Sealey FN12 Flange Nut Serrated M12 Zinc DIN 6923 Pack of 50 Zinc plated DIN 6923 serrated flange nuts. Supplied in resealable bag. FN12 Features Zinc plated serrated flange nuts Supplied in resealable bag DIN 6923 Pack of 50 FN12 Specification Model No FN12 Brand: Sealey Nett Weight: 1.00kg Pack Qty: 50 Pitch: 1.75mm Size: M12 What is included: 1 x Sealey FN12 Flange Nut Serrated M12 Zinc DIN 6923 Pack of 50