This 4 x 16 mm hex head bolt has a domed cylindrical head and is made from steel. It is suited to assembling wood and metal, and works with Allen keys for tightening. Supplied as a pack of 15 for general fixing jobs.

• Domed cylindrical head, 4 mm diameter, 16 mm body length
• Compatible with Allen (socket) keys
• Suitable for wood and metal assemblies
• Pack of 15 pieces