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Self-Drilling Countersunk Screws Zinc Plated For Metal, Wood & PVC
Self-Drilling Countersunk Screws Zinc Plated For Metal, Wood & PVC
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Achieve fast, professional results on your next project with our Self-Drilling Countersunk Screws. Engineered with a hardened drill point, these versatile fasteners eliminate the need for pre-drilling, saving you valuable time and effort when fixing into metal, wood, or PVC. The countersunk head ensures a perfectly flush, clean finish every time, making them the ideal choice for window installation, cladding, general construction, and precision DIY tasks. As a true self-drilling screw, it creates its own hole and thread in one action, offering a significant advantage over standard self-tapping screws that often require a separate, pre-drilled pilot hole.
Key Features & Benefits
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Time-Saving Self-Drilling Point: A hardened, fluted drill point powers through light-gauge steel and other materials, combining the actions of drilling, tapping, and fastening into one single, efficient operation. No pilot hole is required, dramatically speeding up installation.
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Flawless Flush Finish: The precision-engineered countersunk head sits perfectly level with the material surface, providing a neat, professional, and snag-free finish ideal for aesthetic applications and for mounting hardware on top.
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Durable & Corrosion Resistant: Protected by a bright zinc plating (BZP), these screws are shielded from rust and corrosion, ensuring a long-lasting and reliable fixing in indoor or sheltered outdoor applications.
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High-Strength Grip: The sharp, coarse threads are designed to bite securely into sheet metal and other materials, providing excellent holding power and high pull-out resistance for a strong, permanent fixture.
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Versatile Application: An indispensable fastener for a wide range of tasks. Ideal for fastening metal sheets, window and door frames, timber to light section steel, HVAC components, and general fabrication projects.
Common Applications
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Metal Roofing & Cladding Panels
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Installation of PVC and Aluminium Window & Door Frames
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HVAC Ducting and Component Assembly
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General Metal Fabrication and Assembly
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Securing Timber Battens to Light-Gauge Steel Studs
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Electrical Enclosures and Trunking
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DIY Garage, Workshop, and Greenhouse Construction
Technical Specification Table
|
Specification |
Detail |
|
Head Type |
Countersunk |
|
Drive Type |
Phillips (PH2) |
|
Material |
C1022 Hardened Carbon Steel |
|
Finish / Coating |
Bright Zinc Plated (BZP) |
|
Diameter (Thread) |
4.2 mm |
|
Thread Type |
Self-Tapping / Coarse |
|
Drill Point |
No. 2 Hardened Drill Point |
|
Drilling Capacity (Steel) |
1.2 mm - 3.5 mm |
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