Mount DF Self Drilling Screws are fastening solutions manufactured from Carbon Steel C1022 and designed for metal-to-metal and sheet-to-structure applications. Featuring an integrated drill point, these screws eliminate the need for pre-drilling and enable direct fastening into metal substrates up to 4 mm thickness, they are zinc plated for corrosion protection and installed using a magnetic hex socket adapter.
Technical Specifications
| PARAMETER | SPECIFICATIONS |
|---|---|
| Material | Carbon Steel C1022 |
| Head Type | Hex Head, Hex Flange Head |
| Diameter | 4.8 mm, 5.5 mm, 6.3 mm |
| Length Range | 19 mm – 200 mm |
| Drilling Capacity | Up to 4 mm |
| Coating | Zinc Plated |
| Adapter Required | Magnetic Hex Socket |
Corrosion Classification
| Withstands 1000–1500 hrs Salt Spray Test (SST) |
|---|
| 15 Kesternich Cycles (SO₂ atmospheric simulation) |
| Acid-resistant top coat |
| Polysol zinc flake coat |
| Special zinc treatment |
| Carbon steel base |
Profile drawing
Key Performance Attributes
Self-Drilling Tip
Eliminates separate drilling operation for faster installation.
High Torsion Strength
Designed to withstand installation torque without failure.
Zinc-Plated Finish
Provides corrosion protection under standard environmental exposure.
Multiple Length Options
Available from 19 mm to 200 mm for varied fixing depths.
Applications
Bus Depots & Transport Terminals
Used for fastening metal roof sheets and structural cladding in covered transit structures.
Airport Hangars
Supports fastening of large-span metal roofing and wall systems in aviation maintenance facilities.
Retail Sheds & Showrooms
Applied in securing roof and façade cladding systems for steel-framed retail and commercial sheds.
Automotive Parking Structures
Used for fastening metal roofing sheets and structural cladding in covered car parking areas and vehicle shelter systems.
Pre-Engineered Buildings (PEB)
Enables direct fastening of roof and wall sheets to steel framing members.
Industrial Manufacturing Units
Secures metal cladding and structural sheet assemblies within production facilities.
Warehousing & Logistics Facilities
Supports installation of metal roofing and wall systems across large-span structures.
Infrastructure Projects
Fastens external metal panels used in utility and service buildings.
Commercial Complexes
Anchors façade and roofing sheet systems to structural steel frameworks.
Automotive Plants
Used for sheet-to-structure fastening in industrial assembly environments.
Engineering Workshops
Facilitates metal component fastening in fabricated steel structures.
Agricultural Processing Facilities
Provides reliable fixing for metal roofing and enclosure systems.
Frequently asked Question
They are manufactured from Carbon Steel C1022.
They are available in 4.8 mm, 5.5 mm, and 6.3 mm diameters.
They are designed to drill through metal substrates up to 4 mm thickness.
Lengths range from 19 mm to 200 mm.
Hex Head and Hex Flange Head variants are available.
The screws are zinc plated for corrosion protection.
No, the integrated drill point eliminates the need for pre-drilling.
A magnetic hex socket adapter is recommended.
Yes, they are used for metal roofing and cladding fastening.
The screws are designed with specified torsion strength values as per catalogue standards.
Mount Roofing And Structures Pvt Ltd
