Firma Killich s.r.o. offers hexagon socket head cap screws according to DIN 912. Hexagon socket head cap screws according to DIN 912 include stainless steel screws A2, A4, nickel-plated, plastic and steel galvanized (yellow, white) in strength 10.9. Hexagon socket head cap screws (DIN 912) are hexagon socket head screws.