Desciption
The JCP Metalfix MFH Heavy Section Self-Drilling Screws are the professional's choice for fastening directly into structural steel from 3.0mm up to 12.5mm thick. These heavy-duty tek screws combine drilling and tapping into a single, rapid action, dramatically increasing your on-site productivity.
Engineered for performance, each screw features a formidable No. 5 drill point that bites instantly into steel, clearing swarf efficiently to prevent binding and tip burnout. The case-hardened C1022 steel construction provides the exceptional strength and ductility needed to create a secure, reliable fixing every time.
Perfect for internal steel framing, securing brackets, assembling purlins, and general fabrication, these screws are the definitive solution for any job involving heavy-section steel. For other applications, explore our full range of Self-Drilling Screws.
| Part Number | Thread Diameter (d nom) mm | Length (L) mm | Point Type | Steel Thickness (t steel) | Max Fixture Thickness (t fix) mm | Description |
|---|---|---|---|---|---|---|
| MFH55022 | 5.5 | 22 | 4 | 3.0–6.0 | 5 | Heavy Section |
| MFH55032 | 5.5 | 32 | 5 | 4.0–12.5 | 5 | Heavy Section |
| MFH55040 | 5.5 | 40 | 5 | 4.0–12.5 | 13 | Heavy Section |
| MFH55050 | 5.5 | 50 | 5 | 4.0–12.5 | 23 | Heavy Section |
| MFH55060 | 5.5 | 60 | 5 | 4.0–12.5 | 33 | Heavy Section |
| MFH55070 | 5.5 | 70 | 5 | 4.0–12.5 | 43 | Heavy Section |
| MFH55080 | 5.5 | 80 | 5 | 4.0–12.5 | 53 | Heavy Section |
