Niedax FLM8X13F Hot-Dip Galvanized Steel Carriage Bolt M8 x 13 mm, Flat Round Head, Similar to DIN 603

Superior corrosion resistance meets precision engineering in the Niedax FLM8X13F carriage bolt. Hot-dip galvanized to withstand harsh outdoor and industrial environments, this M8 x 13 mm fastener features a flat round head and square neck for secure, rotation-free installation. Conforming to DIN 603 specifications, it delivers reliable performance for cable management systems and structural components.

Overview

The Niedax FLM8X13F is a high-quality carriage bolt with a flat round (mushroom) head and a square neck that prevents rotation during tightening. Manufactured from steel and hot-dip galvanized (feuerverzinkt), it offers exceptional corrosion resistance in demanding conditions. The bolt is similar to DIN 603, ensuring compatibility and performance. Its M8 metric coarse thread and 13 mm length make it suitable for a variety of fastening applications where a smooth, low-profile head is desired.

What stands out

• Hot-dip galvanized steel construction for superior corrosion resistance in outdoor and industrial settings.
• Flat round head with square neck to resist turning when tightening, simplifying assembly.
• Metric coarse thread M8 with 13 mm length, conforming to common DIN 603 specifications.
• High-strength steel with tensile strength class 4.6, ideal for general fastening tasks.
• Metallic grey/silver finish blends seamlessly with galvanized structures and cable trays.

Technical details

• Fastener type: Carriage bolt
• Head style: Flat round head (mushroom head)
• Thread size: M8
• Length: 13 mm
• Standard compliance: Similar to DIN 603
• Material: Steel
• Surface treatment: Hot-dip galvanized (feuerverzinkt)
• Corrosion resistance: High
• Drive type: Square neck (under head)
• Thread type: Metric coarse thread
• Tensile strength class: 4.6
• Application environment: Outdoor, industrial, corrosive environments
• Manufacturer Part Number (MPN): FLM8X13F
• Brand: Niedax
• Color: Metallic grey/silver

Our verdict

A robust and reliable carriage bolt built for the toughest conditions. Its hot-dip galvanized finish and DIN 603 similarity make it an excellent choice for professionals seeking durable fastening solutions in corrosive environments.