High QualityThese hex nuts are made of stainless steel, sturdy, durable, rust, corrosion and oxidation resistant, not easy to deform, you can use them with confidence. DIN 985 standard. Precision DesignLock nuts are also known as stop nuts. Lock nuts are used to attach to a bolt when mechanically joining materials. The bolt threads in the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent shrinkage or loosening due to vibration. AdvantageOur heavy duty hex lock nuts are very strong and are ideal for indoor and outdoor use. exterior. Highly resistant to rotation, they prevent lock nuts from weakening and loosening due to vibration and torque that reduce holding force. In humid environment, ensure long time use. Wide range of usesanti-loosening nylon nut is a new type of high vibration and ballistic component, widely used in folding beds , cabinets, mining machinery, electric lawn mowers, motors, textile machinery, automobiles, engineering machinery, shipbuilding, etc. Lock nuts are also known as stop nuts. Lock nuts are used to secure to a bolt when mechanically joining materials. The nut adopts a hexagonal design with uniform strength, which makes the combination tighter, not easy to fall off, firm and stable, and save installation time. The bolt threads in the nylon material are located at the top of the nut. The purpose of the nylon insert is to prevent shrinkage or loosening due to vibration. A metric internal thread with a tall form. Nylon lock nut is a component for folding beds, cabinets, miners, motors, textile machinery, etc. Specification: Material: Stainless Steel, Nylon Color: Silver Category: M8 Pitch: 8mm Hex Width: 13 mm / 0.51" Height: 8mm / 0.31" Scope of supply: 100 pieces M8 Lock Nut< /p> Note: 1, Please allow slight error in the dimensions due to manual measurement. 2, Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you very much. 3.Check the product size before ordering, please. 4. Our product is not suitable for children under 3 years old.