Timco 7.5mm x 50mm Multi-Fix Concrete Screw ZYP Box of 100

A rapid and effective light duty anchoring system for fixing into concrete, brick, stone, concrete block and wood. This through fixing provides a single solution and replaces traditional fixings such as nylon frame and hammer fixings. 
Designed to replace traditional masonry fixings. 
TX30 TX Drive recess to reduce driver wear & prevent camming-out. 
Serrated V-threads to achieve optimum insertion into all masonry types. 
Zinc plated and yellow passivated for increased corrosion resistance . 
High-Low thread on first 30mm to aid insertion and reduce torque. 
Ideal for fitting windows and door frames.
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TECHNICAL DATA:
Corrosion Rating: 1 - Clean, dry; low humidity environments
Drill Hole Dia. mm: 6
Driver Bit Size: TX30
Fixture Hole Diameter mm: 8
Included Items: TX30 S2 Bit (Qty 1)
Max Fixture Thickness mm: 15
Min Embedment Depth mm: 35