Product Description: Self Drilling Metal Screws
Product Summary
Our Self Drilling Metal Screws combine drilling, tapping, and fastening into one quick operation. The hardened drill point cuts through light gauge steel, aluminum, and other metals without any pre-drilling. Designed for high-speed power tools, these screws reduce installation steps, eliminate chip cleanup, and deliver secure thread engagement. Available in multiple coatings for indoor or outdoor use, they are the standard choice for metal framing, roofing, and ductwork.
Technical Specifications
| Parameter | Specification Details |
|---|---|
| Fastener Type | Self Drilling Screw with Integrated Drill Point |
| Drill Point Types | Type 2 (0.5–2.0mm steel) / Type 3 (2.0–4.5mm steel) / Type 4 (4.5–6.0mm steel) |
| Thread Sizes | #6 to #14 (3.5mm to 6.3mm) |
| Length Range | 1/2" to 6" (12mm to 150mm) |
| Head Styles | Hex Washer / Flat Countersunk / Pan Head |
| Drive Types | Phillips / Pozidriv / Hex / Torx |
| Materials | Case Hardened Carbon Steel / Stainless Steel (410 / 304) |
| Surface Finishes | Zinc Plated / Yellow Dichromate / Dacromet / Geomert / PTFE Coated |
| Hardness (Core) | 35–45 HRC (min) |
| Hardness (Drill Point) | 55–60 HRC (min) |
| Tensile Strength | 100,000–150,000 psi (depending on grade) |
| Corrosion Resistance | Salt spray tested up to 1000+ hours with premium coatings |
| Standards | ASTM C954 / SAE J78 / DIN 7504 / ISO 10666 |
| Packaging | Bulk boxes / Plastic clips / Strip collated for auto-feed tools |
Product Applications
Steel Framing and Construction rely on these screws for fast, secure connections in light gauge metal.
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Attaching drywall tracks to steel studs
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Securing metal studs to runners and channels
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Fixing furring channels to structural steel
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Installing suspended ceiling grid systems
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Fastening bracing and bridging members
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Metal decking and floor underlayment attachment
Metal Roofing and Siding projects demand weather-resistant self drilling screws with sealing washers.
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Corrugated metal roof panel to purlin fastening
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Standing seam roof clip attachment
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Wall panel and siding installation
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Flashing and trim securement
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Insulated metal panel joining
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Agricultural building exterior cladding
HVAC and Ductwork benefit from fast installation and clean, chip-free fastening.
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Round and rectangular duct seam closure
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Hanger strap and support bracket attachment
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Access door frame mounting
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Vibration isolator connection
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Plenum and air handler assembly
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Chimney liner and flue pipe fastening
Automotive and Transportation use these screws for interior and underbody metal assemblies.
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Interior trim panel to steel body frame
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Underbody splash shield attachment
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Bracket and module mounting
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Trailer and cargo container assembly
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Truck bed liner and tool box installation
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RV and camper framing connections
Industrial and General Manufacturing choose self drilling screws for sheet metal assembly lines.
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Electrical enclosure and cabinet assembly
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Control panel backplate mounting
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Machine guard and safety cover fastening
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Storage rack and shelving unit construction
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Furniture frame assembly (metal to metal)
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Sign and display fixture fabrication
Product Advantages
Select Self Drilling Metal Screws to cut labor time and eliminate extra tools from your fastening process.
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No Pre-Drilling: Hardened drill point cuts through metal in one operation, saving up to 50% installation time
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Single Tool Required: One power driver does both drilling and driving, reducing tool changes
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Cleaner Work Area: Drilling produces chips that eject through flutes, leaving no debris on surfaces
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Consistent Thread Engagement: Threads tap immediately after drilling, creating full profile engagement
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Reduced Walking: Precision-ground point stays centered on starting mark, improving placement accuracy
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Material Versatility: Works on steel, aluminum, copper, brass, and stainless steel up to specified thickness
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Corrosion Options: Multiple coatings match indoor, outdoor, coastal, or chemical environments
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Strip Resistant: Case hardened core and optimized drive recess prevent cam-out and head damage
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Vibration Resistant: Thread geometry holds tight under machinery operation and wind loads
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Auto-Feed Compatible: Strip collated versions work with semi-automatic screw feeders for high volume work
Product Functions
Each Self Drilling Metal Screw performs four distinct actions during a single rotation sequence.
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Drill Point Penetration: Sharp fluted tip cuts a pilot hole through top metal layer using only downward pressure
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Chip Evacuation: Flutes channel metal shavings upward and away from the hole, preventing jamming
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Thread Tapping: Self-tapping threads follow the drill point, cutting mating threads into the hole wall
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Fastener Seating: Head configuration (hex, flat, or pan) tightens against material surface for clamp load
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Point Hardness Maintenance: Heat treated drill point stays sharp through multiple fastenings into rated gauge
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Core Toughness: Screw body resists torsion breakage even during high-speed power driving
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Anti-Skid Geometry: Serrated or flat bearing surfaces under head prevent loosening from vibration
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Sealing Option: Integrated EPDM or neoprene washer (on hex head models) compresses to seal moisture
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Thread Form Optimization: Deep, sharp threads maximize pull-out resistance in thin gauge metals
FAQ
1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.