{"product_id":"ideal-armature-hq-series-gws20-180-angle-grinder-spare-part-generic-bosch-type-30045","title":"ID HQ SERIES ARMATURE [GWS20-180] ANGLE GRINDER SPARE PART [Bosch Type] - 30045","description":"\u003c!-- ============================================================ --\u003e\u003c!-- PRODUCT DESCRIPTION: IDEAL ARMATURE HQ SERIES [GWS20-180] --\u003e\n\u003ch2 style=\"font-size: 1.6em; font-weight: bold; margin-bottom: 20px;\"\u003eRestore Full Power — The HQ Series Armature Built to Outlast the Job\u003c\/h2\u003e\n\u003c!-- ============================================================ --\u003e\n\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #1c2228; line-height: 1.7; max-width: 900px;\"\u003e\n\u003c!-- SHORT DESCRIPTION --\u003e\n\u003cp style=\"font-size: 1.05em; color: #2e2e2e; margin-bottom: 25px;\"\u003eThe \u003cstrong\u003eIdeal Armature HQ Series [GWS20-180]\u003c\/strong\u003e is a \u003cstrong\u003eheavy-duty, generic replacement armature\u003c\/strong\u003e engineered to the \u003cstrong\u003eBosch GWS20-180 specification\u003c\/strong\u003e (Part No. 30045). Built with \u003cstrong\u003e100% pure copper windings\u003c\/strong\u003e and a \u003cstrong\u003eprecision multi-segment commutator\u003c\/strong\u003e, this \u003cstrong\u003eangle grinder spare part\u003c\/strong\u003e restores your power tool to full operational capacity, delivering \u003cstrong\u003emaximum electrical conductivity\u003c\/strong\u003e, reduced heat buildup, and \u003cstrong\u003eextended motor life\u003c\/strong\u003e for professional and industrial applications.\u003c\/p\u003e\n\u003c!-- KEY FEATURES \u0026 PERFECT FOR TABLE --\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 30px; table-layout: fixed;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 40%; background-color: #1c2228; color: #ffffff; padding: 14px 18px; text-align: left; font-size: 1em; border-radius: 6px 0 0 0;\"\u003eKey Features\u003c\/th\u003e\n\u003cth style=\"width: 40%; background-color: #1c2228; color: #ffffff; padding: 14px 18px; text-align: left; font-size: 1em; border-radius: 0 6px 0 0;\"\u003ePerfect For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 18px; border: 1px solid #E0E0E0; background-color: #fafafa;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #2e2e2e; font-size: 0.97em;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003e100% Copper Windings\u003c\/strong\u003e — High-purity copper wire for maximum conductivity and heat resistance\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003ePrecision Multi-Segment Commutator\u003c\/strong\u003e — Smooth current transfer, minimised sparking and brush wear\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eResin-Coated \u0026amp; Laced Windings\u003c\/strong\u003e — Reinforced structure withstands high centrifugal forces in professional motors\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eBosch GWS20-180 Compatible\u003c\/strong\u003e — Drop-in generic replacement engineered to OEM dimensions and tolerances\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e\n\u003cstrong\u003eIndustrial Longevity Design\u003c\/strong\u003e — Extended service intervals through precision engineering and quality materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 18px; border: 1px solid #E0E0E0; background-color: #fafafa;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px; color: #2e2e2e; font-size: 0.97em;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003ePower Tool Repair Technicians\u003c\/strong\u003e repairing Bosch GWS20-180 angle grinders\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eWorkshop \u0026amp; Industrial Maintenance\u003c\/strong\u003e teams requiring fast, cost-effective motor restoration\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eConstruction \u0026amp; Fabrication Professionals\u003c\/strong\u003e who depend on continuous heavy-duty grinding operations\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e\n\u003cstrong\u003eSpare Parts Distributors \u0026amp; Retailers\u003c\/strong\u003e stocking generic replacement components for Bosch-type grinders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- TAGLINE H2 --\u003e\u003c!