About Tapping Screws
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About Flat Head Screws
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Tamper-Resistant Drilled Spanner Flat Head Screws
These screws have a tamper-resistant drilled spanner drive, which makes them difficult to remove without special tools. For installation tools, see tamper-resistant drilled spanner drivers and bits. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic. They’re angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.
Screws with an undercut profile have a shallow head for use in thin materials.
For technical drawings and 3-D models, click on a part number.
Drilled Spanner Rounded Head Screws for Sheet Metal
Install and remove these screws with a tamper-resistant spanner driver. Made from 18-8 stainless steel, they are chemical resistant and may be mildly magnetic. They penetrate 0.025" and thinner sheet metal. Length is measured from under the head.
For technical drawings and 3-D models, click on a part number.
Drilled Spanner Flat Head Screws for Sheet Metal
Install and remove these screws with a tamper-resistant spanner driver. They're beveled under the head for a flush finish in countersunk holes. Made from 18-8 stainless steel, these screws are chemical resistant and may be mildly magnetic. They penetrate 0.025" and thinner sheet metal. Length is measured from the top of the head.
For technical drawings and 3-D models, click on a part number.