{"product_id":"id-hq-series-armature-1212-7-teeth-demolition-hammer-spare-part-makita-type-30118","title":"ID HQ SERIES ARMATURE [1212] [7 TEETH] DEMOLITION HAMMER SPARE PART [Makita Type] - 30118","description":"\u003ch2\u003eRestore Peak Impact Power — Engineered to Last Blow After Blow\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eID HQ Series Armature [1212] [7 Teeth]\u003c\/strong\u003e is a premium \u003cstrong\u003edemolition hammer spare part\u003c\/strong\u003e engineered for Makita-type 1212 demolition hammers. Built with \u003cstrong\u003ehigh-grade copper windings\u003c\/strong\u003e and a \u003cstrong\u003e7-teeth helical shaft (spiral gear pinion)\u003c\/strong\u003e, this replacement armature delivers precise \u003cstrong\u003eelectro-mechanical energy conversion\u003c\/strong\u003e, restoring your tool to full factory performance with a direct-fit installation.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px; border: 1px solid #e0e0e0; background-color: #000000; color: #ffffff;\"\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px; border: 1px solid #e0e0e0; background-color: #000000; color: #ffffff;\"\u003e\u003cstrong\u003ePerfect For\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eHeavy-duty copper windings for maximum conductivity\u003c\/li\u003e\n\u003cli\u003e7-teeth helical spiral gear pinion shaft\u003c\/li\u003e\n\u003cli\u003eDynamically balanced precision rotor\u003c\/li\u003e\n\u003cli\u003eReinforced commutator for smooth current transmission\u003c\/li\u003e\n\u003cli\u003eHeat-resistant insulation varnish coating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 40%; vertical-align: top; text-align: left; padding: 10px; border: 1px solid #e0e0e0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003eRepairing Makita-type 1212 demolition hammers\u003c\/li\u003e\n\u003cli\u003eHeavy-duty construction and demolition site use\u003c\/li\u003e\n\u003cli\u003eProfessional power tool maintenance workshops\u003c\/li\u003e\n\u003cli\u003eCost-effective tool rebuild instead of full replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Copper Winding Construction:\u003c\/strong\u003e The armature is wound with premium-quality \u003cstrong\u003epure copper wire\u003c\/strong\u003e that ensures optimal electrical conductivity, minimal resistance, and superior heat dissipation — critical for sustaining power output during prolonged heavy-duty demolition work without performance degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Teeth Helical Spiral Gear Pinion Shaft:\u003c\/strong\u003e The \u003cstrong\u003e7-teeth helical gear drive\u003c\/strong\u003e is machined to precise tolerances, enabling smooth, efficient torque transfer from the armature to the hammer mechanism. The helical tooth profile reduces gear noise, distributes impact loads evenly, and extends drivetrain service life compared to straight-cut alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamically Balanced Precision Rotor:\u003c\/strong\u003e Each armature undergoes dynamic balancing to eliminate micro-vibrations that accelerate bearing wear, degrade brush contact, and cause premature motor failure. The result is a noticeably smoother operation, reduced operator fatigue, and extended tool longevity even under continuous high-RPM conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Commutator for High-RPM Reliability:\u003c\/strong\u003e The \u003cstrong\u003ereinforced commutator segments\u003c\/strong\u003e are engineered for consistent electrical contact with carbon brushes across thousands of operating hours. The precision-machined surface minimises spark formation, reduces brush erosion, and maintains stable current flow — directly translating to consistent striking energy at the chisel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat-Resistant Insulation Varnish Coating:\u003c\/strong\u003e The entire winding assembly is coated with a \u003cstrong\u003ethermal-grade insulation varnish\u003c\/strong\u003e that seals the copper windings against dust intrusion, moisture, and thermal overload — a common failure point in demolition environments. This protective layer maintains dielectric integrity and prevents inter-winding short circuits during sustained load cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-Fit Replacement for Makita-Type 1212 Demolition Hammers:\u003c\/strong\u003e Manufactured to OEM-equivalent dimensions and specifications, this armature installs directly into \u003cstrong\u003ecompatible 1212-type demolition hammer housings\u003c\/strong\u003e without modification, reducing downtime and eliminating the need for professional fitting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis armature spare part is supplied with all necessary components for a complete motor rebuild, and its design conforms to the quality and safety standards expected of professional-grade power tool replacement parts. It is identified by part reference \u003cstrong\u003e30118\u003c\/strong\u003e and is compatible with the Makita-type 1212 demolition hammer platform.\u003c\/p\u003e\n\u003c!-- CSS Styles for the FAQ Section --\u003e\n\u003cstyle\u003e\n.faq-section-styled {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n  margin-top: 40px;\n}\n.faq-section-styled h2 {\n  font-size: 2em;\n  font-weight: 700;\n  color: #1C2228;\n  border-bottom: 2px solid #F4F4F4;\n  padding-bottom: 15px;\n  margin-bottom: 30px;\n}\n.faq-section-styled details {\n  background-color: #f9f9f9;\n  border: 1px solid #e9e9e9;\n  border-radius: 8px;\n  margin-bottom: 15px;\n  overflow: hidden;\n}\n.faq-section-styled summary {\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  padding: 20px;\n  font-weight: 600;\n  font-size: 1.1em;\n  color: #1C2228;\n  cursor: pointer;\n  list-style: none;\n}\n.faq-section-styled summary::-webkit-details-marker {\n  display: none;\n}\n.faq-section-styled .question-title {\n  display: flex;\n  align-items: center;\n}\n.faq-section-styled .question-title::before {\n  content: '\\25B6';\n  margin-right: 15px;\n  font-size: 0.8em;\n  color: #1C2228;\n}\n.faq-section-styled summary::after {\n  content: '+';\n  font-size: 1.8em;\n  font-weight: 300;\n  color: #1C2228;\n  transition: transform 0.2s ease-in-out;\n}\n.faq-section-styled details[open] summary::after {\n  transform: rotate(45deg);\n}\n.faq-section-styled .faq-answer-content {\n  background-color: #FFFFFF;\n  padding: 20px 20px 20px 55px;\n  border-top: 1px solid #e9e9e9;\n}\n.faq-section-styled .faq-answer-content p {\n  margin: 0;\n  font-size: 1em;\n  line-height: 1.7;\n  color: #2E2E2E;\n  text-align: left;\n}\n.faq-section-styled .faq-answer-content p strong {\n    color: #1C2228;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"faq-section-styled\"\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 demolition hammer?