Have a hexagonal head and depending on the length and diameter will have a plain shank between the base of the head and where the thread begins for use with a nut or in a tapped hole. Timber fasteners used when there is access to the rear of the substrate to attach a nut for extended holding power.

Features and benefits

• Pack of 25
• Grade 304 stainless steel for superior corrosion resistance for extremely harsh environments.
• Conforms to DIN 931.
• Metric thread.
• Hex head.
• Nuts included.