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Mule-Hide 20 in. #15 Extra Heavy-Duty Self-Drilling Roofing Fasteners, 250/Box (08MHXH20)

Mule-Hide 20 in. #15 Extra Heavy-Duty Self-Drilling Roofing Fasteners, 250/Box (08MHXH20)

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:

Specification Details
Fastener size #15
Fastener length 20 in.
Point type Self-drilling
Head style #3 Phillips truss head
Thread length 4 in. (102 mm)
Thread diameter .265 in. (6.73 mm)
Head diameter .435 in. (11.04 mm)
Coating CR-10 corrosion resistant coating (less than 15% red rust after 30 Kesternich cycles; exceeds FM Approval Standard 4470 per published data)
Packaging quantity 250 per box
Unit of measure Box (BX)
Box weight 45 lb

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: Yes—these 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

There’s a quiet luxury in infrastructure you never see—but 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. It’s 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.

$360.93

Original: $1,203.11

-70%
Mule-Hide 20 in. #15 Extra Heavy-Duty Self-Drilling Roofing Fasteners, 250/Box (08MHXH20)

$1,203.11

$360.93

Product Information

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Description

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:

Specification Details
Fastener size #15
Fastener length 20 in.
Point type Self-drilling
Head style #3 Phillips truss head
Thread length 4 in. (102 mm)
Thread diameter .265 in. (6.73 mm)
Head diameter .435 in. (11.04 mm)
Coating CR-10 corrosion resistant coating (less than 15% red rust after 30 Kesternich cycles; exceeds FM Approval Standard 4470 per published data)
Packaging quantity 250 per box
Unit of measure Box (BX)
Box weight 45 lb

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: Yes—these 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

There’s a quiet luxury in infrastructure you never see—but 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. It’s 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.

Mule-Hide 20 in. #15 Extra Heavy-Duty Self-Drilling Roofing Fasteners, 250/Box (08MHXH20) | Super Arbor