DIN 6923 Hexagon Nut with Flange Manufacturer | Serrated Flange Nuts | Metric Hex Flange Nut | GFM-WCR System

Factory：

our own factory

Samples：

Hexagonal Nut Bolt samples are free

MOQ：

1000PCS

Packing：

ctn, plt or according to customer's requirements

Email：

eric@lzfasteners.com

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Email: eric@lzfastenercom

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Phone: +86 18830006928 15350500528

Detail

DIN 6923 Hexagon Nut with Flange Manufacturer | Serrated & Non-Serrated

LONGZE high-performance DIN 6923 Hexagon Flange Nuts are engineered to eliminate the need for separate washers, providing a larger bearing surface and superior load distribution. As a vital node in the LONGZE GFM-WCR System, these nuts are available with smooth or serrated bearing faces to prevent loosening under intense vibration. Our manufacturing process ensures Class 8 and 10 property levels, making them ideal for automotive chassis, solar racking, and heavy industrial assembly lines where efficiency and vibration resistance are paramount.

🛡️ LONGZE ENGINEERED FASTENING SYSTEM

Optimal factory-direct assembly for flange-integrated metric environments:

🔹 Primary Bolt: DIN 6921 (Flange Bolt) | ISO 4162 | ASME B18.2.3.4M
🔹 Standard Support: DIN 933 | ISO 4017 | ASME B18.2.1
🔹 Locking Alternative: DIN 985 (Nyloc) | ISO 7040 | ASME B18.16.6
🔹 Mapping Node: EN 1661 | ISO 4161 | ASME B18.2.4.4M

LONGZE GLOBAL FASTENERS STANDARDS SYSTEM

Engineering Standard Mapping Layer (DIN ➔ ISO ➔ ASME)

Dimensional Mapping
DIN 6923 ➔ ISO 4161 (Ref) ➔ ASME B18.2.4.4M

Technical Property Mapping
DIN EN 1661 ➔ ISO 898-2 ➔ ASTM A563M

LONGZE Technical Specification & Performance Lab

1. Technical HUB

Range	M4 to M20
Property Class	8, 10, 12
Standards	DIN \| ISO \| ASME
Face Type	Serrated / Smooth

2. Surface Lab

Zinc Plating	ISO 4042 (White/Yellow)
Zinc Flake	ISO 10683 (Non-Electrolytic)
Hot Dip Zinc	ISO 1461 / 10684

3. QC Lab

Proof Load	ISO 898-2 Certified
Serration Hardness	Verified Surface Treatment
Certifications	Full MTC 3.1 Traceability

📊 DIN 6923 Dimensional Matrix (Hex Flange Nuts)

Thread Size (d)	M5	M6	M8	M10	M12	M14	M16	M20
Flange Dia (dc) max	11.8	14.2	17.9	21.8	26.0	29.9	34.5	42.8
Height (m) max	5.0	6.0	8.0	10.0	12.0	14.0	16.0	20.0
Across Flats (s)	8.0	10.0	13.0	15.0	18.0	21.0	24.0	30.0

📥 DOWNLOAD OFFICIAL TECHNICAL DATA SHEET (TDS)

LZ-TDS-DIN6923-2026-V1.0.pdf

Customized Fastening Solutions & Drawing Support

📐

Send us your assembly requirements for optimized flange locking solutions.

📩 eric@lzfasteners.com

* Professional factory-direct consultation based on ISO/DIN/ASME.

🛡️ LONGZE STRATEGIC RISK MANAGEMENT & RESILIENCE

RISK MITIGATION PROTOCOLS

Loosening Risk: Serration depth control to ensure biting force on mating surfaces.
Material Risk: Steel chemical verification to maintain ISO 898-2 Class 10 integrity.
Surface Risk: Salt spray testing (NSS) for coatings per ISO 9227 standards.
Compliance Risk: Full dimensional verification against DIN 6923 / ISO 4161 gauges.

SUPPLY CHAIN RESILIENCE

Inventory Buffer: Stock maintained for M6-M16 high-tensile flange nuts.
Volume Ready: Multi-station cold heading for high-precision flange integration.
Redundancy: In-house automated tapping and locking face serration processing.
Transparency: Digital batch tracking from raw material to final container loading.

🛡️ LONGZE RED-LINE POLICY

Quality Guarantee: All DIN 6923 shipments are guaranteed for dimensional and mechanical compliance. Any failure to meet TDS specifications results in 100% replacement.

🚢 LOGISTICS RISK MANAGEMENT

Seaworthy Packaging: Heavy-duty reinforced cartons and pallets with moisture barriers to ensure pristine thread quality upon global arrival.

DIN & ISO Technical FQA

❓ Q: When should I use serrated vs. smooth flange nuts?

A: Serrated nuts (DIN 6923) are ideal for applications with high vibration where the nut needs to "bite" into the surface. Smooth flange nuts are used where surface damage/scratching must be avoided.

🔄 Q: How does DIN 6923 relate to ISO 4161?

A: ISO 4161 is the modern international equivalent. While broadly similar, some dimensions for width across flats (e.g., M10, M12) may differ. LONGZE ensures compliance with whichever standard is mandated by your TDS.