System of Measurement System of Measurement |
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Length Length | Show |
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Length Length | Hide |
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Tip Type Tip Type |
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![]() | Pointed |
For Use In For Use In |
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Screw Features Screw Features |
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![]() | Flanged |
Screw Size Screw Size |
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Threading Threading |
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![]() | Partially Threaded |
Material Material |
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Tapping Method Tapping Method |
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![]() | Thread Forming |
Finish Finish |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Drill Bit Decimal Size Equivalent Drill Bit DecimalSize Equivalent |
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Drill Bit Size Drill Bit Size |
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Flat Head Profile Flat Head Profile |
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![]() | Standard |
About Tapping Screws
More
Flanged Rounded Head Screws for Wood


With a low-profile rounded head that’s flanged to sit flush for a finished appearance, these screws press threads into wood on cabinets, trim, molding, and light duty framing. Because they’re flanged, they distribute pressure across a wide surface, creating a tight hold and eliminating the need for a washer. The Torx drive has more points of contact than Phillips, slotted, and square drives, so you can apply extra force without worrying about slipping or stripping. These screws have a zinc plating to resist corrosion in wet environments. To prevent splitting, drill a pilot hole slightly smaller than the screw. Length is measured from under the flange.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
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Length | Diameter | Height | Flange Thickness | Drive Size | Approximate Threads per Inch | Threading | Minimum Thread Length | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | ||||||||||
No. 8 | ||||||||||
3 1/8" | 0.43" | 0.09" | 0.05" | T15 | 15 | Partially Threaded | 2.087" | 100 | 000000000 | 000000 |
Flat Head Screws for Particleboard and Fiberboard

Beveled under the head for use in countersunk holes. Sharp, angled threads cut into particleboard, medium-density fiberboard (MDF), and hardboard such as masonite without splitting. Length is measured from the top of the head.
Black-oxide steel screws are mildly corrosion resistant in dry environments.
For technical drawings and 3-D models, click on a part number.
Head | |||||||||||
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Lg. | Dia. | Dia. Tolerance | Ht. | Drive Size | Drill Bit Size | Approximate Threads per Inch | Threading | Min. Thread Lg. | Pkg. Qty. | Pkg. | |
Black-Oxide Steel | |||||||||||
No. 8 | |||||||||||
3 1/8" | 0.332" | -0.04" | 0.1" | No. 2 | 5/64" | 11 | Partially Threaded | 2.09" | 50 | 000000000 | 000000 |