-- DETAILED SPECIFICATIONS \u0026 FEATURES --\u003e\n\u003cul style=\"padding-left: 20px; color: #2e2e2e; font-size: 0.97em; margin-bottom: 30px;\"\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e\n\u003cstrong\u003eBosch GWS20-180 Direct Replacement (Part No. 30045):\u003c\/strong\u003e This armature is precision-engineered as a \u003cstrong\u003egeneric aftermarket replacement\u003c\/strong\u003e specifically dimensioned to fit the \u003cstrong\u003eBosch GWS20-180 angle grinder\u003c\/strong\u003e. The shaft diameter, core length, commutator segment count, and winding configuration are matched to OEM specifications, ensuring a \u003cstrong\u003edrop-in fit with no modification required\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e\n\u003cstrong\u003e100% High-Purity Copper Windings for Superior Electrical Performance:\u003c\/strong\u003e Unlike aluminium or mixed-alloy alternatives, the HQ Series uses \u003cstrong\u003e100% pure copper wire\u003c\/strong\u003e throughout the winding process. Copper's superior \u003cstrong\u003eelectrical conductivity (approximately 58 MS\/m)\u003c\/strong\u003e ensures minimal resistive losses, while its \u003cstrong\u003ehigh thermal tolerance\u003c\/strong\u003e prevents premature insulation breakdown during sustained heavy-duty grinding cycles — a critical factor in professional environments.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e\n\u003cstrong\u003ePrecision Multi-Segment Copper Commutator for Reduced Arcing:\u003c\/strong\u003e The commutator features \u003cstrong\u003emultiple copper segments\u003c\/strong\u003e machined to tight tolerances, ensuring consistent and even contact with the carbon brushes. This design \u003cstrong\u003eminimises electrical arcing and sparking\u003c\/strong\u003e, which directly reduces brush wear, extends commutator service life, and maintains stable motor RPM under variable load conditions — essential for \u003cstrong\u003econsistent cutting and grinding performance\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e\n\u003cstrong\u003eResin-Impregnated \u0026amp; Laced Winding Construction for Structural Integrity:\u003c\/strong\u003e The copper windings are \u003cstrong\u003elaced and fully impregnated with high-temperature resin\u003c\/strong\u003e, bonding the coils firmly to the laminated magnetic core. This reinforcement is critical for withstanding the \u003cstrong\u003eextreme centrifugal forces\u003c\/strong\u003e generated at the GWS20-180's operating RPM, preventing winding displacement, short circuits, and the vibration-induced failures common in lower-grade replacement armatures.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 14px;\"\u003e\n\u003cstrong\u003eLaminated Magnetic Core for Reduced Eddy Current Losses:\u003c\/strong\u003e The armature core is constructed from \u003cstrong\u003estacked silicon-steel laminations\u003c\/strong\u003e, a design that significantly reduces \u003cstrong\u003eeddy current losses\u003c\/strong\u003e — the parasitic energy dissipated as heat within a solid core. This results in a \u003cstrong\u003ecooler-running motor\u003c\/strong\u003e, improved energy efficiency, and a longer operational lifespan for both the armature and the surrounding motor components, including field coils and bearings.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0;\"\u003e\n\u003cstrong\u003eSupplied as a Single Armature Unit — Ready for Direct Installation:\u003c\/strong\u003e The HQ Series armature is supplied as \u003cstrong\u003eone complete armature assembly (1 Pcs)\u003c\/strong\u003e, inclusive of the wound core, commutator, and shaft. It is packaged to prevent transit damage and is ready for immediate installation by a qualified technician, making it an efficient solution for \u003cstrong\u003eworkshop repairs, field servicing, and spare parts inventory management\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- ============================================================ --\u003e \u003c!-- FAQ SECTION --\u003e \u003c!-- ============================================================ --\u003e \u003c!-- CSS Styles for the FAQ Section --\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.faq-section-styled {\nfont-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\nmargin-top: 40px;\n}\n.faq-section-styled h2 {\nfont-size: 2em;\nfont-weight: 700;\ncolor: #1C2228;\nborder-bottom: 2px solid #F4F4F4;\npadding-bottom: 15px;\nmargin-bottom: 30px;\n}\n.faq-section-styled details {\nbackground-color: #f9f9f9;\nborder: 1px solid #e9e9e9;\nborder-radius: 8px;\nmargin-bottom: 15px;\noverflow: hidden;\n}\n.faq-section-styled summary {\ndisplay: flex;\njustify-content: space-between;\nalign-items: center;\npadding: 20px;\nfont-weight: 600;\nfont-size: 1.1em;\ncolor: #1C2228;\ncursor: pointer;\nlist-style: none;\n}\n.faq-section-styled summary::-webkit-details-marker {\ndisplay: none;\n}\n.faq-section-styled .question-title {\ndisplay: