#12 Phillips Flat Head Self Tapping Sheet Metal Screws Stainless Steel All Sizes

Description

#12 Phillips Flat Head Self Tapping Sheet Metal Screws Stainless Steel
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.
SHEET METAL SCREWS HAVE SHARP THREADS THAT CUT INTO MATERIALS SUCH AS:
Plastic
Plexi glass
Wood
And of course sheet metal
Sheet metal screws are also the go to fasteners for use with plastic wall anchors in drywall.
Tapping screws are considered externally threaded fasteners that "tap" their own mating threads in metallic and non-metallic (such as plastic) materials.
Tapping screws, especially Type A, are referred to as "sheet metal screws" because one of their first applications was in ventilation ducts made of sheet metal.
They also make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.
Phillips drive is x-shaped for installation with a phillip screw driver.
The design is often criticized for its tendency to cam out at lower torque levels than other "cross head" designs.
There has long been a popular belief that this was actually a deliberate feature of the design, for the purpose of assembling aluminum aircraft without over tightening the fasteners.
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.
The screws in this auction are not "Self Drilling" and do require a pilot hole for a thick gauge material
General Product Information
Flat Head Screws Length is
Measured
from the top of the
Head to the Tip
Head Style : Flat Countersunk
Drive Style : Phillips
Drive Size : #3
Screw Size : #12
Material : Stainless Steel Grade 18-8
Overall Length : Select Desired Length From Drop Down Menu
Quantity of Fasteners in Package : Select Desired Item Package Quantity From Drop Down Menu
Detailed Product Information:
Head Diameter : 0.412"
Head Height : 0.132"
Countersink Angle : 82 Degree
Thread Diameter : 0.216"
Thread Coverage : Fully Threaded
Point Style : Type A 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 pattern that forms its own threads in the material it is being screwed into and is mainly used for attaching 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 gauge sheet metal but will require a pilot hole for a thicker gauge 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 environment and will withstand the test of time
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