#12 x 4" Phillips Flat Head Sheet Metal Screws Stainless Steel Qty 25

Description

#12 x 4" Phillips Flat Head Sheet Metal Screws Stainless Steel Qty 25
Flat head has a flat top and a taper. Flat heads are designed to be used in a countersunk hole. Sheet metal screws have sharp threads that cut into a material such as sheet metal, plastic or wood. They also make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.
About Self tapping Screws
A self-tapping screw is a screw that can tap its own hole as it is driven into the material.
Some self-tapping screws are also self-drilling, which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a center drill.
These screws in this auction are not "Self Drilling" and do require a pilot hole for a thick gauge material
General Product Information
Head Style : Flat
Drive Style : Phillips
Drive Size : #3
Thread : #12
Overall Length : 4"
Quantity of Fasteners in Package : 25
Detailed Product Information:
Head Diameter : 0.412"
Head Height : 0.132"
Countersink Angle : 82 Degree
Thread Diameter : 0.216"
Thread Coverage : Full Thread
Thread Length : 3.868
Point Style : Self-Tapping
Key Notes:
Flat head stainless screws made of a highly corrosion resistant grade 18-8 stainless steel with a flat top that tapers down to a cone shape at an 82 degree and will sit flush into a countersunk hole giving a finished appearance; 82 degree is the most common countersink screw head angle for machine screws with a flat head
Phillips flat head sheet metal screws with a self tapping thread patern that forms its own threads in the material it is being screwed into and is mainly used for attatching two pieces of metal together but also works great in wood and plexiglass because of the coarse thread
These flat head screws will have no problem punching through a thin or light guage sheet metal but will require a pilot hole for a thicker guage metal
Made from stainless steel grade 18-8 which offers a high level of chemical and corrosion resistance that will out perform and out last all zinc plated fasteners for years with out the need to perform costly and time consuming maintenance; 18-8 stainless steel flat head sheet metal screws are a better choice than 410 self drilling screws in out door applications that will be visible because unlike 410 stainless with a high iron content these screws have a low iron content and will not rust or turn red
Fastenere brand stainless steel sheet metal screws offer the corrosion resistance and strength that makes them the best choice for an application that is exposed to a wet or damp enviroment and will withstand the test of time
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