Carriage Bolt Din 603 Grade 4.8 Hot Dip Galvanised (HDG)
Description Din 603 carriage bolts, also known as coach bolts, manufactured from carbon steel to property class 4.8 and finished with a hot dip galvanised (HDG) coating for enhanced corrosion protection in external environments. The smooth, domed head provides a neat, tamper resistant finish, while the square neck beneath the head prevents rotation during installation. Designed for use with a nut and washer, these fixings are well suited to structural and outdoor applications where durability is required.
Key Features
Manufactured to Din 603 standard
Carbon steel, property class 4.8
Hot dip galvanised coating for long term corrosion resistance
Domed head with square anti rotation neck
Designed for use with nut and washer
Suitable for external and heavy duty applications
Applications
Timber to timber and timber to steel fixings
Fencing, gates, posts, and outdoor structures
Construction and structural assemblies
Steel plates and brackets requiring a smooth head finish
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