make suggestions as to what sizes I should order and what sizes make up the bulk of the work. Also any suggestions regarding hardwood vs softwood v-nails? Thanks!
 
888

tedh

SPFG, Supreme Picture Framing God
7, 10 and 15 will handle just about any molding. I went with hardwood only, years ago, and haven't had a problem. Hardwood nails are the only ones to use if you're joining plastic.
 

Larry Peterson

PFG, Picture Framing God
The moulding will tell you which to use. I stock 7, 10, 12 and 15mm. The 15mm in both hardwood and softwood. I choose a vnail that will use up most of the height of the moulding up to about 3/16 to 1/8" from the top. If the moulding is very tightly grained, I might choose less to prevent blowout.

Don't use a hardwood vnail on a softwood. One of my distributors recently changed a moulding I use a lot from hardwood to softwood. It is a flat black 1 1/4" that joined great for many years using the hardwood nails. After the change to a softwood, it joined poorly with gaps where there were none before. Switching to a softwood vnail it went back to a great join.

Bottom line, analyze each moulding before joining and select the appropriate one for it. I use more 15mm than any other with 12, 10 and 7mm following in order.
 

artfolio

SGF, Supreme Grumble Framer
I used 7, 10, 12,and 15mm and carried both hard and softwood in each size.

The difference between hard and softwood v nails is allegedly that the softwood ones have a finer point, designed to slice easily into the wood. The hardwood ones have a blunter point and stiffer metal is used.

Softwood v nails put into a hard moulding will bend backwards excessively and stacking them may cause the point to break out the back of the moulding. Hardwood v nails used in softwood will compress the fibres ahead of the point and may cause gapping at the top of the join.
 

prospero

SPFG, Supreme Picture Framing God
I have just started using a CS88 after 35 years of using a Euro 8001, which took only 7 and 10 mm v-nails.
15mm is near enough 2x7mm to make any difference to me. I rarely stacked more than two nails.

As for the hardwood thing (as opposed to hard wood), I rarely used these and never stacked them. For a deep
moulding in hard wood I tended to put one 7mm nail in and then cross-nail near the top using conventional nails
and a good old hammer and punch.

btw. I have successfully refilled a Cassese plastic cartridge with the Cassese 'Universal' nails that I was using in the Euro pinner. ;)

btw2. The 3mm v-nails are handy to have for slips.

btw3. If I was using a lot of hard woods on a regular basis, I would invest in a Hoffman machine rather than
use hardwood v-nails.

btw4. Botanically speaking, Hardwoods are any deciduous tree. Softwoods are coniferous. So some Softwoods
are harder than some Hardwoods. Balsa is a Hardwood. :) Select v-nails going by the literal hardness.
 
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