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 20
- Marine grade 316 stainless steel for superior corrosion resistance for extremely harsh environments.
- Conforms to DIN 931.
- Metric thread.
- Hex head.
- Nuts included.
