--- product_id: 602531610 title: "500PCS Internal Tooth Star Lock Washers, M2.5 M3 M4 M5 M6 M8 M10 M12 Push Nuts Assortment, Quick Speed Starlock Washers Assortment Kit, Steel Black Oxide Finish Push on Locking Washer" brand: "vifmy" price: "€ 35.57" currency: EUR in_stock: true reviews_count: 8 category: "Vifmy" url: https://www.desertcart.pt/products/602531610-500pcs-internal-tooth-star-lock-washers-m2-5-m3-m4 store_origin: PT region: Portugal --- # Quick speed locking 500PCS versatile sizes High-strength carbon steel 500PCS Internal Tooth Star Lock Washers, M2.5 M3 M4 M5 M6 M8 M10 M12 Push Nuts Assortment, Quick Speed Starlock Washers Assortment Kit, Steel Black Oxide Finish Push on Locking Washer **Brand:** vifmy **Price:** € 35.57 **Availability:** βœ… In Stock ## Summary > πŸ”© Lock it down fast, last forever! ## Quick Answers - **What is this?** 500PCS Internal Tooth Star Lock Washers, M2.5 M3 M4 M5 M6 M8 M10 M12 Push Nuts Assortment, Quick Speed Starlock Washers Assortment Kit, Steel Black Oxide Finish Push on Locking Washer by vifmy - **How much does it cost?** € 35.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/602531610-500pcs-internal-tooth-star-lock-washers-m2-5-m3-m4) ## Best For - vifmy enthusiasts ## Why This Product - Trusted vifmy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Endure:** Crafted from premium carbon steel with black oxide finish for superior strength and corrosion resistance. - β€’ **Instant Lock & Secure:** Internal tooth star design ensures rapid, reliable locking to prevent loosening under vibration. - β€’ **Organized & Ready-to-Go:** Compact, clear case keeps all sizes neatly sortedβ€”no more lost washers or wasted time. - β€’ **All-in-One Precision Kit:** 500 washers across 8 essential sizes (M2.5 to M12) for every fastening need. - β€’ **Engineered for Professionals:** Ideal for automotive, aerospace, rail, and industrial applications demanding peak performance. ## Overview The Vifmy 500PCS Internal Tooth Star Lock Washers Kit offers a comprehensive assortment of high-strength carbon steel washers in 8 sizes (M2.5 to M12). Featuring a durable black oxide finish and a star tooth design, these washers provide quick, secure locking ideal for demanding mechanical, automotive, aerospace, and industrial applications. Packaged in a clear, organized case, this kit ensures convenience and reliability for professionals who refuse to compromise on quality. ## Description desertcart.com: Vifmy 500PCS Internal Tooth Star Lock Washers, M2.5 M3 M4 M5 M6 M8 M10 M12 Quick Speed Locking Washers Assortment Kit, Steel Black Oxide Finish Push on Locking Washer : Industrial & Scientific Review: Internal tooth star washers - LOOKS AND WORKS AND IS A GREAT ITEM Review: great product - great assortment. good value for the money ## Features - Speed Locking Washers Size: Speed locking washers assortment kit contains 8 size types of washers, which are m2.5-8(100pcs),m3-9(100pcs),m4-12(70pcs),m5-14(60pcs),m6-16(60pcs),m8-18(50pcs),m10-20(30pcs),m12-25(30pcs),8 different sizes to meet different different sizes to meet different scenarios - Steel Star Locking Washer: The star locking washer are made of high quality carbon steel material, which has high strength and can withstand certain loads and impacts, and can ensure the stability and working life of the star locking washer - Star Locking Washer Function: The star locking washe is one of the indispensable elements in most mechanical equipment, it has a variety of roles in fixing, supporting and damping. It uses spring pressure to regulate reinforced shaped objects and is used to tighten and loosen threaded fittings. It can also be used to tighten parallel bars or ring gaps to make them stronger - Wide Application: Internal tooth star lock washers are widely used in various fields, especially in machinery manufacturing, automobile manufacturing, shipbuilding, aerospace, rail transport and so on - Convenient Storage: Each of the 8 different sizes of push on locking washer are individually stowed by type in an easy to carry clear case. Easy to store and use, so that the star locking washer will not be lost or mixed up during use ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CNBX22CX | | Best Sellers Rank | #3,832 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Tooth Lock Washers | | Brand | Vifmy | | Color | Black | | Compatible Groove Diameter | 8 Millimeters | | Customer Reviews | 4.6 out of 5 stars 569 Reviews | | Exterior Finish | Black Oxide | | Fastener Size | m2.5 m3 m4 m5 m6 m8 m10 m12 | | Fastener Type | lock washer | | Finish Types | Black Oxide | | Item Thickness | m2.5-0.24 m3-0.33 m4-0.34 m5-0.36 m6-0.37 m8-0.4 m10-0.48 m12-0.44 Millimeters | | Item Weight | 8.5 Ounces | | Manufacturer | Vifmy | | Material | Carbon Steel | | Material Type | Carbon Steel | | Metal Type | Carbon Steel | | Number of Pieces | 500 | | Outside Diameter | m2.5-8 m3-9 m4-12 m5-14 m6-16 m8-18 m10-20 m12-25 Millimeters | | Screw Head Style | Star | | Size Name | Internal Tooth Star Lock Washer;500 PCS | | Thread Size | m2.5, m3, m4, m5, m6, m8, m10, m12 | | Unit Count | 500.0 Count | | Washer Type | Internal Tooth Lock | ## Product Details - **Material:** Carbon Steel - **Outside Diameter:** m2.5-8 m3-9 m4-12 m5-14 m6-16 m8-18 m10-20 m12-25 Millimeters - **Washer Type:** Internal Tooth Lock - **Exterior Finish:** Black Oxide - **Fastener Size:** m2.5 m3 m4 m5 m6 m8 m10 m12 ## Images ![500PCS Internal Tooth Star Lock Washers, M2.5 M3 M4 M5 M6 M8 M10 M12 Push Nuts Assortment, Quick Speed Starlock Washers Assortment Kit, Steel Black Oxide Finish Push on Locking Washer - Image 1](https://m.media-amazon.com/images/I/814dekFfrwL.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Internal tooth star washers *by D***N on November 15, 2025* LOOKS AND WORKS AND IS A GREAT ITEM ### ⭐⭐⭐⭐⭐ great product *by D***2 on August 8, 2025* great assortment. good value for the money ### ⭐⭐⭐⭐⭐ Good variety *by C***. on September 11, 2025* We lost one of these on our truck but didn’t know the exact size. This kit was great since we had all different sizes to try to see what we needed. Great product ## Frequently Bought Together - Vifmy 500PCS Internal Tooth Star Lock Washers, M2.5 M3 M4 M5 M6 M8 M10 M12 Quick Speed Locking Washers Assortment Kit, Steel Black Oxide Finish Push on Locking Washer - Vifmy Spring Lock Washers Assortment Kit(1000 Pack), M2 M2.5 M3 M4 M5 M6 M8 M10 M12 Metric Split Lock Washer Set,304 Stainless Steel Lock Washers for Screws Bolts - WEGOUP 900 Pcs Stainless Steel Flat Washers for Screws, 304 Stainless Steel, Assorted Sizes (M2 M2.5 M3 M4 M5 M6 M8 M10 M12) for Industrial Use, Washers for Bolts --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/602531610-500pcs-internal-tooth-star-lock-washers-m2-5-m3-m4](https://www.desertcart.pt/products/602531610-500pcs-internal-tooth-star-lock-washers-m2-5-m3-m4) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*