• 1/1
Roofing self-drilling screws for fastening multilayer boards to steel constructions
Material Hardened Carbon Steel C1022A
Core hardness 300-460HV
Surface hardness min 450HV
Surface Treatment Zinc plated
Standard DIN, ASTM
Certification ISO9001, CE
Non-standards OEM is available if you provide the drawing or sample
Washer EPDM, Non-conductive
Drilling point #5
Parameters
Material
Hardened Carbon Steel C1022A
Core hardness
300-460HV
Surface hardness
min 450HV
Surface Treatment
Zinc plated
Standard
DIN, ASTM
Certification
ISO9001, CE
Non-standards
OEM is available if you provide the drawing or sample
Washer
EPDM, Non-conductive
Drilling point
#5
I know
Detail

Self-tapping screws are used to mount sedvich panels ( front laminated plates ) to the steel bearing screws does not require predvarietlnogo vent of drilling ,whereby the mounting panels thread under the head of larger diameter screw firmly holds the distance between the skins plates, while increasing efficiency and density soedineniya.Golovka hexagon under the nozzle 5/16 ( 8mm ) .