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#8 Oval head phillips drive self tapping screws made of stainless steel. Sometimes called sheet metal screws or self tappers, these fasteners are common for home repairs as well as installing hardware on your boat. Oval head screws are used primarily for trim work or anywhere a smooth top is desired. The slightly rounded head projects above the finished surface and prevents the snags that occur when a flat head screw is not fully countersunk. Use where appearance is a factor.
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Self Tapping screws are designed for use in sheet metal but are great for mounting hardware onto laminates, wood, and for many other applications. Self tapping or sheet metal screws have a deep thread that goes all the way up the shank to the head. All of our Self Tappers have an A point.
Self Tapping Screws
MET / STD:
will this screw penetrate an aluminum plate 1/4 thick ?thanks
Not without a pilot hole
You would have to drill a fairly large hole to do that and I don't know how strong the threads would be in that instance.
Not without help. It will need a pilot hole as big as the minor thread diameter(hold a drill bit up to the screw and if it is as large as the shank it will work) and some bar soap rubbed on the threads.
Depending on the type of aluminum and with the correct size pilot hole it would be possible. Not knowing what you are trying to achieve you may also consider an 8-32 machine screw and tapping a thread into the plate, or thru hole with a nut on the back.
Not sure, I used them on an aluminum boat. The thickness was a lot less than 1/4". They worked great for it.
It's a self tapping screw meaning it will make it's own threads in a hole. It does not make it's own hole in aluminum. You must drill a hole in aluminum for these screws.
GREGORY V PENCHEFF
When I need more screws I will buy more screws!!
Screws are a wonderful invention for attaching things to wood or fiberglass. S/S Screws are great in the marine environment, however it will take several years to see how well they stand up to these conditions
Self Tapping S/S Screws
I ordered a variety of screws and you had them all, in quantity and at much better prices than other popular marine stores. It sure beats going to a walk in store and not finding what you want. I buy 100 screw boxes-they don't go bad.
Great for mounting deck hardware
Great for mounting deck hardware---avoids the burring and scarring associated with chrome plated brass.