TEKNIX SCREW CSK WING DRILL HEAVY SECTION BZP 5.5 x 100mm

Packed: 100

SKCHZ55100

Countersunk Phillips recessed screws with a self-drilling point for fixing timber to heavy section steel
Fine threaded with a No.5 point
Includes wings to drill a clearance hole in the timber and help prevent 'jacking'
The wings snap off as soon as they reach the steel, resulting in a very strong grip
Designed for steel thickness of between 4.0-12.0mm
Maximum fixture thickness of 71mm
Recommended drill speed 1000-1800 RPM
Phillips driver bit included in every box
Conforms to DIN 7504P