Details Images
Products Description
Screw Technical Specifications
|
Parameter
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Standard Range
|
Custom Capability
|
Testing Standard
|
|
Material
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Carbon Steel(1008-1045), Stainless(304/316), Alloy Steel
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Special Alloys (Titanium/Nickel-based)
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ASTM A307, DIN 933
|
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Strength Grade
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Grade 4.8, 8.8, 10.9, 12.9
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Ultra-High Strength (Grade 14.9)
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ISO 898-1, SAE J429
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Surface Treatment
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Zinc Plated, Dacromet, Rustproof(Yellow/Blue), Black Oxide
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Nano Coating/Composite Coating
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ASTM B633, ISO 4042
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Corrosion Resistance
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72-1000 Hours Salt Spray
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2000+ Hours (Special Process)
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ASTM B117, ISO 9227
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Size Range
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M2-M24, #2-#12, Length 5-300mm
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Oversize M36, Length 500mm
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DIN 912, ASME B18.2.1
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Head Type
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Hex, Pan, Countersunk, Oval
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Special Heads (Tamper-proof/Decorative)
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DIN 7991, ISO 10642
|
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Thread Type
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Machine Thread, Self-tapping, Wood Thread
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Special Threads (Double-start/Variable Pitch)
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ISO 68, ASME B1.13M
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Drive Type
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Phillips, Slotted, Hex Socket, Torx
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Custom Drive/Anti-tamper Design
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DIN 34814, ISO 14579
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FAQ
1.What makes Rustproof coating superior to regular galvanization?
Our Rustproof technology features a triple-layer protection system: * Zinc-nickel alloy base for cathodic protection
* Nano-ceramic intermediate layer sealing microscopic pores
* Polymer top coat with UV resistance (yellow/blue color)
This provides 3-5× longer corrosion resistance (1000+ hours salt spray test) compared to standard galvanization which typically
offers only 250-500 hours protection.
2.What quality control measures do you implement?
As a professional fastener manufacturer since 2008, we enforce strict quality protocols: * Raw material inspection with
spectrometer analysis
* In-process dimensional checks every 2
hours
* 100% torque testing for drive systems
* Batch salt spray testing (ASTM B117
standard)
* Final random inspection before shipment
(AQL 1.0)
All processes are ISO 9001 certified with full traceability.
3.Can you customize screw specifications?
Yes, we offer comprehensive customization services: * Size customization: From #6 to #14 diameters (1"-6" lengths)
* Coating options: Yellow/Blue Rustproof, Dacromet, Geomet, etc.
* Drive types: Torx, Phillips, Square, Hex, or custom designs
* Packaging: PP boxes, jars, custom branding, or bulk packing
Minimum order quantity starts at 50,000 pieces with 15-25 day lead time.
4.What certifications do your products have?
Our screws meet international standards: * ISO 9001:2015 Quality Management System
* ASTM F1667 Standard Specification for Driven Fasteners
* RoHS 3 Compliance (Directive 2015/863)
* REACH SVHC Testing Report
* Specific country certifications available upon request
Test reports are available for all certifications.
5.What are your shipping and logistics capabilities?
We offer flexible global shipping solutions: * Standard delivery: 15-25 days by sea (FOB Jiangmen)
* Express options: DHL/FedEx air freight (5-7 days)
* Packaging: Weatherproof pallets with corner protection
* Customs support: Complete documentation package including CO, BL, and test reports
For North American customers: We ship 10 containers monthly to Long Beach port with consolidated LCL options.
Our Rustproof technology features a triple-layer protection system: * Zinc-nickel alloy base for cathodic protection
* Nano-ceramic intermediate layer sealing microscopic pores
* Polymer top coat with UV resistance (yellow/blue color)
This provides 3-5× longer corrosion resistance (1000+ hours salt spray test) compared to standard galvanization which typically
offers only 250-500 hours protection.
2.What quality control measures do you implement?
As a professional fastener manufacturer since 2008, we enforce strict quality protocols: * Raw material inspection with
spectrometer analysis
* In-process dimensional checks every 2
hours
* 100% torque testing for drive systems
* Batch salt spray testing (ASTM B117
standard)
* Final random inspection before shipment
(AQL 1.0)
All processes are ISO 9001 certified with full traceability.
3.Can you customize screw specifications?
Yes, we offer comprehensive customization services: * Size customization: From #6 to #14 diameters (1"-6" lengths)
* Coating options: Yellow/Blue Rustproof, Dacromet, Geomet, etc.
* Drive types: Torx, Phillips, Square, Hex, or custom designs
* Packaging: PP boxes, jars, custom branding, or bulk packing
Minimum order quantity starts at 50,000 pieces with 15-25 day lead time.
4.What certifications do your products have?
Our screws meet international standards: * ISO 9001:2015 Quality Management System
* ASTM F1667 Standard Specification for Driven Fasteners
* RoHS 3 Compliance (Directive 2015/863)
* REACH SVHC Testing Report
* Specific country certifications available upon request
Test reports are available for all certifications.
5.What are your shipping and logistics capabilities?
We offer flexible global shipping solutions: * Standard delivery: 15-25 days by sea (FOB Jiangmen)
* Express options: DHL/FedEx air freight (5-7 days)
* Packaging: Weatherproof pallets with corner protection
* Customs support: Complete documentation package including CO, BL, and test reports
For North American customers: We ship 10 containers monthly to Long Beach port with consolidated LCL options.
