⚙Various Sizes:In our kit: External tooth star lock washer size are: M2.5/M3/M4/M5/M6/M8/M10/M12; Internal tooth star lock washer size are: M2/M3/M4/M5/M6/M8/M10/M12.
🧰Package Content: This external and internal tooth star lock washers assortment kit has 400 pieces washers,includes 200 pieces internal tooth star lock washers, 200 pieces external tooth star lock washers. This kit has most used sizes can meet your needs to the greatest extent.
🚪Material: Made of 304 Stainless Steel material, with character of corrosion resistant and anti-rust, durable. Easy to operate, standard size, all of washers are packed in a transparent plastic box for your convenient use and storage.
📣Widely Usage:This external & internal tooth star lock washers assortment kit suitable for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a threaded/bolt-type connection.
💿External and internal toothed lock washers apply a spring force between the fastener head and the substrate, keeping the washer against the substrate and the bolt threads against the nut or substrate threads, creating greater friction and rotational resistance.