Collection: Star Head Screws - Low-Profile Torx Star Metal Roofing Screws

Our star head screws feature a low-profile torx star drive head designed specifically for metal roofing applications where a standard hex head would catch wind or interfere with roofing profile ribs. The #10 lo-profile star head screw uses a T25 torx recess and includes an EPDM washer bonded to a steel backing plate for a weatherproof seal. Self-drilling tip installs without pre-drilling. Color-matched painted heads closely match popular metal roofing brands.

Frequently Asked Questions

What is a lo-profile star head screw?

A lo-profile star head screw has a lower, flatter head than a standard hex head roofing screw. The star torx drive recess allows the head to be shallower while still transmitting full torque during installation.

What size torx bit do I use for star head roofing screws?

#10 lo-profile star head roofing screws typically use a T25 torx bit. Check the specific product listing for the exact drive size, as it varies by screw size and manufacturer.

Are star head screws better than hex head for metal roofing?

Star head screws offer a lower profile than hex heads, which some installers prefer aesthetically and for wind resistance. Both provide equivalent holding power and sealing when installed correctly.

What is the EPDM washer on a star head roofing screw?

The EPDM washer is a rubber disc bonded to a steel backing plate under the screw head. It compresses slightly during installation to create a watertight seal at the panel penetration point.

Do star head roofing screws self-drill?

Yes. The self-drilling tip penetrates both the metal panel and the wood framing beneath in one motion without pre-drilling.

What colors are available for star head roofing screws?

Color-matched painted heads are available in a wide range of standard metal roofing panel colors. See the color chart on the product listing to match your specific roofing brand.

What length star head screws do I need?

Screw length depends on the combined thickness of the metal panel plus the framing member. For standard 29-gauge metal panel over 2x wood framing, 1-1/2 inch screws are typical.

Can star head screws be used on corrugated metal roofing?

Yes. Low-profile star head screws are suitable for corrugated and ribbed metal roofing panels where a flush head profile reduces the exposed screw height above the panel surface.

How many star head screws do I need per square of roofing?

Approximately 80 to 100 screws per 100 sq ft of metal roofing is standard, with higher density at eaves, ridges, and edges where wind uplift is greatest.

What is the difference between a T-15 and T-20 star head screw?

T-15 and T-20 refer to the Torx drive size on the screw head. T-15 is used on smaller #8 and #10 screws; T-20 appears on larger sizes. Both are common in metal roofing applications.