HECO ITALIA EFG SFS WS - Стальной винт

SFS WS-T is a self-drilling dowel for wood-steel-wood connections with European certification according to EN 14592.‎ The drill bit consists of a hardened steel blade that can drill up to three 5mm thick blades or a single 10mm blade (in S235 steel).‎ The smooth body is made of high quality steel for absolutely high strength values.‎ There is a thread under the head that prevents the dowel from accidentally slipping out of the wood and also aids advancement or unscrewing.‎ The head penetrates easily into the wood to be inserted deep if necessary and hidden by the wooden plug for fire resistance or simply aesthetic reasons.‎ Excellent for drilling both aluminium and steel plates; Quick and easy installation without pre-drilling in either wood or metal: Special hardened steel drill bit for drilling up to 10mm steel (or 3 x 5mm blades); Simple and safe calculation according to EN 1995-1-1; Unscrewable; High bending moment My,k = 31.‎93 Nm; Thanks to the underhead thread, it does not protrude from its seat