Prevailing torque type hexagon nut with non-metallic insert DIN 985 Stainless steel A4 Zinc plated55726
FABORY HYGIENIC A4 Cup nut high55087
FABORY HYGIENIC A4 Cup nut low55091
Hexagon nut DIN 934 Lubrinox A251173
Hexagon nut DIN 934 Lubrinox A455082