--- product_id: 651134204 title: "5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models" brand: "bztt" price: "¥2856" currency: JPY in_stock: true category: "Bztt" url: https://www.desertcart.jp/products/651134204-5640321002-mower-blade-bolt-and-lock-nut-kit-fits-ego store_origin: JP region: Japan --- # Grade 10.9 hardened steel bolts Fits multiple EGO 21'' mower models Corrosion & oxidation resistant 5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models **Brand:** bztt **Price:** ¥2856 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade Your Mow Game with Rock-Solid Bolts & Nuts! ## Quick Answers - **What is this?** 5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models by bztt - **How much does it cost?** ¥2856 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/651134204-5640321002-mower-blade-bolt-and-lock-nut-kit-fits-ego) ## Best For - bztt enthusiasts ## Why This Product - Trusted bztt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Compatibility:** Specifically designed to fit a wide range of EGO 21'' mower models including LM2130, LM2150SP, and LM2160SP. - • **Effortless Installation:** Simple wrench-only setup means you can upgrade your mower blade bolts and nuts in minutes, no hassle required. - • **Complete Reinforcement Kit:** Includes 2 blade support bolts and 2 prevailing torque hex lock nuts to securely fasten dual blades for peak mowing performance. - • **Corrosion-Resistant Finish:** Black oxide coating protects against rust and oxidation, keeping your mower parts pristine season after season. - • **Precision Engineered Durability:** Grade 10.9 stainless steel bolts and nuts ensure long-lasting strength and reliability for your mower. ## Overview This premium BZTT Mower Blade Bolt & Lock Nut Kit is crafted from Grade 10.9 stainless steel with a corrosion-resistant black oxide finish. Designed for EGO 21'' lawn mower models, it includes 2 blade support bolts and 2 prevailing torque hex lock nuts, ensuring secure blade attachment and enhanced mowing efficiency. Easy to install and built to last, this kit is the essential upgrade for any professional-grade lawn care setup. ## Description desertcart.com: BZTT 5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models | Lawn Mower Replacement Parts, Compatible with EGO LM2130, LM2133, LM2130SP, LM2135SP, LM2150SP&LM2156SP, Hardened Steel, 2PCS : Patio, Lawn & Garden ## Features - Mower Blade Bolts and Nuts Kit: Replacement ego 21" lawn mower blade power parts, for 5640321002 mower dual blades support bolts and nuts. 5630351002 prevailing torque hexagon lock nut. - 5640321002 EGO Lawn Mower Blade: Compatible with ego mower blade 21 inch Models: LM2130, LM2133, LM2135, LM2150SP & LM2156SP, LM 2150SP and LM2160SP, LM2130SP & LM2135SP 21" lawn mower. - Lawn Mower Blade Bolts 5640321002: Upgradation your EGO 21 inch lawn mower blade bolts and nuts fixing effect, improve work efficiency, makes it faster and easier to mow your lawn. - Complete Kit: EGO lawn mower parts Includes 2 5640321002 blade support bolts, and 2 5630351002 common torque hex lock nuts, providing you with enough equipment to reinforce the lawn mower blades. Upgrade your lawn mower blade with ego 21 inch bolts and nuts kit. - Superior Quality: Fit ego lawn mower blade and nuts kit made of high quality material, high hardness, corrosion-resistant, oxidation-resistant, durable, not easy to be damaged. - Simple Installation: You only need a tool wrench to unscrew the old nut from the lawn mower blade, eventually install 5640321002 bolts and 5630351002 nuts. Ensure stability, facilitate the installation of sharp new blades in the future, and improve mowing efficiency. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D8Q7Q7GD | | Brand | BZTT | | Color | black | | Customer Reviews | 4.2 4.2 out of 5 stars (69) | | Exterior Finish | Black Oxide | | Fastener Size | 1/4-20 | | Fastener Type | Bolt | | Finish Types | Plain | | Head Type | Hex | | Item Dimensions | 0.8 x 0.6 x 0.7 inches | | Item Hardness | Grade 10.9 | | Manufacturer | BZTT | | Manufacturer Grade | premium | | Material Type | Stainless Steel | | Metal Type | Stainless Steel | | Model | 5640321002, 5630351002 | | Number Of Items | 2 | | Number of Packs | 2 | | Number of Pieces | 4 | | Part Number | 5640321002, 5630351002 | | Screw Head Style | Hex | | Set Name | Kit | | Set Screw Thread Type | Unified National Coarse (UNC) | | Size Name | One Size | | Thread Class | 2A | | Thread Coverage | Fully Threaded | | Thread Size | 1/4-20 | | Thread Style | Right Hand | | Thread Type | Unc | | Unit Count | 4 Count | ## Product Details - **Exterior Finish:** Black Oxide - **Head Style:** Hex - **Manufacturer Grade:** premium - **Material:** Stainless Steel - **Thread Size:** 1/4-20 ## Images ![5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models - Image 1](https://m.media-amazon.com/images/I/41A6M63cU2L.jpg) ![5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models - Image 2](https://m.media-amazon.com/images/I/51Vr1t2N21L.jpg) ![5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models - Image 3](https://m.media-amazon.com/images/I/41hbomW-hsL.jpg) ![5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models - Image 4](https://m.media-amazon.com/images/I/51X39p8-zOL.jpg) ![5640321002 Mower Blade Bolt & Lock Nut Kit Fits EGO 21'' Mowers Models - Image 5](https://m.media-amazon.com/images/I/41D4R211+lL.jpg) ## Available Options This product comes in different **Number Of Items** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/651134204-5640321002-mower-blade-bolt-and-lock-nut-kit-fits-ego](https://www.desertcart.jp/products/651134204-5640321002-mower-blade-bolt-and-lock-nut-kit-fits-ego) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-18*