Best Insulation Screws in 2026

General purpose screws with low profile, washer-like head

For use with thin metal applications and duct work

Self-piercing point eliminates need for pre-drilling

The button head scoket screws are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

Head Diameter : 0.312 Inch; Head Height : 0.087 Inch; Pitch Size : 32 TPI Coarse; Drive Size : 3/32 Inch.

The button head socket screws are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

MewuDecor screws are great for use with sheet metal and wet environments. They are strong, corrosion proof, and will support all of your project purposes.

T-Star Washer Head Screw: These T-star Washer Head screws are made of carbon steel and feature High Corrosive resistant (HCR) coating which makes these screws ideal for use in treated lumber and exterior applications

Grade 5 Durability: SPAX T-star Screws heat treated to improve strength and reduce breakage. These superior quality screws are great for both interior and exterior applications

Patented Thread Technology: Featuring SPAX patented thread technology, these wood screws require no pre-drilling, and drive faster and easier than conventional lags and other structural lag screws. T-Star plus head provides superior bit engagement

T-Star Washer Head Screw: These T-star Washer Head screws are made of carbon steel and feature High Corrosive resistant (HCR) coating which makes these screws ideal for use in treated lumber and exterior applications

Grade 5 Durability: SPAX T-star Screws heat treated to improve strength and reduce breakage. These superior quality screws are great for both interior and exterior applications

Patented Thread Technology: Featuring SPAX patented thread technology, these wood screws require no pre-drilling, and drive faster and easier than conventional lags and other structural lag screws. T-Star plus head provides superior bit engagement

T-Star Screw: The trend setting low profile built-on washer head design offers a contemporary & sleek finished installation. Excellent draw down strength without the need for a separate washer delivers superior clamping ability and 40% less driving torque

Heat Treated Grade 5 Durability: Stay Stronger for Longer! Subjecting the PowerLag screw to heat treating gives greater strength and reduces breakage. Tested under the toughest scenarios to give you confidence in every connection

Check out our Threads: Our patented thread technology allows the washer head screw to be driven faster, is easier to install, and reduces splitting in wood. Let SPAX take some of the hassle out of your next project. The item includes a bit in the pail

FINE CRAFTED PIERCING JEWELRY: Our genuine diamond cartilage and lip studs are proudly crafted in the US by our crew of master jewelers.

GENUINE DIAMOND: This stunning gold nose ring features a 3.0mm hand set I1 clarity and J-K color, diamond made to last a lifetime. We use only certified conflict free diamonds.

SIZE & FIT: The extra low profile setting ensure the nose ring fits snuggly against your skin. The 3.0mm diamond is hand mounted. This stunning piece is ideal for those looking for tiny nose rings and demand USA quality and craftsmanship. 20 Gauge (0.8mm) - Total length is 1/4 (6mm) with a twist corkscrew design.

FINE CRAFTED PIERCING JEWELRY: Our genuine diamond nose studs are proudly crafted in the US by our crew of master jewelers.

GENUINE DIAMOND: This stunning gold nose ring features a 1.7mm hand set I1 clarity and J-K color, diamond made to last a lifetime. We use only certified conflict free diamonds.

SIZE & FIT: The extra low profile setting ensure the nose ring fits snuggly against your skin. The 1.7mm diamond is hand mounted. This stunning piece is ideal for those looking for tiny nose rings and demand USA quality and craftsmanship. 20 Gauge (0.8mm) - Total length is 1/4" (6mm) with a twist corkscrew design.

Made of 100% Grade 10.9 Alloy Steel which offers a high level of chemical and corrosion resistance.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

Thread Diameter: 3/8"; Head Diameter 0.656"; Head Height 0.199"; Screw Length 3/4"; Thread Count: 16; Allen Hex Drive 7/32".

Lag Screw: The trend setting low profile built-on washer head design offers a contemporary and sleek finished installation. Excellent drawdown strength without the need for a separate washer delivers superior clamping ability and 40% less driving torque

Heat Treated Grade 5 Durability: Stay Stronger for Longer! Subjecting the PowerLag screw to heat treating gives greater strength and reduces breakage. The washer head screw is tested under the toughest scenarios to give you confidence in every connection

Check out our Threads: Our patented thread serration technology allows the corrosion-resistant screw to be driven faster, easier to install, and reduces splitting in wood. Let the SPAX FACTOR take some of the hassle out of your next project

Exterior grade code compliant wood screws

Low profile flat head design minimizes interference with connectors and finish materials

Comparable to 1/2" lag screws

T-Star Screw: The trend setting low profile built-on washer head design offers a contemporary & sleek finished installation. Excellent draw down strength without the need for a separate washer delivers superior clamping ability and 40% less driving torque

Heat Treated Grade 5 Durability: Stay Stronger for Longer! Subjecting the PowerLag screw to heat treating gives greater strength and reduces breakage. Tested under the toughest scenarios to give you confidence in every connection

Check out our Threads: Our patented thread technology allows the washer head screw to be driven faster, is easier to install, and reduces splitting in wood. Let SPAX take some of the hassle out of your next project. The item includes a bit in the pail

The button head socket screws are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

MewuDecor screws are great for use with sheet metal and wet environments. They are strong, corrosion proof, and will support all of your project purposes.

The button head socket screws are 100% Stainless Steel 18-8 (304) which offers a high level of chemical and corrosion resistance. The corrosion proof steel, makes them last much longer than screws made of common materials.

The low profile of the socket button head makes a very clean looking, and offers a much larger contact surface.

Thread Diameter 0.3125"; Head Diameter 0.547"; Head Height 0.166"; Screw Length 1"; Allen Hex Drive 0.187" (3/16").