Zinc plated outer hexagonal drilling tail screws, as defined by standards such as DIN 7504K, are a type of self-drilling screw with a hexagonal head and a drilling point that allows for easy installation into various materials without pre-drilling.
Stainless Steel (304/316): Offers superior corrosion resistance and is suitable for moist or corrosive environments. The 316 grade has additional molybdenum, providing even better corrosion resistance, especially in marine applications.
Carbon Steel: Provides good strength and is the most common material for bolts. It may require additional surface treatments like galvanizing for increased corrosion resistance.
Alloy Steel: Offers enhanced strength and durability. It is often used in high-stress applications where high tensile strength is required.
Advantage:
Self-Drilling Capability: The drilling tail enables the screw to bore into materials as it is driven in, eliminating the need for separate drilling and tapping processes.
Hexagonal Head: Provides a large bearing surface for better torque transfer and reduces the risk of the tool slipping during installation.
Zinc Plated: Offers corrosion resistance, which is beneficial for outdoor applications or in environments where moisture is present.
Extended Length: Designed for use in applications where extra length is needed to reach through multiple layers or into deeper substrates.
Scope of Application
Construction: Used in construction projects for securing materials like formwork, safety barriers, and drywall tracks to concrete or metal structures.
Metalworking: Ideal for attaching metal sheets or components in fabrication processes where a strong and secure connection is needed.
Automotive Industry: Employed in the automotive industry for assembling car interiors and exterior components.
Renovation and Repair: Effective for renovation and repair work where existing structures need to be reinforced or secured with a strong and reliable fastening solution.
Machinery and Equipment Assembly: Used in the assembly of machinery and equipment where a strong and durable fastening solution is required.
Quality Certification
Hebei Bentley is ISO9001:2015 certified and equipped with relevant certificates for quality assurance. Due to its specific dimensions and performance levels, it is suitable for a wide range of industrial and commercial scenarios including, but not limited to: machine building, construction work, transport, energy industry, timber frame connections.
Quality inspection
Bentley has invested a huge amount of money to builda product testing laboratory, equipped with importedhigh-end instruments:such as thread comprehensivescanners, high temperature tensile testing machines,high frequency fatigue testing machines, etc., to ensurethat all products are strictly tested before leaving thewarehouse to ensure the reliability of customers duringuse.