Niedax FLM8X25F-10 tornillo de cabeza redonda plana con tuerca de brida M8x25 mm acero galvanizado 100 uds.

The Niedax FLM8X25F-10 is a high-quality flat round head screw (carriage bolt) with a square neck, supplied complete with a matching hex flange nut. This fastening set is designed for secure and reliable connections in construction, woodworking, and metal profile applications. The screw and nut are made from galvanized steel, offering moderate corrosion resistance and a durable silver metallic finish. Each pack contains 100 pieces, making it ideal for professional and DIY projects.

Advantages

This screw and nut combination provides a strong, vibration-resistant joint thanks to the square neck that prevents rotation during tightening. The flat round head offers a low-profile finish, while the flange nut distributes load evenly, reducing the risk of damage to surfaces. The galvanized coating ensures long-lasting performance in indoor and sheltered outdoor environments.

Suitable for

• General fastening in construction and woodworking
• Securing metal profiles and brackets
• Furniture assembly and DIY projects
• Applications requiring a flush, low-profile head

Key specifications

• Thread Diameter: M8
• Screw Length (under head): 25 mm
• Head Type: Flat Round Head with Square Neck
• Material: Steel, galvanized (electro-galvanized)
• Included: Hex Flange Nut M8
• Standards: Screw DIN 603, Nut DIN 6923
• Strength Class: Screw 4.6, Nut 8
• Packaging Unit: 100 pieces
• Colour: Silver (Metallic)

Recommendations

For best results, use with a suitable washer if required. Ensure the square neck is fully seated in the material to prevent spinning. This product is not recommended for highly corrosive environments without additional protection.