JORREP 555PCS Internal Tooth Lock Washer, M2.5-M12, Anti-Vibration Push Nut

Internal Tooth Lock Washers Detailed Specifications: - Color: Black - Material: 65Mn steel - Quantity: 555 Pieces - Sizes: M2.5 M3 M4 M5 M6 M8 M10 M12 - Box size: 7.5*3.9*0.67 inch/19*10*1.7cm - Characteristics: Anti-corrosion, good toughness,not easy to deform in use - Scenario: Machines, furniture, tables, DIY, electrical, electronic equipment What are the advantages of our internal tooth star lock washers? ✅ Internal tooth washers are made of high-quality 65Mn steel, which is sturdy, not easy to deform or break, and corrosion resistance. ✅ Starlock Washers are often designed with multiple petal-like projections that can be installed to make the connection tighter and more stable for long-term use. ✅ All tooth washers are packed in a compact plastic box with transparent compartments, easy to install and store. ✅ widely used for machines, furniture, tables, DIY, electrical, electronic equipment, automotive, sports equipment, and industrial. WHAT’S IN THE BOX ??? 150PCS - M2.5x8mm 105PCS - M3x9mm 70PCS - M4x12mm 60PCS - M5x14mm 60PCS - M6x16mm 50PCS - M8x18mm 30PCS - M10x20mm 30PCS - M12x25mm 1PCS - STORAGE BOX Q：What do these Internal Tooth Starlock Washers Kit do? A：A Lock washer exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation. Note: 1: Warning: small parts, keep away from children aged 0-3. 2: If you have any questions, we have 7x24 hours customer service team to solve all your problems.

• COMPREHENSIVE 8-SIZE ASSORTMENT (555PCS): Never worry about running out of specific sizes mid-project. Our kit includes 8 essential metric sizes: M2.5 (150pcs), M3 (105pcs), M4 (70pcs), M5 (60pcs), M6 (60pcs), M8 (50pcs), M10 (30pcs), and M12 (30pcs). We provide ample M10 and M12 washers for heavy-duty household and mechanical repairs.
• SUPERIOR ANTI-VIBRATION & FRICTION GRIP: Engineered with internal teeth design, these star washers bite deep into the fastener head and substrate, creating massive rotational resistance. They are the ultimate solution for preventing nuts and bolts from loosening due to shock or vibration in lawnmowers, household appliances, and automotive engines.
• REINFORCED 65Mn HIGH-STRENGTH CARBON STEEL: Crafted from premium 65Mn carbon steel with a durable black oxide finish. These push nuts offer exceptional hardness and tensile strength. The surface treatment provides reliable corrosion resistance, ensuring long-lasting performance in both indoor and outdoor environments.
• SECURE & ORGANIZED STORAGE CASE: Tired of mixed-up hardware? Our sturdy transparent case features secure dividers designed to keep each size in its place during shipping. Each compartment is clearly labeled on the lid for quick identification, saving you hours of sorting and ensuring the right starlock washer is always at your fingertips.
• VERSATILE PUSH-ON FASTENING APPLICATIONS: Simplify your installation—no threading required! These speed clips can be fixed onto shafts with simple pressure, ideal for DIY furniture, tricycles, sports equipment, and industrial manufacturing.