S-93031A117 M12 DIN 439B, ISO 4035 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
- Left-hand thread design provides secure fastening in applications requiring reverse rotation or preventing loosening from standard right-hand rotation
- Thin profile (6mm height) offers space-saving installation where clearance is limited without compromising strength
- Precision Class 6H thread fit ensures reliable, vibration-resistant connections with consistent engagement
- Coarse 1.75mm pitch thread enables quick assembly and reduced cross-threading risk in demanding applications
- Standard-compliant manufacturing (DIN 439B, ISO 4035) guarantees dimensional accuracy and international interchangeability
- Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
This M12 left-hand hex nut delivers critical engineering solutions where standard fasteners fail. The 316 stainless steel composition provides exceptional pitting and crevice corrosion resistance, making it ideal for marine equipment, chemical processing plants, and food-grade machinery. Its thin hex nut profile addresses space-constrained assemblies while maintaining full external hex drive functionality for standard tool engagement. The left-hand metric thread specifically counters rotational loosening in machinery with reverse-torque components, while the coarse thread pitch ensures rapid installation in high-vibration environments. Meeting DIN 439B and ISO 4035 specifications, this nut provides guaranteed dimensional stability for precision assemblies across global engineering projects.
Specification Summary & Compliance
Manufactured to exact Class 6H thread fit tolerances per metric standards, this hex nut features M12 x 1.75mm coarse left-hand threads with 19mm width and 6mm height dimensions conforming to DIN 439B and ISO 4035 specifications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial fastener applications.
