Carriage bolt DIN 603 M6 – stainless steel A2

The DIN 603 carriage bolt in stainless steel A2 is a standardised fastener designed for timber-to-metal and timber-to-timber connections. It features a smooth, round head and a square neck that prevents rotation during tightening. Ideal for use in outdoor applications such as fences, gates, garden structures, and pergolas where corrosion resistance is essential.

Technical details:

• Product type: Carriage bolt / mushroom head bolt

• Standard: DIN 603

• Diameter: M6

• Lengths available: e.g. 40 / 60 / 80 mm

• Material: Stainless steel A2 (AISI 304)

• Finish: Uncoated, rust-resistant

• Head type: Round (mushroom-shaped)

• Neck: Square section under head for anti-rotation

• Thread: Metric, full-threaded or partially threaded depending on length

• Application: Outdoor timber joints, gates, fences, structures

• Assembly: Requires hex nut and washer (not included unless stated)

Packaging unit:
100 or 200 pcs per box (based on selected variant)

Key features:

• Complies with DIN 603 standard – ideal for wood connections

• Stainless A2 grade suitable for humid and outdoor environments

• Square neck prevents rotation in timber during tightening

• Smooth round head for tamper-resistance and aesthetic finishes

• Commonly used in fencing, gate hardware, and heavy timber joints