A Torx drive has more points of contact than a Phillips drive, allowing you to apply extra force with less slippage or damage to the recess. These screws are beveled under the head for use in countersunk holes. They cut threads in drilled holes as they’re turned, so they require less driving torque and cause less stress on your material than thread forming screws. A black-phosphate finish provides mild corrosion resistance in dry environments. Length is measured from the top of the head.

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Commonly used with door hinge hardware, these screws cut threads in soft material such as aluminum and brass. They're beveled under the head for use in countersunk holes. They are undercut to allow more threading. Screws cut threads in drilled holes as they’re turned, so they require less driving torque and cause less stress on your material than thread forming screws. Length is measured from the top of the head.

Zinc-plated steel screws resist corrosion in wet environments.

Brass, bronze, and chrome-plated steel screws have a bright and attractive finish. They're corrosion resistant in wet environments.

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18-8 stainless steel screws have good chemical resistance and are a good choice for ACQ-treated (arsenic-free) lumber. Also known as trim-head deck screws, they have a small flat head and slender shank to reduce the risk of splitting. The Type 17 auger point and narrow body penetrate softwood and plastic-wood composite decking material. They cut threads into drilled holes as they’re turned, so they require less driving torque and cause less stress on material than thread-forming screws. Screws may be mildly magnetic. Length is measured from the top of the head.

For technical drawings and 3-D models, click on a part number.