Concrete screw Essve, for sandwich elements, with washer, 6.3 x 100-310 mm - 100-500 pcs

Suitable for installing sandwich panels into concrete, brick, hollow brick and wooden substrates - when installing into concrete, brick and hollow brick, a 5.0 mm drill bit must be pre-drilled.
The screw has a concrete thread and is made of hardened steel with Ruspert surface treatment
The washer is made of stainless steel and with a vulcanized EPDM rubber seal
The screw has an 8 mm hexagon head