S-90270A693 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Precise component alignment ensured by the smooth, accurately machined 10mm diameter shoulder with a tight tolerance fit.
• High mechanical strength and durability from a 70,000 psi tensile strength and Rockwell B55 hardness, preventing stripping and failure under load.
• Reliable and secure fastening with a Class 6g metric coarse thread (M8x1.25), offering excellent vibration resistance in right-hand thread applications.
• Easy installation and removal using standard slotted and socket drive tools, saving time on assembly lines.
• Consistent performance and interchangeability due to strict adherence to metric dimensional standards for the thread and shoulder.
• Safe for regulated industries with full compliance to RoHS 3 and REACH environmental regulations.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to solve critical alignment and pivot point challenges in industrial applications. The 18-8 Stainless Steel body provides excellent resistance to rust and corrosion, making it suitable for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The precise shoulder (10mm diameter, 8mm length) acts as a built-in spacer or bearing surface, eliminating the need for additional components and reducing assembly errors. The Class 6g thread fit and coarse thread pitch ensure rapid installation and high vibration resistance, which is crucial for moving parts in conveyor systems or rotating fixtures. Its socket and slotted head offers flexibility for various tool types, enhancing maintenance efficiency in tight spaces.

Specification Summary & Compliance

This metric shoulder screw features an M8x1.25 coarse thread with a Class 6g thread fit and a right-hand direction. The shoulder has a diameter of 10mm (tolerance: -0.025 to 0 mm) and a length of 8mm (tolerance: 0 to 0.05 mm) for a precise fit. Manufactured from 18-8 Stainless Steel with a tensile strength of 70,000 psi and Rockwell B55 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.