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Enhance the security of your bolts and nuts with this pack of 4000 knurled locking safety washers. Made by Beneri S.p.A. in Italy from high-quality carbon steel, these washers have an item thickness of 0.50 mm, an item inside diameter of 4.30 mm, and an item outside diameter of 7.00 mm. The phosphate finish ensures durability and longevity, while the HRC 44-50 hardness rating ensures maximum strength and performance. Use these metric washers with 4 mm bolt diameter and 8.8 bolt grade for your hardware needs. Ideal for use in various industrial applications, these washers are a reliable choice for ensuring the safety and stability of your products.