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThis armature is specifically designed for \u003cstrong\u003eMakita-type 1212 demolition hammers\u003c\/strong\u003e (part reference 30118). It is engineered to OEM-equivalent dimensions for a direct-fit installation. If your hammer is a 1212-type compatible model, this armature will fit without modification. If you are unsure, check your tool's model plate or contact us with your tool's model number.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhy choose this armature over a generic replacement?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe ID HQ Series armature is manufactured with \u003cstrong\u003ehigh-grade copper windings\u003c\/strong\u003e, a \u003cstrong\u003ereinforced commutator\u003c\/strong\u003e, and a \u003cstrong\u003eheat-resistant insulation varnish\u003c\/strong\u003e — features that generic low-cost alternatives often omit. These construction details directly impact the longevity of the repair, the stability of power output, and the protection of surrounding motor components such as carbon brushes and bearings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs it more cost-effective to replace the armature or buy a new tool?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eIn most cases, replacing the \u003cstrong\u003earmature spare part\u003c\/strong\u003e is significantly more economical than purchasing a new demolition hammer. The armature is one of the most common wear components in electric demolition hammers, and a quality replacement like this one can restore the tool to near-original performance at a fraction of the cost of a new unit — making it the preferred choice for professional workshops and cost-conscious tradespeople alike.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch2\u003eProduct-Specific and Usage Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat does the 7-teeth helical shaft design do?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThe \u003cstrong\u003e7-teeth helical spiral gear pinion shaft\u003c\/strong\u003e is the interface between the armature and the hammer's gear drive system. The helical tooth geometry allows for smoother, quieter torque transfer compared to straight-cut gears, and distributes mechanical impact loads across a wider contact area. This reduces wear on both the armature shaft and the mating gear, contributing to a longer overall drivetrain service life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eHow does the dynamic balancing of the rotor affect performance?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eA \u003cstrong\u003edynamically balanced rotor\u003c\/strong\u003e minimises the micro-vibrations generated at high RPM that are a primary cause of premature bearing failure and carbon brush wear. In a demolition hammer, where vibration is already an inherent operating condition, a well-balanced armature helps isolate motor vibration from mechanical vibration, resulting in smoother operation, reduced operator hand-arm fatigue, and a measurably longer service interval between motor maintenance events.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWhat winding material is used and why does it matter?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThis armature uses \u003cstrong\u003epure copper windings\u003c\/strong\u003e, not aluminium substitutes. Copper offers significantly lower electrical resistance, better thermal conductivity, and higher current-carrying capacity — all of which translate to more efficient power conversion, less heat build-up during extended operation, and a longer winding lifespan. The windings are also sealed with a \u003cstrong\u003eheat-resistant insulation varnish\u003c\/strong\u003e for additional protection against dust and thermal stress.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003ch2\u003eProblem\/Solution-Oriented Queries\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eMy demolition hammer has lost power or is running rough — could the armature be the cause?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eYes. A \u003cstrong\u003eworn or damaged armature\u003c\/strong\u003e is one of the most frequent causes of power loss, intermittent operation, excessive sparking at the brushes, or rough running in demolition hammers. Signs of armature failure include burning smell, visible scorch marks on the commutator, excessive brush wear, or the motor cutting in and out under load. Replacing the armature with this \u003cstrong\u003eHQ Series direct-fit unit\u003c\/strong\u003e will typically resolve these symptoms and restore full impact performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eWill excessive heat damage this armature during heavy use?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThis armature is engineered for demanding conditions. The \u003cstrong\u003eheat-resistant insulation varnish\u003c\/strong\u003e applied to the copper windings protects against thermal degradation during sustained high-load operation. Coupled with the \u003cstrong\u003ecopper winding's superior heat dissipation properties\u003c\/strong\u003e versus aluminium, the armature is designed to withstand the thermal cycling typical of professional demolition work. For best results, allow the tool to cool periodically during extended continuous use as per standard tool-care practice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cspan class=\"question-title\"\u003eIs installation straightforward, or do I need a specialist?\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"faq-answer-content\"\u003e\n\u003cp\u003eThis armature is a \u003cstrong\u003edirect-fit replacement\u003c\/strong\u003e designed to match the OEM dimensions of the Makita-type 1212 demolition hammer, which means no custom fitting or machining is required. A technician with basic power tool repair experience and standard workshop tools can complete the swap. However, if you are not confident working with electric motor components, we recommend having the replacement carried out by a qualified power tool service centre to ensure correct brush seating and commutator alignment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Ideal Power Tools","offers":[{"title":"Default Title","offer_id":49792102170839,"sku":"30118","price":39.0,"currency_code":"AED","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0714\/1962\/5687\/files\/IDHQSERIESARMATURE_1212_7TEETH_DEMOLITIONHAMMERSPAREPART_MakitaType_-30118.jpg?v=1789480262","url":"https:\/\/www.idealpowertools.com\/products\/id-hq-series-armature-1212-7-teeth-demolition-hammer-spare-part-makita-type-30118","provider":"Ideal Power Tools","version":"1.0","type":"link"}