BITEFU 200pcs Metric Hex Flange Nuts M3 M4 M5 M6 M8 M10 M12 304 Stainless Steel Serrated Flange Hex Lock Nuts Assortment Kit Set

• 【Affordable Package】Size:M3 M4 M5 M6 M8 M10 M12 Pack of 200 flange lock nuts with interlocking teeth packed in a practical storage box made of transparent plastic. Convenient storage and classification, easy to carry.
• High-quality materials: nut made of rust-proof A2-70 stainless steel, standard type: German standard. No smell, no poison, corrosion resistance, wear resistance, not rust, not break, durable durability, allows for use outdoors.
• Professional quality flange nuts: hexagonal nuts with flange and locking teeth according to DIN 6923 / ISO 4161 are also known as collar nuts or nuts with collars and a modified shape of the hexagon nut. Hex nuts with flange provide a large contact surface that optimally distributes the force.
• Main feature: serrated flange to ensure locking. Gears help to avoid vibrations of the nut and increase the holding force of the nut. Thanks to the existing flange, the use of a washer is eliminated. The teeth secures the nut against loosening from the screw under dynamic load of the connection.
• Areas of use: can be used with all standard screws (metric standard thread) such as hexagon screws, cylinder screws, countersunk screws and lens screws.

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