
Mule-Hide 3-1/2 in #14 HDP Fasteners (Self-Drilling Screws), 1,000 per Box - SKU 08MHHD312
Mule-Hide HDP #14 x 3-1/2 in Fasteners (1,000/Box)
Mule-Hide HDP fasteners are self-drilling #14 screws designed for securing roofing insulation, cover boards, and base sheets. The 3-1/2 in length helps achieve reliable attachment into compatible wood and steel decking for commercial roofing assemblies.
Key Features:
- Roofing Attachment Fastener: Engineered to attach insulation, cover boards, and base sheets in roofing systems
- Self-Drilling Design: HDP #14 fastener style streamlines installation on compatible decks
- Commercial Deck Compatibility: Intended for wood and steel decking (16–22 gauge steel)
- Bulk Pack Convenience: Supplied 1,000 fasteners per box for jobsite efficiency
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Mule-Hide Products |
| SKU | 08MHHD312 |
| Product type | HDP fastener (self-drilling screw) |
| Screw size | #14 |
| Length | 3-1/2 in |
| Package quantity | 1,000 per box |
| Unit of measure | Box (BX) |
| Application | Attaches insulation, cover boards and base sheets to wood and steel decking |
| Steel deck compatibility | 16 to 22 gauge |
Frequently Asked Questions (FAQ):
Q: What is this fastener used for?
A: It’s engineered to attach insulation, cover boards, and base sheets to wood and steel decking in roofing assemblies.
Q: What deck types and steel thickness does it work with?
A: It is intended for wood decking and steel decking from 16 to 22 gauge.
Q: How many fasteners come in a box?
A: 1,000 fasteners per box.
Q: What size/length are the fasteners?
A: #14 diameter, 3-1/2 in length.
The Invisible Workhorse Behind a Perfectly Finished Roofline
Great design starts with what you don’t see—structure, precision, and confidence in every layer. These Mule-Hide HDP fasteners bring that quiet, engineered strength to roofing assemblies by securing insulation and boards with a clean, self-drilling install. Use them to build a foundation that feels seamless and considered, so the final surface reads crisp and intentional. It’s the kind of detail that makes performance feel luxurious.
Stock up on Mule-Hide 3-1/2 in #14 HDP fasteners to speed installation and secure roofing layers with confidence.
Original: $288.35
-70%$288.35
$86.51Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Mule-Hide HDP #14 x 3-1/2 in Fasteners (1,000/Box)
Mule-Hide HDP fasteners are self-drilling #14 screws designed for securing roofing insulation, cover boards, and base sheets. The 3-1/2 in length helps achieve reliable attachment into compatible wood and steel decking for commercial roofing assemblies.
Key Features:
- Roofing Attachment Fastener: Engineered to attach insulation, cover boards, and base sheets in roofing systems
- Self-Drilling Design: HDP #14 fastener style streamlines installation on compatible decks
- Commercial Deck Compatibility: Intended for wood and steel decking (16–22 gauge steel)
- Bulk Pack Convenience: Supplied 1,000 fasteners per box for jobsite efficiency
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Mule-Hide Products |
| SKU | 08MHHD312 |
| Product type | HDP fastener (self-drilling screw) |
| Screw size | #14 |
| Length | 3-1/2 in |
| Package quantity | 1,000 per box |
| Unit of measure | Box (BX) |
| Application | Attaches insulation, cover boards and base sheets to wood and steel decking |
| Steel deck compatibility | 16 to 22 gauge |
Frequently Asked Questions (FAQ):
Q: What is this fastener used for?
A: It’s engineered to attach insulation, cover boards, and base sheets to wood and steel decking in roofing assemblies.
Q: What deck types and steel thickness does it work with?
A: It is intended for wood decking and steel decking from 16 to 22 gauge.
Q: How many fasteners come in a box?
A: 1,000 fasteners per box.
Q: What size/length are the fasteners?
A: #14 diameter, 3-1/2 in length.
The Invisible Workhorse Behind a Perfectly Finished Roofline
Great design starts with what you don’t see—structure, precision, and confidence in every layer. These Mule-Hide HDP fasteners bring that quiet, engineered strength to roofing assemblies by securing insulation and boards with a clean, self-drilling install. Use them to build a foundation that feels seamless and considered, so the final surface reads crisp and intentional. It’s the kind of detail that makes performance feel luxurious.
Stock up on Mule-Hide 3-1/2 in #14 HDP fasteners to speed installation and secure roofing layers with confidence.














