Unifix Class 8 Nylon Insert Flange Nuts DIN 6926 Bright Zinc Plated - M12 x 1.75 (Box of 200)The Unifix Class 8 Nylon Insert Flange Nuts DIN 6926 Bright Zinc Plated M12 x 1. 75 (Box of 200) are designed for reliable fastening in various applications. These nuts feature a nylon insert that provides enhanced grip and prevents loosening due to vibration. High Quality Class 8 Material for Durability Nylon Insert for Secure Fastening Flange Design Distributes Load Evenly Compatible with M12 x 1. 75 Bolts Ideal for Automotive and Industrial Use