HTL175 HEX 16BW
£37.56
PER 100
Use for fixing 115mm and 120mm composite panels to heavy steel rail (hot rolled) 3.5mm to 12.5mm.
(5.5MM X 175MM 6.3HT 5PT)
Will fix panels 110mm to 130mm trough/valley fix into heavy steel rails
Complete with 16mm Bonded Washer for side wall and general use.
Please consider using with a 19mm Bonded Washer as they are suitable for both roof main fix and side wall use
100 in stock
Qty’s in 100’s 1 = 100, 10 = 1000 etc.
8mm (5/16") standard hexagon washer head fastener.
Topfix is not generally recommended. If unavoidable or specified for a particular application a saddle/storm washer should be used and particular care taken in installation.
A 6.3mm diameter coarse thread just under the head stitches the top outer sheet of the composite panel to the head keeping the sheet and washer clamped together giving a typical ultimate resistance force of 1.4kN in normal applications.
See fastener specifications link below.
See Composite panel selection chart below.
These fasteners have a minimum 500hr SST coating. Link below.
Use a purpose made screwgun for installation. Cordless drivers and drill drivers are ideal with torque set fairly high on a high speed and in driver mode. Please note: Impact drivers should not be used under any circumstance and automatically voids any warranties.
Figures throughout will be ultimate test results with no safety factors.
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