ASSEMBLING AND FASTENING COMPLETE SOLUTIONS
METRIC THREAD BOLTS SELF DRILLING SCREW
FASTENERS
ASSEMBLING AND FASTENING COMPLETE SOLUTIONS
Proinvest Group Fasteners Division markets a wide range of fasteners and assembling elements for construction and industry area like mechanical anchors , wedge anchors , turnbuckles , welds studs with ceramic ferrules , fixing systems for terrace roofs ( polyamide mushrooms and screw ) but also custom-made screws .
METRIC THREAD BOLTS SELF DRILLING SCREW
Metric thread bolts are either standard ( fully threaded DIN 933 , partial threaded DIN 933 , socket head DIN 912 ), groups 10.9 and 8.8 , either high strength bolt E14399 , group 10.9 , hot dip galvanized .
Also , we sell all range of nuts ( DIN 934 , DIN 985 , DIN 982 ) and washers ( flat washer DIN 125 , split lock washer DIN 127 , large washer DIN 9021 ). Self drilling screws are uses to fix corrugates sheets or sinusoidal profiles on different structures ( steel , wood , concrete ) to fix sandwich panels on steel or concrete ( drilling capacity 6mm and 12mm ), to fix metallic tiles on timber .
The screws are available in galvanized or painted version , industrial or residential most common RAL colors .
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