Product Description
COUNTERSUNK CONCRETE SCREW 40mm x 75mm (Box 100)
6mm drill diameter, 45mm minimum hole depth
- Suitable for use in non-cracked concrete, concrete blocks and masonry.
- A countersunk self tapping screw with high-low thread
- Zinc plated and yellow passivated
- A T30 drive bit supplied in each box
- Easy to use fixing that does not require plastic plugs
- Higher resistance to fire than nylon fixings
- Friction fixing by screwing – prevents stress in the base material, allows fixings near to the edge, prevents deformation of the frame and gives greater loading performance than most nylon fixings