S-93038A129 M4 x 10 mm DIN 551, ISO 4766 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for humid or corrosive environments without compromising fastener integrity.
• Precise Class 6g thread fit ensures reliable engagement and consistent clamping force, reducing assembly errors and rework.
• Coarse 0.7mm pitch right-hand thread enables quick installation and secure fastening in various industrial materials.
• Headless slotted design allows for flush mounting in tight spaces, minimizing protrusion and improving safety in moving assemblies.
• Flat tip geometry provides excellent surface contact and prevents damage to shafts or components during tightening.
• Compliance with DIN 551 and ISO 4766 standards guarantees dimensional accuracy and interchangeability for global engineering projects.
• RoHS 3 compliance meets environmental regulations, ensuring safe use in electronics and regulated industries.

Professional Applications & Engineering Value

This M4 brass set screw is engineered to address common industrial challenges like vibration loosening and material compatibility. The headless slotted design with a flat tip ensures secure, flush fastening in precision equipment, preventing accidental disassembly in dynamic applications. Made from durable brass, it resists galvanic corrosion when used with dissimilar metals, extending service life in electrical enclosures, machinery, and automotive assemblies. The coarse 0.7mm pitch metric thread and Class 6g fit provide excellent holding power in soft materials or pre-tapped holes, reducing installation time while maintaining reliable fastening solutions under stress. Ideal for securing gears, pulleys, and knobs, this screw delivers consistent performance in industrial applications requiring high precision and compliance.

Specification Summary & Compliance

This set screw features a Metric M4 x 0.7mm pitch right-hand thread with Class 6g tolerance for precise fit, and a length of 10mm. It conforms to DIN 551 and ISO 4766 manufacturing standards, ensuring dimensional accuracy and reliability. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(c) for lead in copper alloys, meeting environmental and safety requirements for industrial use.