S-90278A743 M3.5 Shoulder Screws
Shoulder Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Precise component alignment ensured by the 30mm shoulder with tight length tolerance (±0.05mm)
- High tensile strength of 70,000 psi provides reliable performance in heavy-duty applications
- Secure and efficient installation with the 2.5mm hex socket drive, minimizing tool slippage
- Accurate and consistent thread engagement due to Class 6g thread fit for metric assemblies
- Durable and wear-resistant material with Rockwell B55 hardness for long service life
- Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe usage
Professional Applications & Engineering Value
This M3.5 shoulder screw is engineered to address critical alignment and durability challenges in industrial machinery. The 30mm shoulder length with precise tolerances provides a stable pivot or spacer, reducing wear on moving parts and ensuring accurate assembly in applications like rotating shafts, linkages, and precision instruments. Made from 18-8 stainless steel, it offers excellent corrosion resistance, which is vital for equipment exposed to moisture or chemicals. The coarse M3.5x0.6 thread and Class 6g fit enable quick, secure fastening, while the socket head design allows for compact installations in tight spaces. Ideal for automotive, electronics, and manufacturing sectors, this shoulder bolt enhances operational reliability and reduces maintenance needs.
Specification Summary & Compliance
This precision shoulder screw features a shoulder diameter of 5 mm with a tolerance of -0.025 to 0 mm and a shoulder length of 30 mm with a tolerance of 0 to 0.05 mm, ensuring high dimensional accuracy. The thread is metric M3.5x0.6 with a Class 6g fit and right-hand direction, conforming to standard metric threading practices. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for industrial use.
