S-93245A681 M20 x 40 mm DIN 913, ISO 4026 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Rockwell C45 hardness ensuring excellent resistance to wear and deformation in demanding applications
• Precise thread engagement with Class 5g6g thread fit providing reliable, vibration-resistant fastening for industrial machinery
• High-torque installation capability via the 10mm hex drive headless design, allowing for flush mounting and secure tightening
• Optimized for coarse thread applications with M20 x 2.5mm pitch enabling quick assembly and reduced cross-threading risks
• Exceptional material durability from alloy steel construction offering high tensile strength and long-term performance in harsh environments
• Global compliance assurance meeting DIN 913 and ISO 4026 standards for consistent quality and interchangeability
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance ensuring safety in regulated industries

Professional Applications & Engineering Value

This M20 metric set screw delivers critical engineering value in applications requiring secure axial positioning of components on shafts, hubs, and collars. The alloy steel material combined with Rockwell C45 hardness provides exceptional resistance to shock loads and vibrational loosening, solving common failure points in rotating equipment and precision machinery. The headless hex drive design with 10mm drive size enables flush installation where protruding fastener heads are impractical, while the coarse thread pitch ensures rapid assembly in production environments. Manufactured to DIN 913/ISO 4026 specifications, these set screws maintain dimensional consistency for reliable performance in automotive, manufacturing, and heavy equipment applications where class 5g6g thread fit guarantees precise tolerance control.

Specification Summary & Compliance

This metric set screw features M20 x 2.5mm coarse thread spacing with Class 5g6g thread fit per ISO metric thread standards, ensuring precise dimensional accuracy. The 40mm length with flat tip provides consistent seating surface contact. Manufacturing complies with DIN 913 ISO 4026 specifications for dimensional and mechanical properties. Regulatory compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, confirming environmental safety for industrial distribution and use.