Engineered for extreme performance tolerances under high stress, corrosive environments, and temperature thresholds from -270℃ up to 1200℃.
In modern structural design, precision is not a luxury; it is the fundamental boundary between reliability and catastrophic component failure. Among the vast array of fastening instruments, the 1-1/2 inch (1 1/2") self-tapping screw occupies a vital niche. Designed to generate its own mating thread during insertion, this particular size variant represents an optimal balance between structural depth penetration and mechanical shear resistance. For sectors operating in high-demand environments—ranging from marine engineering and petrochemical plants to heavy rail transport systems—securing components with exact-fit self-tapping fasteners is a critical technical requirement.
Procuring industrial-grade fasteners involves far more than picking catalog items. Sourcing departments at multinational enterprises look beyond unit pricing to evaluate factors like tensile margin stability, alloy chemistry consistency, and anti-corrosive passivation coatings. A failure in a batch of fasteners costing pennies can lead to millions in downtime or equipment loss.
In global supply chains, China has evolved from a producer of commodity fasteners to a major source of high-precision components. Beiersdorf Industrial Technology (Shanghai) Co., Ltd. has stood at the center of this transformation since 2015, manufacturing specialized fasteners and ultra-high precision parts. For critical applications, companies need vendors capable of supplying specialized alloys—such as Titanium Grades 2 and 5, Inconel 718, and Super Duplex Stainless Steels—machined to precision geometries and backed by raw material traceability.
Standard carbon steel is insufficient for extreme chemical exposures or sub-zero cryogenic setups. High-performance projects require specific metallurgy:
How Beiersdorf ensures absolute quality control, technical R&D, and warehouse resilience.
We have formulated the most stringent sampling inspection system, utilizing digital profiling and mechanical tests to strive to achieve zero defects for all products leaving our factory.
Our entire group currently holds more than 100 utility model patented products and eight core invention patented products, driving continuous product innovation.
We manage nearly 100,000 product models, maintaining 500 tons of special raw materials and 10,000 tons of finished stainless steel standard parts in stock for fast delivery.
Established in 2015 in Shanghai, China, Beiersdorf Industrial Technology (Shanghai) Co., Ltd. is an enterprise specialized in high-performance fasteners and ultra-high precision components.
Operating under the business philosophy "Product quality is the foundation for an enterprise's survival" and our guiding motto "Heart to sunshine, everything to prosperity", we deliver specialized fastening solutions to partners globally.
With our 2,535 m² production base, modern testing lab, and experienced engineers, Beiersdorf serves industries from shipbuilding and high-temperature petrochemical processing to rail transit and electronics.
Select from our specialized materials and design lines engineered for demanding industries.
-270℃ Low-temperature Fasteners
Titanium Alloy Fasteners
Cobalt Alloy Fasteners
Nickel Alloy Fasteners
1900 MPa Tensile Strength Fasteners
1200℃ High-temperature Fasteners
Designed for sensitive electronic components, medical diagnostics (MRI), and specialized naval mine countermeasures where low magnetic signature is required.
Includes super-duplex steels, Monel, and Hastelloy grades, formulated to withstand severe localized pitting and crevice corrosion.
Lightweight options including PEEK, PVDF, and PTFE fasteners, providing excellent insulation and chemical resistance.
Approved by major Classification Societies for naval vessels, offshore platforms, and critical marine hull construction.
High tensile strength wire produced from specialized raw materials, maintaining structural resilience under high cycle fatigue.
Ultra-high precision CNC turned and milled components designed for semiconductors, aerospace systems, and medical devices.
Where our fasteners support critical mechanical systems globally.
Our fasteners are widely used in shipbuilding and oceanography engineering—including special ships, marine propulsion systems, yacht manufacturing, offshore oil drilling platforms, submarine pipelines, and offshore wind power. Product types include A4-80, A5-80, D8-80, D6-70, 2205, L7, 40CrNiMoA, and 718 steel structure connection pairs certified by international classification societies.
Used in wind turbine structural connections, nuclear containment hardware, and high-pressure steam turbines where structural fatigue resistance and creep strength are required under continuous heat and mechanical load cycles.
Engineered to withstand the constant vibrations and shear stresses of high-speed rail lines, bogie assemblies, and overhead power linkages.
Supplying non-magnetic, highly conductive, or insulated fastening options to prevent signal disruption in server cabinets, radar installations, and 5G base stations.
Resistant to high chemical exposure, acid gas concentrations (Sour Gas service), and high pressure/temperature process conditions.
When specifying a 1-1/2" self-tapping fastener, engineers must calculate the balance between thread formation and pull-out resistance. Standard self-tapping screws function via two primary mechanisms: thread-cutting (Type F, Type 23, Type 25) and thread-forming (Type AB, Type B).
For critical assemblies, the pilot hole diameter is key. If the hole is too small, insertion torque can exceed the torsional strength of the fastener, causing head shear during installation. If the hole is too large, the mating thread depth is reduced, compromising pull-out strength.
In high-tensile fasteners (tensile strength exceeding 1000 MPa), hydrogen embrittlement is a primary failure mode. During chemical processes like acid pickling or electroplating, atomic hydrogen can migrate into the metal lattice, causing sudden structural cracking under load.
Beiersdorf addresses this risk with post-coating baking procedures to expel hydrogen. We also offer mechanical plating and organic zinc-flake coatings (such as Dacromet or Geomet) to achieve up to 1000 hours of neutral salt spray testing without inducing hydrogen embrittlement.
Beiersdorf provides technical consultation and guidance for fasteners, including material selection during design stages, installation specifications, and maintenance reviews.
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Beiersdorf (Shanghai) was founded in 2015. We are a company with a global perspective dedicated to providing professional fastener solutions. Fasteners, as the most basic and common mechanical pa...
Supplying precision hardware and fasteners to industrial hubs globally.
Our distribution network serves industrial hubs in Europe, North America, Southeast Asia, and the Middle East, ensuring prompt customs clearance and regional compliance.
Get answers to critical technical questions regarding materials, certifications, and high-performance fasteners.
Further product lines from our Shanghai production base, designed for specialized industrial sectors.
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