Sheet metal screws, Self drilling
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Pan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a phillips screw driver. Self drilling screws have a drill bit point.
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Stainless steel 410
A stainless alloy that is harder than 18-8 stainless steel, but not as resistant to corrosion.
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Zinc plated steel
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
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Pan heads are slightly rounded with short vertical sides. Star drive is a Torx® compatible drive, designed to minimize the risk of cam-out (stripping). Self drilling screws have a drill bit point.
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Flat heads are countersunk (cone shaped under the head) with a flat top. Phillips drive is x-shaped for installation with a phillips screw driver. Self drilling screws have a drill bit point.
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Stainless steel 410
A stainless alloy that is harder than 18-8 stainless steel, but not as resistant to corrosion.
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Zinc plated steel
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
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Hex washer heads are six sided for use with a wrench and have a built in washer. Self drilling screws have a drill bit point.
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Stainless steel 410
A stainless alloy that is harder than 18-8 stainless steel, but not as resistant to corrosion.
-
Zinc plated steel
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
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Hex washer heads are six sided for use with a wrench and have a built in washer. An oversize self drilling point that is able to drill through thicker gauge steel.
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A hexagonal head for use with a wrench with a metal-backed neoprene sealing washer and a drill bit point. Self drilling screws have a drill bit point.
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Stainless steel 410
A stainless alloy that is harder than 18-8 stainless steel, but not as resistant to corrosion.
-
Zinc plated steel
A low carbon steel for general use. Zinc plated for moderate corrosion resistance.
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