Cup Square Carriage Bolts & Hex Nuts - Zinc

A domed head bolt with a square anti spin shoulder mainly used for clamping timber or attaching ironmongery to timber.

NOTE: Nuts included and markings visible on the domed head. All sizes up to and including 150mm are fully threaded and lengths 160mm and above all have 150mm thread length.

• Manufactured from grade 4.8 carbon steel