flex;\nalign-items: center;\n}\n.faq-section-styled .question-title::before {\ncontent: '\\25B6';\nmargin-right: 15px;\nfont-size: 0.8em;\ncolor: #1C2228;\n}\n.faq-section-styled summary::after {\ncontent: '+';\nfont-size: 1.8em;\nfont-weight: 300;\ncolor: #1C2228;\ntransition: transform 0.2s ease-in-out;\n}\n.faq-section-styled details[open] summary::after {\ntransform: rotate(45deg);\n}\n.faq-section-styled .faq-answer-content {\nbackground-color: #FFFFFF;\npadding: 20px 20px 20px 55px;\nborder-top: 1px solid #e9e9e9;\n}\n.faq-section-styled .faq-answer-content p {\nmargin: 0;\nfont-size: 1em;\nline-height: 1.7;\ncolor: #2E2E2E;\ntext-align: left;\n}\n.faq-section-styled .faq-answer-content p strong {\ncolor: #1C2228;\n}\n\u003c\/style\u003e\n\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #1c2228; line-height: 1.7; max-width: 900px;\"\u003e\n\u003cdiv class=\"faq-section-styled\"\u003e\n\u003c!-- FAQ SECTION 1: General Purchase \u0026 Comparison Queries --\u003e\n\u003ch2\u003eGeneral Purchase \u0026amp; Comparison Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs this armature compatible with my Bosch GWS20-180 angle grinder?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes. The \u003cstrong\u003eIdeal Armature HQ Series (Part No. 30045)\u003c\/strong\u003e is specifically engineered as a \u003cstrong\u003egeneric replacement for the Bosch GWS20-180 angle grinder\u003c\/strong\u003e. The shaft dimensions, core length, commutator configuration, and winding specification are all matched to the OEM design. If your grinder model is the \u003cstrong\u003eGWS20-180\u003c\/strong\u003e, this armature is a direct drop-in replacement requiring no modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat is the difference between a generic armature and an original Bosch armature?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eA \u003cstrong\u003egeneric armature\u003c\/strong\u003e like the HQ Series is manufactured to match the \u003cstrong\u003edimensional and electrical specifications\u003c\/strong\u003e of the original Bosch part, but is produced independently — making it significantly more cost-effective. The HQ Series uses \u003cstrong\u003e100% copper windings and a precision commutator\u003c\/strong\u003e, which are the same quality benchmarks used in OEM production. The primary difference is branding and price; the performance and fitment are engineered to be equivalent for professional repair use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow do I know if my angle grinder's armature needs replacing?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eCommon signs that your armature requires replacement include: \u003cstrong\u003eexcessive sparking\u003c\/strong\u003e from the brush area during operation, a \u003cstrong\u003eburning smell\u003c\/strong\u003e from the motor, \u003cstrong\u003eloss of power or inconsistent RPM\u003c\/strong\u003e, the motor failing to start, or visible \u003cstrong\u003eburn marks and discolouration\u003c\/strong\u003e on the commutator segments. If your grinder shows any of these symptoms after ruling out worn carbon brushes, the armature is the most likely cause and should be inspected and replaced by a qualified technician.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- FAQ SECTION 2: Product-Specific and Usage Queries --\u003e\n\u003ch2\u003eProduct-Specific and Usage Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhy does the HQ Series use 100% copper windings instead of other materials?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eCopper is the industry standard\u003c\/strong\u003e for high-performance motor windings due to its superior \u003cstrong\u003eelectrical conductivity\u003c\/strong\u003e — approximately 58 MS\/m — which is significantly higher than aluminium alternatives. This means less energy is lost as heat during operation, the motor runs cooler, and the winding insulation lasts longer. In \u003cstrong\u003eheavy-duty angle grinder applications\u003c\/strong\u003e where the motor is under sustained load, copper windings are essential for reliability and longevity. Lower-grade armatures often use mixed alloys that degrade faster under thermal stress.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat does the resin coating on the windings do?