Non-Serrated Flanged Nylon Locking Nuts (DIN 6926) — Marine Stainless Steel A4 (SUS316)

FULLERKREG DIN 6926 hex flange nylon insert lock nuts in A4 marine-grade stainless steel (SUS316) offer superior corrosion resistance compared to standard A2 (SUS304), making them the preferred choice for offshore, marine, chemical, and coastal environments. The wide bearing flange distributes clamping load over a larger surface area, while the non-metallic nylon insert provides reliable prevailing torque locking without the need for thread-locking compounds. The smooth, non-serrated flange face protects sensitive mating surfaces from marking or galling. Manufactured to DIN 6926 / ISO 7044, passivated and bright-finished.

Key Specifications

A4 vs A2 — Why Choose Marine Grade?

Dimensional Data (DIN 6926) — mm

All dimensions per DIN 6926. Tolerances per ISO 4759-1.

* Unit weights are approximate reference values based on SUS316 density (7.98 g/cm³). Actual weight may vary ±5% due to nylon insert and manufacturing tolerances. Contact FULLERKREG for certified weight data if required.

Selection Guide

Standard Reference

These nuts are manufactured to DIN 6926 (Prevailing torque type hexagon nuts with flange and with non-metallic insert). For stainless steel grades, the equivalent reference is ISO 7044. DIN 6926 covers nominal diameters M5 through M20 (M22 in some editions). The prevailing torque element shape is at the discretion of the manufacturer per the standard. A4 (SUS316) stainless steel contains 16–18% Cr, 10–14% Ni, and 2–3% Mo, providing significantly enhanced resistance to pitting and crevice corrosion in chloride-rich environments compared to A2 (SUS304).

Related standards: ISO 7044 · DIN 985 (non-flanged nylon lock nut) · DIN 6923 (serrated flange version) · ISO 4759-1 (tolerances) · ASTM F594 (stainless steel nuts)

Product Gallery

DIN 6926 Non-Serrated Flange Nylon Lock Nuts — A4 Marine Stainless Steel

Why FULLERKREG

🏭 Direct Manufacturer — No middlemen. Factory-direct pricing on all standard and custom fasteners.
📐 DIN / ISO Precision — Every batch produced and inspected to DIN 6926 dimensional and mechanical requirements.
🔩 Full Material Traceability — SUS316 mill certificates, Mo content verification, and RoHS compliance documentation available on request.
📦 Flexible MOQ & Bulk Packaging — From sample packs to pallet quantities; custom labeling and kitting available.
🌍 Global Wholesale Supply — Experienced in export documentation, HS code classification, and international logistics.
⚡ Fast Quotation — Submit your BOM or inquiry and receive a competitive quote within 24 hours.