silicon bronze wood screws flat head slotted or straight slot #4
  • silicon bronze wood screws flat head slotted or straight slot #4

#4 Bronze Wood Screws Flat Head Slotted

#4 Flat head slotted bronze wood screws. 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. Remember to drill a body hole for the screw shank and a pilot hole for the threads. All screws are threaded for 2/3 of the shank.
(1 bx contains 100 ea) IN STOCK - Available for pickup
$6.96 / bx
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Tech Spec Product Info User Generated Content
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 screw lubricant to avoid breakage.
Driver: Slotted
Fastener Type: Wood Screws
Head: Flat Head
MET / STD: Standard
Metal: Silicon Bronze
Type: Screws Bolts
3.3 3

Jamestown has done better in the past


The screws were on back order and, as of the time the order was changed a week later, still had not come in. The replacement order for #4 x 3/4" bronze screws arrived promptly and as described.I needed them to complete the rudder mounting on my sailing canoe.


Basking Ridge, NJ


Excellent quality as always


Screws are of high quality--but head slots in different batches differ in widthAlso, I am still waiting for a number of screws that were backordered


Danville, VT


As described and just what I needed


As described. Great service [...]


Chapel Hill, NC


#4 Bronze Wood Screws Flat Head Slotted



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