Concrete Screw TX Flat Countersunk Yellow 7.5mm x 100mm 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
Flat countersunk head with five locking ribs
All steel, non-flammable fixing conforming to BS 7671 standard's 18th edition, which requires wiring systems to be supported by materials which are unlikely to prematurely collapse in the event of a fire.

Specifications
Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments
Drill Hole (mm) 6
Driver Bit Size TX30
Finish Zinc & Yellow
Fixture Hole Size (mm) 8
Head Type Flat Countersunk with Ribs
Included Items TX30 S2 Bit (Qty 1)
L (mm) 100
Material Carbon Steel
MFT (mm) 50
Min. Embed. Depth (mm) 50
(mm) 7.5
Pack Type Box
Point Type Sharp
Recess Type TX Drive
Size x L (mm) 7.5 x 100
Substrates Wood, Concrete, Brick, Block, Stone
Thread Coverage Fully Threaded
Thread (mm) 7.5
Thread Type High-Low Start with V Flutes