Sheet metal screws
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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.
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Pan heads are slightly rounded with short vertical sides. Slotted drive has a simple slot for a flat bladed screw driver.
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Pan heads are slightly rounded with short vertical sides. Square drive is designed to reduce the risk of cam-out (stripping) and allow single-handed installation.
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Pan heads are slightly rounded with short vertical sides. Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.
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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.
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Stainless steel 18-8
The most common stainless steel for general hardware use.
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Stainless steel 316
A highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8.
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Zinc plated steel
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
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Flat heads are countersunk (cone shaped under the head) with a flat top. Slotted drive has a simple slot for a flat bladed screw driver.
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Flat heads are countersunk (cone shaped under the head) with a flat top. Square drive is designed to reduce the risk of cam-out (stripping) and allow single-handed installation.
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Flat heads are countersunk (cone shaped under the head) with a flat top. Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.
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Flat heads are countersunk (cone shaped under the head) with a flat top. Star pin-in is a tamper resistant drive that requires a special driver to install.
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Oval heads are countersunk (cone shaped under the head) with a rounded top. Phillips drive is x-shaped for installation with a phillips screw driver.
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Oval heads are countersunk (cone shaped under the head) with a rounded top. Slotted drive has a simple slot for a flat bladed screw driver.
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Oval heads are countersunk (cone shaped under the head) with a rounded top. Square drive is designed to reduce the risk of cam-out (stripping) and allow single-handed installation.
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Oval heads are countersunk (cone shaped under the head) with a rounded top. Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.
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Truss heads are wide with a low profile rounded top. Phillips drive is x-shaped for installation with a phillips screw driver.
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Truss heads are wide with a low profile rounded top. Spanner (a.k.a. snake eyes) is a tamper resistant drive that requires a special driver to install.
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Round heads are domed and look like half of a sphere. One way drive is installed with a flat bladed screw driver but cannot be removed without special tools.
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Button heads are rounded and low profile. Star pin-in is a tamper resistant drive that requires a special driver to install.
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A slotted hex washer head can be installed with either a wrench or a flat bladed screw driver, and has a built-in washer.
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Hex heads are six sided for use with a wrench.
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Self drilling screws have a drill bit point. Pan heads are slightly rounded with short vertical sides. Phillips drive is x-shaped for installation with a phillips screw driver.
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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
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
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Self drilling screws have a drill bit point. 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).
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Self drilling screws have a drill bit point. 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.
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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
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
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Self drilling screws have a drill bit point. A hexagonal head for use with a wrench.
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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
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
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A hexagonal head for use with a wrench, with a metal-backed neoprene sealing washer and 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
Heat treated for adequate strength. Zinc plated for moderate corrosion resistance.
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An oversize self drilling point that is able to drill through thicker gauge steel. A hexagonal head for use with a wrench.
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