S-90269A413 M27 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Precise component alignment ensured by the 50mm shoulder with tight diameter tolerance (-0.072 to -0.01 mm)
• High mechanical reliability with 70,000 PSI tensile strength and 35,000 PSI shear strength for demanding applications
• Secure installation and removal facilitated by the 14mm hex socket drive and knurled head texture
• Accurate thread engagement guaranteed by Class 5g6g metric coarse thread (M27x3mm) meeting international standards
• Enhanced durability from Rockwell B79 hardness, maintaining performance under repeated loads
• Regulatory compliance with RoHS 3 and REACH, ensuring safe use in regulated industrial sectors

Professional Applications & Engineering Value

This M27 shoulder screw delivers critical engineering value in precision alignment systems where component positioning is paramount. The 316 stainless steel material provides exceptional resistance to corrosive agents, making it suitable for chemical processing, marine equipment, and food machinery. The 50mm shoulder length with controlled tolerances acts as a precise pivot or spacer, eliminating misalignment in rotating assemblies and reducing wear on connected components. The knurled head offers improved grip during manual adjustments, while the hex socket drive ensures high torque transmission without slippage. With its Class 5g6g thread fit, it maintains consistent clamping force in high-vibration environments, solving common loosening issues in industrial automation and machinery manufacturing.

Specification Summary & Compliance

This metric shoulder screw features M27x3mm coarse threads with Class 5g6g tolerance per ISO standards, ensuring precise thread engagement. The shoulder diameter is manufactured to -0.072 to -0.01 mm tolerance with shoulder length held within 0 to 0.25 mm variation. Mechanical properties include 70,000 PSI tensile strength and 35,000 PSI minimum shear strength with Rockwell B79 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting international environmental and safety standards for industrial fasteners.