{"product_id":"cir90-dth-button-bit","title":"CIR90 DTH Button Bit","description":"\u003cdiv class=\"perfomax-product-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eCIR90 DTH Button Bit\u003c\/strong\u003e is a low-pressure CIR-series down-the-hole rock drilling bit built around the CIR90 hammer\/shank interface family. Manufacturer references consistently identify CIR90 as a distinct low-pressure DTH bit family, while the exact diameter, face profile, button arrangement, flushing layout and weight vary by configuration. PerfoMax therefore treats those geometry fields as quotation-controlled instead of presenting one universal specification.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buyers use the CIR90 bit family\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned around the \u003cstrong\u003eCIR90 DTH interface family\u003c\/strong\u003e, not a generic outside-diameter match.\u003c\/li\u003e\n\u003cli\u003eUsed in low-pressure DTH drilling for mining, quarrying, water-well and construction rock-drilling workflows.\u003c\/li\u003e\n\u003cli\u003eManufacturer tables document multiple CIR90 diameter and face configurations, so the final bit geometry can be locked to the drilling requirement before order release.\u003c\/li\u003e\n\u003cli\u003eOrdering by confirmed hammer\/shank interface, target hole diameter, face profile and button\/flushing layout reduces the risk of mixing visually similar CIR-family parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eConfirmed reference information\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eField\u003c\/th\u003e\n\u003cth\u003eConfirmed information\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ family\u003c\/td\u003e\n\u003ctd\u003eCIR90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool type\u003c\/td\u003e\n\u003ctd\u003eLow-pressure DTH button bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMatched interface\u003c\/td\u003e\n\u003ctd\u003eCIR90 hammer \/ shank family; exact mating geometry must be confirmed before order release\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference diameter configurations\u003c\/td\u003e\n\u003ctd\u003eGood Drill documents 90, 100, 110, 120 and 130 mm CIR90 configurations in its ballistic-button \/ convex-face reference table; the ordered diameter must still be confirmed by quotation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFace profile\u003c\/td\u003e\n\u003ctd\u003eConfiguration-dependent; different CIR90 manufacturer references document convex, flat and concave designs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButton layout\u003c\/td\u003e\n\u003ctd\u003eConfiguration-dependent; confirm gauge\/front button count, button diameter and carbide profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlushing layout\u003c\/td\u003e\n\u003ctd\u003eConfiguration-dependent; confirm flushing-hole number and position before production \/ shipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit weight\u003c\/td\u003e\n\u003ctd\u003eConfiguration-dependent; confirm against the selected bit geometry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003eTechnical note: published CIR90 tables do not use one identical geometry set for every CIR90 bit. This page keeps configuration-sensitive dimensions and layouts quotation-controlled unless the order drawing or approved specification locks them.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTypical applications\u003c\/h2\u003e\n\u003cp\u003eCIR-series low-pressure DTH bits are used in rock drilling for mining and quarry work, water-well drilling and construction applications. Final selection should be based on the matched hammer, target hole diameter, rock formation, required hole quality and the buyer-approved bit configuration.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility and ordering checks\u003c\/h2\u003e\n\u003cp\u003eDo not select a CIR90 bit by outside appearance or nominal hole diameter alone. Before order release, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ethe matched hammer is compatible with the CIR90 low-pressure DTH interface;\u003c\/li\u003e\n\u003cli\u003etarget hole diameter and any clearance or reaming requirement;\u003c\/li\u003e\n\u003cli\u003eexact tail-shank dimensions, spline profile and mating geometry;\u003c\/li\u003e\n\u003cli\u003eface profile and carbide-button profile required for the drilling condition;\u003c\/li\u003e\n\u003cli\u003egauge\/front button count and button diameters;\u003c\/li\u003e\n\u003cli\u003eflushing-hole number and position;\u003c\/li\u003e\n\u003cli\u003erock formation, drilling conditions and expected wear environment;\u003c\/li\u003e\n\u003cli\u003erequired inspection evidence, quantity and packing method.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e CIR76, CIR90, CIR110, CIR130 and other CIR-family tools can look similar. A nearby nominal diameter does not prove interchangeability. The hammer\/shank interface and order-specific geometry take priority over visual similarity.