S-93038A155 M8 x 12 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Corrosion-resistant brass construction ensures long-lasting performance in humid or demanding industrial environments.
• Precise Class 6g thread fit guarantees reliable, secure fastening with minimal risk of loosening under vibration.
• Flat tip design provides excellent grip and prevents damage to shaft surfaces during installation.
• Headless, slotted drive style allows for flush mounting in tight spaces and easy adjustment with standard tools.
• Coarse M8 x 1.25mm thread pitch enables quick assembly and disassembly, improving operational efficiency.
• Compliance with DIN 551 and ISO 4766 standards assures consistent quality and dimensional accuracy for global applications.
• RoHS 3 compliance with lead exemption for copper alloys meets environmental regulations without sacrificing material integrity.

Professional Applications & Engineering Value

This M8 brass set screw is engineered to address common challenges in precision machinery, electrical enclosures, and automotive assemblies where corrosion resistance and reliable positioning are critical. The headless design with a slotted drive allows for seamless integration into confined spaces, preventing protrusion issues. Made from durable brass material, it effectively resists galvanic corrosion when paired with dissimilar metals, extending service life in harsh conditions. The flat tip and Class 6g metric thread ensure a firm hold on shafts and collars, minimizing slippage and maintaining alignment in high-vibration environments. Ideal for securing gears, pulleys, and knobs, this screw delivers consistent performance in applications demanding repeatable fastening and compliance with international standards like DIN 551 and ISO 4766.

Specification Summary & Compliance

This set screw features an M8 x 1.25mm coarse pitch right-hand thread with a Class 6g thread fit per ISO metric standards, ensuring precise tolerances for secure engagement. The 12mm length and flat tip provide optimal contact for set screw applications. Manufactured to meet DIN 551 and ISO 4766 specifications, it guarantees dimensional consistency and performance reliability. Additionally, the product is RoHS 3 (2015/863/EU) compliant under exemption 6(c) for lead in copper alloys, adhering to environmental and safety regulations.