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eresin impregnation and lacing process\u003c\/strong\u003e bonds the copper windings firmly to the laminated core, preventing any movement of the coils during operation. Angle grinder armatures spin at very high RPM, generating significant \u003cstrong\u003ecentrifugal forces\u003c\/strong\u003e that can cause unwound or loosely bound coils to shift, short-circuit, or fail catastrophically. The resin coating also provides an additional layer of \u003cstrong\u003eelectrical insulation\u003c\/strong\u003e and protects the windings from moisture and dust ingress — critical for tools used in construction and fabrication environments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eCan I install this armature myself, or do I need a professional technician?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eArmature replacement involves \u003cstrong\u003edisassembling the motor housing\u003c\/strong\u003e, removing the field coil assembly, extracting the old armature, and fitting the new one — followed by reassembly and testing. While experienced DIY users with the correct tools can perform this task, it is \u003cstrong\u003estrongly recommended to use a qualified power tool repair technician\u003c\/strong\u003e. Incorrect installation can damage the new armature, the field coils, or the bearings, and may create safety hazards. Always ensure the tool is \u003cstrong\u003efully disconnected from power\u003c\/strong\u003e before any disassembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c!-- FAQ SECTION 3: Problem\/Solution-Oriented Queries --\u003e\n\u003ch2\u003eProblem\/Solution-Oriented Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy grinder is sparking heavily — will replacing the armature fix this?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy sparking\u003c\/strong\u003e is one of the most common indicators of armature or commutator wear. Before replacing the armature, first check and replace the \u003cstrong\u003ecarbon brushes\u003c\/strong\u003e, as worn brushes are a more frequent and less costly cause of sparking. If new brushes do not resolve the issue, the \u003cstrong\u003ecommutator surface may be worn, pitted, or have shorted segments\u003c\/strong\u003e — at which point armature replacement is the correct solution. The HQ Series features a \u003cstrong\u003eprecision multi-segment commutator\u003c\/strong\u003e designed to restore smooth, low-spark operation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy grinder has lost power and runs slowly — could the armature be the cause?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes, a \u003cstrong\u003efailing armature\u003c\/strong\u003e is a common cause of power loss and reduced RPM in angle grinders. When armature windings develop \u003cstrong\u003eopen circuits, short circuits, or ground faults\u003c\/strong\u003e — often caused by heat damage, moisture, or mechanical wear — the motor cannot generate its rated torque. This results in the tool feeling sluggish, stalling under load, or failing to reach operating speed. Replacing the armature with the \u003cstrong\u003eHQ Series unit\u003c\/strong\u003e, with its intact 100% copper windings and sound commutator, will restore the motor's full power output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow can I extend the life of my new armature after installation?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eTo maximise the service life of your replacement armature, follow these maintenance practices: \u003cstrong\u003ereplace carbon brushes proactively\u003c\/strong\u003e before they wear down to the minimum length, as worn brushes cause commutator damage; \u003cstrong\u003eavoid overloading the grinder\u003c\/strong\u003e by using the correct disc type and size for the application; ensure the tool's \u003cstrong\u003eventilation slots are kept clear\u003c\/strong\u003e of dust and debris to prevent motor overheating; and store the tool in a \u003cstrong\u003edry environment\u003c\/strong\u003e to prevent moisture ingress into the windings. Regular inspection of the commutator surface for pitting or discolouration will also allow early intervention before damage becomes severe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c!-- END FAQ SECTION --\u003e\n\u003c\/div\u003e\n\u003c!-- END PRODUCT DESCRIPTION --\u003e","brand":"Ideal Power Tools","offers":[{"title":"Default Title","offer_id":46346331914455,"sku":"30045","price":48.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/1962\/5687\/files\/BigARMATUREProductIMG_74ff60b2-9fc7-4478-b3cd-d1130d4eab81.jpg?v=1756547355","url":"https:\/\/www.idealpowertools.com\/products\/ideal-armature-hq-series-gws20-180-angle-grinder-spare-part-generic-bosch-type-30045","provider":"Ideal Power Tools","version":"1.0","type":"link"}