\u003c\/p\u003e\n\n\u003ch2\u003eSupply scope\u003c\/h2\u003e\n\u003cp\u003eThe standard quotation can cover the CIR90 DTH button bit in the buyer-approved configuration. DTH hammer, drill pipe, couplings, adapters, spare parts and other drilling-system components are not assumed to be included unless they are explicitly listed in the quotation.\u003c\/p\u003e\n\n\u003ch2\u003eQuality and inspection\u003c\/h2\u003e\n\u003cp\u003eFor model-controlled DTH bits, inspection should focus on the attributes that determine fit and drilling behavior. Depending on the order, PerfoMax can align the inspection record to the approved specification and check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emodel \/ order identification and supplied quantity;\u003c\/li\u003e\n\u003cli\u003eoverall bit diameter and critical shank-interface dimensions;\u003c\/li\u003e\n\u003cli\u003espline profile and mating geometry;\u003c\/li\u003e\n\u003cli\u003eface profile, gauge\/front button arrangement and button condition;\u003c\/li\u003e\n\u003cli\u003eflushing-hole arrangement;\u003c\/li\u003e\n\u003cli\u003evisible machining, surface condition and packing condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf a drawing, approved sample or signed specification is part of the purchase order, that approved document should control acceptance rather than a generic CIR90 family table.\u003c\/p\u003e\n\n\u003ch2\u003eMOQ, lead time and packaging\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMOQ:\u003c\/strong\u003e confirmed by quotation for the selected configuration and quantity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLead time:\u003c\/strong\u003e confirmed after the CIR90 geometry and order quantity are locked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e export packing is selected according to bit size, quantity and shipping method; special labeling or buyer packing instructions should be stated in the RFQ.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eIs every CIR90 DTH bit interchangeable?\u003c\/h3\u003e\n\u003cp\u003eNo. CIR90 identifies an interface family, but manufacturer references show multiple diameter, face, button and flushing configurations. Confirm the exact hammer\/shank match and ordered bit geometry before substitution.\u003c\/p\u003e\n\n\u003ch3\u003eWhat information should I send for a CIR90 bit quotation?\u003c\/h3\u003e\n\u003cp\u003eSend the matched hammer model, target hole diameter, current bit photos or drawing if available, face\/button preference, rock condition, quantity and any inspection or packing requirement.\u003c\/p\u003e\n\n\u003ch3\u003eCan I order by hole diameter only?\u003c\/h3\u003e\n\u003cp\u003eIt is not recommended. Similar hole diameters can exist across different CIR families. The hammer\/shank interface and detailed bit geometry should be verified together.\u003c\/p\u003e\n\n\u003ch3\u003eWhich face shape should I choose?\u003c\/h3\u003e\n\u003cp\u003ePublished CIR90 references include more than one face design. The correct choice depends on rock condition, drilling objective and the matched hammer setup, so the face should be locked in the quotation rather than inferred from the CIR90 name alone.\u003c\/p\u003e\n\n\u003ch3\u003eAre the hammer and drill pipe included?\u003c\/h3\u003e\n\u003cp\u003eNot unless the quotation explicitly includes them. This product page is for the CIR90 DTH button bit; other system components should be listed separately in the RFQ.\u003c\/p\u003e\n\n\u003ch2\u003eRelated products and categories\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/dth-tools\"\u003eDTH Tools\u003c\/a\u003e — browse the current DTH product family.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/drill-bits\"\u003eDrill Bits\u003c\/a\u003e — review other drill-bit categories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRequest a quote\u003c\/h2\u003e\n\u003cp\u003eFor a safe CIR90 match, send your hammer model, required hole diameter, current bit\/shank photos or drawing, rock condition and quantity. We will confirm the interface and order-specific geometry before finalizing the quotation.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/request-a-quote\"\u003e\u003cstrong\u003eRequest a CIR90 DTH bit quotation\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003eTechnical review basis: CIR90 identity and reference configurations were cross-checked against Good Drill CIR90 DTH bit data and independent CIR90 manufacturer tables. Conflicting geometry fields are intentionally left quotation-controlled.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PerfoMax","offers":[{"title":"Default Title","offer_id":45757140271311,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9308\/9999\/files\/perfomax-cir90-white-bg-v1.jpg?v=1787389242","url":"https:\/\/perfomaxdrill.com\/products\/cir90-dth-button-bit","provider":" PerfoMax","version":"1.0","type":"link"}