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Jamestown Distributors(800) 497-0010
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#14 Silicon Bronze Frearson Flat Head wood screws appear similar to the Phillips head but the Frearson has a more pointed 75° V shape. The Frearson tool recess is a perfect cross which minimizes cam out, unlike the Phillips head, which is designed to cam out.
Traditional boatbuilders love these Silicon Bronze wood screws because they have cut threads and the full-bodied diameter shank. Unlike rolled thread screws with their reduced shank--these screws have a shank diameter that is the same size as the outside of the threads. This completely fills the clearance hole normally drilled for the shank thus creating a waterproof seal.
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Silicon Bronze is the traditional choice for marine construction. It is corrosion resistant, helps prevent rot around the screw holes when used under water, and is relatively strong. Although stronger than Solid Brass, Silicon Bronze screws are not as strong as Stainless Steel. They require a carefully sized pilot hole to avoid breakage. We recommend drilling twice (once for the root and once for the shank) as well as using a fastener lubricant to avoid breakage.
MET / STD:
For orders of 100 pces how do you calculate for this sum?
Generally for fasteners, they are pre-packaged, are counted by hand, or larger items can be counted based by weight.
JD Tech Associate
where can I buy just 2 #14-by inch and a half bronze screws?
why just 2 ????And if you only need 2 why ask, go to a marine store and buy 2
So far I have only found Jamestown Distributors to have bronze screws so I would have to say purchase your two screws there. You might need more someday so get 25. The cost won't bankrupt you.
Top notch fasteners
I would try the Chandlery at the Wooden Boat Foundation in Port Townsend, WA
for a # 12 FREARSON WOOD SCREW WHICH IS THE CORRECT BIT?I HEARD THAT THERE IS A ONE SIZE FITS ALL BITTHANKS
Also, Jamestown only carries a #1 and #2, but there are #3 and #4 available elsewhere
I used a single #2 bit for screws from #8 to #14. It seemed to work fine.
You will need a Frearson bit for these screws. The #12 should work fine. I'd suggest buying several since the do wear out. The Frearson bit has a slightly different shape than the phillips head although they are, to first order, interchangeable. Unlike the philips bit, the Frearson will make positive contact with the screw even if its too small, you just end up with less contact area and therefore less available torque transfer. The bronze is soft and you will want every advantage especially if you are using them on hard woods such as oak. Remember to predrill with a countersinking bit before trying to drive these screws. Good luck.Pete
I only used the one size screw, so I can't say for sure; one would think that a 12 would us the same bit as a 14.Google "Frearson bits"Sorry I can't be of more help. If you are ordering from Jamestown, have them send the bit with the screws.Jay
Hi I am using a frearson #2 to drive 13\4 #14 brz. wood srews. No problems Looked for but could not find a #3 frearson bit. Good luck. Joe
I also purchased the Frearson bits you sell for use in a power drill but in the end most of the driving of these very large woodscrews is by hand. I use a standard phillips head screwdriver (because that is what I had) but the #14 screws were standard woodscrews so I used a large flat-bladed driver. I must say that I am not aware of different size frearson bits. The phillips screw heads are usually no. 2 or for smaller sizes no. 1
There are two sizes of drivers for Frearson silicon bronze wood screws:#1 for sizes 4 through 6#2 for sizes 8 - 16
There is a specific frearsen driver for these screws. Generally there is only one size available which works better on the smaller screw sizes. I have an older driver I purchased years ago which is much bigger than the typical and fills the whole cross slot on a number 14. See if you can find the larger bit but if not you still need a frearsen. Hop this helps
The #3 bit is correct. There is no one size fits all but the # 3 will work for a wide range of screws like #6 through #14.
All the bits will fit, but I think you'll find the #2 bit to be good for the #12 screw.
Frearson cut thread screws
These wood screwa are being used for fastenings where frames are being replaced and sistered. They are a wire size larger than the old fastenings which is a standard step, insuring that they will have sufficient bite and holding power.
Standardl fastening fn classic wood boat
Silicon bronze fastenings are of the technology in use for many decades to build and repair or restore wooden vessels. New construction is easiest- but the refastening is tricky in extracting old screws which must be replaced. I find that Frearson style are easier to drive and extract than the single flat head slot.