Screws
OVERVIEW
High‑Purity Carbon Additives for Steel & Foundry
Carbon additives, also known as carbon raisers or recarburizers, are essential materials used to increase carbon content in molten metal during steelmaking and casting processes. Panson Global offers a comprehensive range of high-quality carbon additives designed to optimize steel production efficiency and quality.
Key Benefits
- Enhanced Steel Quality: Precise carbon content control for superior mechanical properties
- Cost Efficiency: Reduced production costs through optimized carbon addition
- Environmental Compliance: Clean production processes with minimal emissions
- Consistent Performance: Reliable chemical composition and rapid dissolution
- Global Standards: Compliance with international quality and safety standards
Self-Drilling Screws
Technical Specifications:
- Standards: GB15856, DIN7504, ISO15480
- Diameters: M4.2, M4.8, M5.5, M6.3, M8.0
- Length Range: 13-200mm
- Thread Type: Self-tapping thread
- Drill Point: Integrated drilling tip
Head Types:
- Hex Head: High torque applications
- Countersunk Head: Flush surface finish
- Pan Head: General purpose applications
- Washer Head: Built-in sealing washer
- Truss Head: Large bearing surface
Material Options:
- Carbon Steel: C1022, C1018
- Stainless Steel: 304, 316, 410
- Hardened Steel: Heat-treated for durability
Surface Treatments:
- Zinc Plated: Standard corrosion protection
- Dacromet: Superior corrosion resistance
- Geomet: Advanced coating technology
- Passivated: Stainless steel treatment
- Painted: Color-coded applications
Key Features:
- No Pre-drilling Required: Direct installation into metal
- Fast Installation: Reduced labor time
- Strong Holding Power: Excellent pull-out resistance
- Weather Resistant: Suitable for outdoor applications
- Vibration Resistant: Secure connection under dynamic loads
Applications:
- Metal Roofing: Steel and aluminum roof panels
- Cladding Systems: Building envelope applications
- HVAC Ductwork: Air conditioning and ventilation
- Steel Framing: Light gauge steel construction
- Industrial Equipment: Machinery and equipment assembly
Self-Tapping Screws
Technical Specifications:
- Standards: GB845, GB846, DIN7981, DIN7982
- Diameters: M2.2-M12
- Length Range: 6-150mm
- Thread Type: Type A (sharp point), Type B (blunt point)
- Point Types: Sharp, blunt, twin-lead
Head Configurations:
- Phillips Head: Cross-drive for general use
- Slotted Head: Traditional flat-blade drive
- Hex Head: High-torque applications
- Torx Head: Superior torque transfer
- Square Drive: Robertson drive system
Material Specifications:
- Carbon Steel: 1018, 1022 steel
- Stainless Steel: 304, 316, 410, 420
- Brass: Decorative and marine applications
- Aluminum: Lightweight applications
Thread Types:
- Type A: Sharp point for soft materials
- Type B: Blunt point for harder materials
- Type AB: Combination point design
- Twin-Lead: Faster installation
Applications:
- Plastic Assembly: Electronic housings, appliances
- Sheet Metal: Thin gauge metal fabrication
- Wood Applications: Furniture, cabinetry
- Automotive: Interior and exterior components
- Electronics: Equipment enclosures
Machine Screws
Technical Specifications:
- Standards: GB65, GB67, GB68, DIN84, DIN85
- Diameters: M2-M12
- Length Range: 4-100mm
- Thread Pitch: Metric coarse and fine threads
- Tolerance Class: 6g thread tolerance
Head Types:
- Pan Head: General purpose applications
- Flat Head: Countersunk applications
- Round Head: Traditional appearance
- Hex Head: High-torque requirements
- Socket Head: Precision applications
Drive Types:
- Phillips: Standard cross-drive
- Slotted: Traditional flat-blade
- Hex Socket: Allen key drive
- Torx: Star-shaped drive
- Pozidriv: Enhanced Phillips design
Material Options:
- Carbon Steel: Standard applications
- Stainless Steel: Corrosion resistance
- Brass: Electrical and marine use
- Nylon: Insulating applications
- Titanium: Aerospace and medical
Applications:
- Electronics: Circuit boards, equipment assembly
- Precision Machinery: CNC machines, instruments
- Automotive: Engine and transmission components
- Aerospace: Non-structural applications
- Medical Devices: Surgical instruments, equipment
Wood Screws
Technical Specifications:
- Standards: GB99, GB100, DIN97, DIN571
- Diameters: 3-12mm
- Length Range: 12-200mm
- Thread Type: Deep thread for wood engagement
- Point Type: Sharp gimlet point
Head Configurations:
- Countersunk Head: Flush installation
- Round Head: Surface mounting
- Pan Head: General purpose
- Hex Head: High-torque applications
- Washer Head: Large bearing surface
Material Specifications:
- Carbon Steel: Standard wood applications
- Stainless Steel: Outdoor and marine use
- Brass: Decorative applications
- Zinc Alloy: Corrosion resistance
Surface Treatments:
- Zinc Plated: Indoor applications
- Galvanized: Outdoor applications
- Brass Plated: Decorative finish
- Black Oxide: Mild corrosion protection
- Passivated: Stainless steel treatment
Applications:
- Construction: Framing, decking, siding
- Furniture: Cabinet and furniture assembly
- Marine: Boat building and repair
- Outdoor Structures: Fencing, pergolas
- Restoration: Historic building renovation
Drywall Screws
Technical Specifications:
- Standards: GB/T16824, ASTM C1002
- Diameters: 3.5-4.8mm
- Length Range: 25-75mm
- Thread Type: Sharp thread for drywall
- Point Type: Self-piercing point
Head Types:
- Bugle Head: Countersinks without tearing
- Flat Head: Traditional countersunk design
- Pan Head: Surface mounting applications
Applications:
- Drywall Installation: Wall and ceiling systems
- Metal Framing: Light gauge steel studs
- Insulation: Attachment of insulation materials
- Interior Finishing: Trim and molding installation
Concrete Screws
Technical Specifications:
- Standards: GB/T16823, DIN7505
- Diameters: 6-12mm
- Length Range: 40-200mm
- Thread Type: High-low thread design
- Point Type: Hardened drilling point
Key Features:
- Direct Installation: No anchors required
- High Holding Power: Excellent pull-out resistance
- Vibration Resistant: Secure under dynamic loads
- Removable: Can be removed and reinstalled
- Weather Resistant: Suitable for outdoor use
Applications:
- Concrete Anchoring: Equipment mounting
- Masonry Installation: Brick and block attachment
- Steel to Concrete: Structural connections
- Electrical Installation: Conduit and panel mounting
Roofing Screws
Technical Specifications:
- Diameters: 4.8-6.3mm
- Length Range: 19-150mm
- Washer: EPDM or neoprene sealing washer
- Point Type: Self-drilling point
- Thread: Self-tapping thread
Key Features:
- Weather Sealing: Integrated sealing washer
- Corrosion Resistant: Galvanized or stainless steel
- Color Matched: Available in various colors
- High Strength: Designed for wind loads
- Easy Installation: Self-drilling capability
Applications:
- Metal Roofing: Steel and aluminum panels
- Polycarbonate Sheets: Skylight and canopy installation
- Insulation Panels: Sandwich panel attachment
- Cladding Systems: Building envelope applications
FEATURED
Quality Process Visualization
Factory qualification and auditing
Production monitoring and control
Pre-shipment quality assurance
Arrival inspection and testing
Application-specific verification
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