M4x8 ZINC 5.8 Knurled thumb screws, thin type DIN 653
Firma Killich s.r.o. offers metric screws with knurled head according to DIN 653. In the assortment of metric screws with knurled head according to DIN 653, the screws are stainless steel, steel, galvanized even without surface treatment in strength 5.8