Metal Screws
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Explore a wide range of self drilling metal screws and sheet metal screws for PEB buildings, steel structures, and industrial roofing. Roofix screws are engineered for high strength, corrosion resistance, and long-term performance — trusted by contractors across India.
Drills up to 4.5mm Screws
Designed for precision fastening, these metal to metal screws are ideal for fixing metal roofing sheets to structural steel members with a thickness of up to 4.5mm. Manufactured from case-hardened carbon steel (AISI 1022) and finished with a multi-layer Rust Shield Coating, it offers excellent corrosion resistance and strength. Tested to AS3566-2002 Class 3, it’s built to last in demanding industrial environments.
With a 12 Gauge – 14 TPI thread, this screw ensures strong grip and efficient penetration. It comes with a Hex Flange Head and is paired with either a DEKS True Blue EPDM Washer or Metal Bonded EPDM Washer for a secure, leak-proof seal.
Applications & Features:
- Suitable for metal-to-metal fastening on Z/C purlins, square pipes, and cold-formed steel sections
- Commonly used in roofing, cladding, and valley installations
- Available in lengths from 25mm to 135mm
- Compatible with Makita FS2700 or similar drill machines (max 2500 RPM)
- Delivers high pull-out strength, corrosion resistance, and long-lasting performance in steel roofing.
Drills up to 8mm Screws
Built for heavy-duty fastening, this variant of self-drilling screws is designed to drill through structural steel sections with a thickness of up to 8mm. Manufactured from case-hardened carbon steel (AISI 1022) and coated with Roofix’s proprietary Multi-Layer Rust Shield Coating, it delivers long-lasting corrosion resistance and structural strength. Compliant with AS3566-2002 Class 3, it’s ideal for industrial and commercial roofing applications.
The screw features a Hex Flange Head combined with a DEKS True Blue EPDM Washer or Metal Bonded EPDM Washer, offering superior weather sealing and leak protection. The 12 Gauge – 14 TPI thread provides secure grip and stable performance under high load. Ideal for commercial roofing applications using self tapping metal screws and cold-formed steel structures.
Applications & Features:
- Suitable for fastening roofing sheets to cold-formed steel structures up to 8mm thick
- Ideal for wall, valley, and cladding installation in steel buildings and PEB systems
- Available in lengths from 30mm to 90mm
- Recommended tool: Makita FS2700 or compatible drill machine (max 2500 RPM)
- Ensures deep drilling capability, clean finish, and strong anchoring in structural steel
Drills up to 12mm Screws
Designed for heavy structural applications, this self-drilling screw variant from Roofix is engineered for heavy-duty metal screws fastening into thick hot-rolled steel members with thicknesses of up to 12mm. Crafted from case-hardened carbon steel (AISI 1022) and protected with a Multi-Layer Rust Shield Coating, it complies with AS3566-2002 Class 3, ensuring long-term corrosion resistance and structural integrity.
Equipped with a Hex Flange Head and paired with a DEKS True Blue EPDM Washer or Metal Bonded EPDM Washer, the screw provides superior sealing and fastening strength in high-load environments. The fine 24 TPI thread ensures smooth penetration through thicker structural steel sections.
Applications & Features:
- Ideal for fastening on hot rolled steel like I-beam purlins, C channels, and thick steel supports
- Suitable for roofing, cladding, and valley applications in industrial buildings
- Drilling capacity: up to 12mm steel thickness
- Available lengths: 32mm to 130mm
- Recommended drill: Makita FS2700 or equivalent (max 2500 RPM)
- Delivers high drilling precision, strong hold, and leak-resistant performance
Stitch Screws for Metal Roofing
Designed for overlap joints, these stitch screws offer durable fastening in sheet metal roofing systems. Roofix Stitching Screws are specifically designed for sheet-to-sheet metal fastening — making them ideal for securing overlapping metal roofing sheets and panels. Manufactured from case-hardened carbon steel (AISI 1022) and finished with our signature Multi-Layer Rust Shield Coating, they are tested to AS3566-2002 Class 3 standards for excellent corrosion resistance and long-term durability.
These screws feature a Hex Flange Head and come with either a DEKS True Blue EPDM Washer or Metal Bonded EPDM Washer, ensuring tight sealing and weather protection at connection points. With a 10 Gauge – 16 TPI thread, they provide stable grip even in thin steel sheets.
Applications & Features:
- Ideal for stitching metal sheets together and attaching them to purlins
- Suitable for steel thickness ranging from 0.75mm to 4.5mm
- Commonly used in roofing laps, overlaps, and panel edges
- Available in lengths from 16mm to 25mm
- Recommended drill: Makita FS2700 or similar (max 2500 RPM)
- Ensures clean finish and reliable leak prevention at joint points
Wafer Head Self Drilling Screws
Roofix Wafer Head Screws are ideal for concealed clip locking systems where wafer head screws provide flush finish on metal studs and steel purlins. Made from case-hardened carbon steel (AISI 1022) and coated with our advanced Multi-Layer Rust Shield Coating, they are corrosion-resistant and tested to AS3566-2002 Class 3 for performance in harsh environments.
These screws feature a low-profile wafer head that provides a clean finish and wide bearing surface, minimizing material deformation. Available in 10G and 12G options with a fine 24 TPI thread, they ensure stable and secure fastening on structural components.
Applications & Features:
- Specifically made for fixing roof clips to secondary substrates
- Drilling capacity: suitable for steel thickness from 2.5mm to 12mm
- Ideal for concealed fix roofing systems and clip lock profiles
- Available lengths: 25mm to 32mm
- Works with Makita FS2700 or equivalent drill machines (max 2500 RPM)
- Provides flush fit and reliable hold without damaging roof components
CSK Head Screws
The CSK (Countersunk) Head Screws from Roofix are engineered for clean, flush surface fixing — ideal for securing board materials like fiber cement, calcium silicate, gypsum, and bison boards to steel purlins. Made from case-hardened carbon steel (AISI 1022) and finished with a Multi-Layer Rust Shield Coating, they are tested to meet AS3566-2002 Class 3 corrosion resistance standards.
Featuring an 8 Gauge – 18 TPI thread, these screws offer precise grip for thin materials and a smooth surface finish thanks to their countersunk head design. These sheet metal screws provide a clean finish for internal partitions in steel frameworks.
Applications & Features:
- Designed for direct fastening of board materials to steel purlins
- Perfect for interior partitions, cladding panels, and fiber cement boards
- Drilling capacity: up to 2mm steel thickness
- Available lengths: 25mm to 40mm
- Compatible with Makita FS2700 or equivalent (max 2500 RPM)
- Provides clean aesthetic finish with strong mechanical hold
Reason For Choosing Us
Trusted by infrastructure leaders and contractors across India, Roofix delivers fastening solutions that combine durability, precision, and long-term reliability. Here’s what sets us apart:
Quality Material
All screws and accessories are made from certified, case-hardened carbon steel with advanced Rust Shield coating.
Industry-Approved Assurance
Tested and compliant with AS3566-2002 Class 3 standards for corrosion resistance and structural performance.
Performance Guarantee
Engineered to perform in real-world construction environments — from roofing to steel frameworks — with consistent results you can count on.