20″ #15 extra heavy-duty roofing fasteners (250/box)

These extra heavy-duty #15 self-drilling roofing fasteners are designed for securing roofing assemblies and insulation/plates to compatible roof decks. The 20-inch length supports thick roof builds, while the corrosion-resistant coating helps protect performance in demanding rooftop environments.

Key Features:

• Extra Heavy-Duty Holding Power: Oversized heavy shank and deep buttress threads are designed to increase pullout and backout resistance
• Self-Drilling Point: Mini drill point penetrates compatible decks quickly without predrilling
• Corrosion-Resistant Coating: CR-10 coating is designed to resist red rust and exceeds FM Approval Standard 4470 (per published product data)
• Long-Length Roof Build Support: 20-inch fasteners accommodate thicker roofing/insulation assemblies
• Bulk Box Quantity: Supplied 250 fasteners per box for jobsite efficiency

Specifications Table:

Frequently Asked Questions (FAQ):

Q: How many fasteners are included?
A: 250 fasteners per box.

Q: What drive/head style do these fasteners use?
A: #3 Phillips truss head (bit included per published product data).

Q: Are these self-drilling?
A: Yesthese are self-drilling roofing fasteners.

Q: What roof decks are these intended for?
A: Published application data lists use for certain light-gauge steel, OSB/plywood, and aluminum roof decks; follow project specifications and manufacturer requirements.

Q: What is the minimum required penetration?
A: Published guidance indicates 3/4 in. minimum penetration for steel/aluminum and OSB/plywood, and 1 in. minimum embedment for wood plank decks (verify per system approval and local requirements).

The Hidden Backbone of a Flawless Roofline

Theres a quiet luxury in infrastructure you never seebut always feel. These extra heavy-duty, self-drilling fasteners bring a confident, engineered grip to high-build roofing assemblies, anchoring layers with a clean, purposeful precision. Pair them with approved plates and a disciplined fastening pattern for a finish that reads seamless from the street and performs brilliantly up close. Its the kind of behind-the-scenes rigor that makes a space feel truly elevated.

Choose these 20-inch extra heavy-duty roofing fasteners to secure thick roof assemblies with dependable self-drilling performance and corrosion-resistant protection.