{"product_id":"angle-grinder-inner-flange-outer-lock-nut-set-20mm-22mm-bore","title":"Angle Grinder Inner Flange \u0026 Outer Lock Nut – 20mm \u0026 22mm Bore","description":"\u003ch2\u003eAngle Grinder Inner Flange \u0026amp; Outer Lock Nut Replacement Set\u003c\/h2\u003e\n\u003cp\u003eUpgrade or restore your angle grinder with this precision-machined \u003cstrong\u003einner flange and outer lock nut set\u003c\/strong\u003e. Designed for 100mm angle grinders, this pair lets you expand compatibility to 125mm discs and accommodates both \u003cstrong\u003e20mm and 22mm bore cutting discs\u003c\/strong\u003e. Built from heat-treated iron using integrated molding and CNC machining, these parts deliver lasting durability and a secure, accurate fit every time.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCNC-Machined Iron Construction:\u003c\/strong\u003e Integrated molding and numerical control machining ensure tight tolerances and consistent performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat-Treated for Durability:\u003c\/strong\u003e High hardness and tenacity after heat treatment means excellent wear resistance and extended service life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Bore Compatibility:\u003c\/strong\u003e Supports both 20mm and 22mm bore grinding and cutting discs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrinder Upgrade Ready:\u003c\/strong\u003e Allows modification of a 100mm angle grinder to accept 125mm discs — expanding your tool's versatility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Easy to carry and store; takes up minimal space in your toolbox.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBlack Finish:\u003c\/strong\u003e Clean, professional appearance that resists surface wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIron (Heat-Treated)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Bore Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20mm \u0026amp; 22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Grinder Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100mm (upgradeable to 125mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Inner Flange\u003c\/li\u003e\n  \u003cli\u003e1 × Outer Lock Nut\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Tools to Pair With\u003c\/h3\u003e\n\u003cp\u003eLooking for more workshop and DIY accessories? Check out these related products:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/garden-pruner-shears-secateurs-bonsai-fruit-trees\"\u003eGarden Pruner Shears – Secateurs for Bonsai \u0026amp; Fruit Trees\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What angle grinder sizes are compatible with this inner flange and outer lock nut set?\u003c\/h4\u003e\n\u003cp\u003eA: This flange and lock nut set is designed for angle grinders with a 100mm rotor. It also supports modification to accept 125mm cutting discs, making it a versatile upgrade accessory for your grinder.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which bore sizes do these angle grinder flanges fit?\u003c\/h4\u003e\n\u003cp\u003eA: The set is compatible with both 20mm and 22mm bore grinding and cutting discs, covering the most common disc bore sizes used on standard angle grinders.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are these flanges durable enough for heavy-duty cutting work?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The flanges are made from iron that has undergone heat treatment for increased hardness and tenacity. The CNC-machined construction ensures consistent fit and long-term wear resistance, making them suitable for regular workshop and DIY use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is included in this set?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack includes one inner flange and one outer lock nut — everything you need to replace or upgrade the disc-mounting hardware on your compatible angle grinder.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What angle grinder sizes are compatible with this inner flange and outer lock nut set?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This flange and lock nut set is designed for angle grinders with a 100mm rotor. 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