Package includes: You will receive 340 pieces of lock washers in transparent boxes, available in sizes M3, M4, M5, M6, M8, M10, M12, which facilitates your access to different sizes and meets your various needs.
Premium material: The speed lock washers are made of 65Mn steel, can withstand certain high temperatures or impacts, practical, stable, sturdy and durable, not prone to corrosion and can be used for a long time.
Multiple sizes: The size of the star lock washer is M3-9mm, M4-12mm, M5-14mm, M6-16mm, M8-18mm, M10-20mm, M12-25mm (diameter). Enough to handle all kinds of situations.
Easy to use: These internal toothed star lock washers can apply spring force between installations to firmly fix the gasket, increase pressure, prevent slipping and generate greater friction and rotational resistance. Make installation easier and faster.
Wide application: Suitable for multiple fields, such as mechanical manufacturing related to cars, ships, etc. In addition, industrial equipment cannot do without the help of these internal toothed star lock washers, with various uses!