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HANDAN HAOSHENG FASTENER CO., LTD.

Teflon Coated DIN 933 Hex Bolts China Factory and Leading Suppliers

Teflon Coated DIN 933 Hex Bolts China Factory and Leading Suppliers
High-performance DIN 933 Grade 6.8 Teflon coated hex bolts from a premier China factory. Our professional suppliers provide fully threaded, corrosion-resistant fasteners ideal for industrial machinery and construction.
  • Description

Our Teflon-Coated Hex Bolts are engineered for high-performance industrial applications where superior corrosion resistance and low friction are critical. Manufactured in accordance with strict DIN 933 standards, these fully threaded bolts provide a seamless blend of mechanical strength and surface protection, making them ideal for challenging environments in the structural metal fabrication industry.

Utilizing Grade 6.8 carbon or stainless steel, these fasteners are specifically treated with a premium Teflon coating to reduce galling and prevent chemical degradation. Whether you are securing heavy machinery or assembling structural frameworks, our bolts ensure consistent torque application and long-term reliability, reducing maintenance costs and enhancing system safety.

Detailed Parameters

MaterialCarbon Steel / Stainless SteelStandardDIN 933
Strength GradeGrade 6.8Tensile Strength600 MPa (Minimum)
Yield Strength480 MPa (Minimum)Size RangeM3 - M50
Surface FinishTeflon / ZP / YZP / Black / HDG / Dacromet / GeometLength Range15mm - 500mm
Thread DesignFully ThreadedSamplesAvailable upon request

Key Advantages

Superior Corrosion Resistance

The advanced Teflon coating creates an impermeable barrier against moisture and chemicals, preventing rust in harsh environments.

Low Friction Performance

Teflon reduces the coefficient of friction, ensuring smooth installation and preventing thread galling during tightening.

DIN 933 Compliance

Strict adherence to international metric standards ensures a perfect fit with standard nuts and washers worldwide.

High Ductility

Grade 6.8 steel offers excellent ductility, allowing the bolt to bend rather than snap under unexpected overload conditions.

Full Thread Versatility

The fully threaded shank allows for nut engagement at any point, providing maximum flexibility for various assembly depths.

Cost-Effective Strength

Provides the ideal balance of tensile strength and affordability for non-critical structural applications.

Product Gallery

Management Platforms

Inventory Control

Real-time tracking of all standard sizes from M3 to M50 to ensure immediate shipping.

Quality Assurance

Rigorous dimensional and mechanical testing per DIN specifications for every batch.

Order Monitoring

Transparent order status updates from production to final delivery at your site.

Coating Inspection

Specialized thickness checks for Teflon layers to guarantee maximum chemical resistance.

Logistics Optimization

Strategic packaging to prevent surface scratches and optimize shipping volume.

Compliance Tracking

Digital certification archives for easy access to material and strength reports.

Investment Return Comparison

FeatureStandard Grade BoltsOur Teflon-Coated BoltsBusiness Value
Corrosion LifeLow to MediumExtremely HighLower replacement cost
Installation SpeedStandardFaster (Low Friction)Reduced labor hours
Maintenance CycleFrequentExtendedHigher machine uptime
Failure RiskSnapping riskDuctile BendingIncreased safety margin
Initial CostLowModerateHigher long-term ROI

Frequently Asked Questions

Q: What are the primary benefits of Teflon coating over zinc plating?

Teflon coating provides significantly higher chemical resistance and a much lower coefficient of friction compared to zinc plating, which prevents thread galling and ensures more accurate torque tensioning.

Q: Is Grade 6.8 strength sufficient for structural metal manufacturing?

Yes, Grade 6.8 is ideal for general industrial and structural applications where extreme high-tensile strength is not required but good ductility and shock absorption are beneficial.

Q: Which nuts are compatible with DIN 933 hex bolts?

We recommend using DIN 934 or ISO 4032 nuts of the same or higher grade to ensure a secure and standardized fit.

Q: What is the maximum length available for these bolts?

Our standard production range extends up to 500mm in length, covering a wide array of structural and mechanical needs.

Q: Do you provide certifications for material strength?

Yes, all our products undergo rigorous mechanical and dimensional testing, and we can provide the corresponding quality certifications upon request.

Q: How does the "Fully Threaded" design help in installation?

A fully threaded design allows the nut to be tightened at any point along the bolt length, providing versatility for varying material thicknesses and simplifying the assembly process.

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