The ST Fastening #12 InsulDrill Metal Roofing Screw is built to meet the demands of commercial and industrial insulation applications. Whether you’re anchoring insulation boards to steel decks or securing metal panels to purlins, these screws are engineered for performance, strength, and longevity.

Designed with precision threading and a sharp self-drilling point, InsulDrill screws eliminate the need for pre-drilling—reducing labor time while delivering a tight, secure connection. Their corrosion-resistant finish stands up to harsh outdoor environments, making them ideal for both new construction and retrofit roofing projects.

These screws are compatible with a variety of substrates and insulation materials. Their wide range of available lengths ensures you’ll find the right fit for your insulation thickness and deck type. No matter the job site, the InsulDrill’s aggressive thread design and durable build give installers confidence with every drive.

Key Features:

• Self-Drilling Design: Cuts through metal with ease, no pre-drilling required.
• Durable Coating: Corrosion-resistant finish for long-term outdoor performance.
• Aggressive Threading: Ensures a firm grip in steel decking and purlins.
• Precision Fit: Compatible with a wide range of insulation boards and materials.
• Multiple Length Options: Choose the size that best fits your insulation thickness and application needs.

Applications:

• Securing insulation boards to steel or wood decking
• Commercial and industrial metal roofing systems
• New construction and roof retrofitting projects

Installation:

For optimal performance, use a screw gun with adjustable torque. Drive screws perpendicular to the surface until the washer compresses slightly. Avoid over-driving to maintain seal integrity. Always select the appropriate length based on insulation thickness and substrate type.

California Residents: WARNING