{"product_id":"cir76-low-pressure-dth-hammer","title":"CIR76 Low-pressure DTH Hammer","description":"\u003cdiv class=\"perfomax-product-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eCIR76 Low-pressure DTH Hammer\u003c\/strong\u003e is a CIR-series down-the-hole hammer for low-air-pressure rock drilling. Multiple independent CIR76 manufacturer references consistently show a \u003cstrong\u003e66 mm reference outside diameter\u003c\/strong\u003e, \u003cstrong\u003e13.5 kg reference weight\u003c\/strong\u003e, \u003cstrong\u003e76 mm nominal matched-bit diameter\u003c\/strong\u003e, \u003cstrong\u003e4–10 bar reference working-pressure range\u003c\/strong\u003e and \u003cstrong\u003e6–10 m³\/min reference air-consumption range\u003c\/strong\u003e. Published CIR76 data is not fully uniform, however, on hammer length and bit-shank naming: some sources label the interface CIR76 while others use CIR70\/CIR76. PerfoMax therefore keeps those compatibility-sensitive fields quotation-controlled rather than combining incompatible supplier tables.\u003c\/p\u003e\n\n\u003ch2\u003eWhy buyers use the CIR76 hammer family\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the \u003cstrong\u003eCIR76 low-pressure DTH system family\u003c\/strong\u003e, rather than selected from appearance alone.\u003c\/li\u003e\n\u003cli\u003eCommonly used in water-well, mining, quarry and construction rock-drilling applications.\u003c\/li\u003e\n\u003cli\u003eCross-checked manufacturer references provide useful preliminary checkpoints for hammer body size and air-system planning.\u003c\/li\u003e\n\u003cli\u003eBit interface, top-sub connection and final compressor match are confirmed before order release to reduce the risk of mixing similar CIR-family components.\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\u003eCIR76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool type\u003c\/td\u003e\n\u003ctd\u003eLow-pressure DTH hammer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference outside diameter\u003c\/td\u003e\n\u003ctd\u003e66 mm — consistent across multiple independent CIR76 manufacturer references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference unit weight\u003c\/td\u003e\n\u003ctd\u003e13.5 kg — consistent across multiple independent CIR76 manufacturer references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference matched-bit diameter\u003c\/td\u003e\n\u003ctd\u003e76 mm nominal manufacturer reference; final ordered bit must still be confirmed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference working pressure\u003c\/td\u003e\n\u003ctd\u003e4–10 bar manufacturer reference range; verify against the supplied hammer and compressor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference air consumption\u003c\/td\u003e\n\u003ctd\u003e6–10 m³\/min manufacturer reference range; verify against operating pressure and compressor data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHammer length\u003c\/td\u003e\n\u003ctd\u003eConfiguration-dependent; published CIR76 references include different overall lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop-sub \/ drill-pipe connection\u003c\/td\u003e\n\u003ctd\u003eConfirm exact thread and connection before order release\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMatched bit \/ shank\u003c\/td\u003e\n\u003ctd\u003eConfirm actual mating profile from drawing, current bit, hammer identification or approved quotation; published naming includes both CIR76 and CIR70\/CIR76 conventions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003csmall\u003eTechnical note: the figures above are model-level manufacturer references, not a substitute for the buyer-approved order specification. Similar CIR-series components can overlap in size while using different mating details.\u003c\/small\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTypical applications\u003c\/h2\u003e\n\u003cp\u003eCIR76 low-pressure DTH hammers are documented for \u003cstrong\u003ewater-well drilling, mining, quarrying and construction rock drilling\u003c\/strong\u003e. The correct setup depends on rock formation, target hole diameter, selected bit, compressor capability, drill-pipe connection and rig configuration.\u003c\/p\u003e\n\n\u003ch2\u003eCompatibility and ordering checks\u003c\/h2\u003e\n\u003cp\u003eA CIR76 hammer should not be ordered from nominal diameter or visual similarity alone. Before production or shipment, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003etarget hole diameter and selected DTH bit configuration;\u003c\/li\u003e\n\u003cli\u003ethe exact bit-shank \/ mating geometry required by the supplied hammer;\u003c\/li\u003e\n\u003cli\u003etop-sub thread and drill-pipe connection used on the rig;\u003c\/li\u003e\n\u003cli\u003ecompressor working pressure and available air volume;\u003c\/li\u003e\n\u003cli\u003erock formation and expected drilling condition;\u003c\/li\u003e\n\u003cli\u003erequired hammer body dimensions where rig clearance is critical;\u003c\/li\u003e\n\u003cli\u003espare-parts requirement, inspection evidence, quantity and packing instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e public CIR76 documentation uses more than one shank-naming convention. Do not approve substitution from the model label alone; verify the physical mating profile and connection dimensions.\u003c\/p\u003e\n\n\u003ch2\u003eSupply scope\u003c\/h2\u003e\n\u003cp\u003eThe quotation can cover the CIR76 low-pressure DTH hammer in the buyer-approved configuration. DTH bit, drill pipe, adapters, couplings, lubricator, compressor, rig parts and spare-part kits 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 a model-controlled DTH hammer, acceptance should focus on the features that determine fit, system integration and supplied configuration. Depending on the purchase requirement, inspection can include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003emodel \/ order identification and supplied quantity;\u003c\/li\u003e\n\u003cli\u003eoutside diameter, weight and other agreed dimensional checkpoints;\u003c\/li\u003e\n\u003cli\u003etop-sub thread and connection condition;\u003c\/li\u003e\n\u003cli\u003edriver\/chuck and bit-mating geometry against the approved drawing or sample;\u003c\/li\u003e\n\u003cli\u003evisible machining, surface condition and assembly completeness;\u003c\/li\u003e\n\u003cli\u003especified spare parts and packing completeness;\u003c\/li\u003e\n\u003cli\u003ebuyer-required labeling and inspection evidence where agreed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf a drawing, approved sample, current mating bit or signed specification forms part of the purchase order, that approved evidence should control acceptance instead of a generic CIR76 catalog 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 order quantity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLead time:\u003c\/strong\u003e confirmed after the hammer configuration, connection and quantity are locked.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e export packing is selected according to hammer size, quantity and shipping method. Special labeling, spare-parts packing or buyer packing instructions should be stated in the RFQ.\u003c\/p\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat bit size is CIR76 normally associated with?\u003c\/h3\u003e\n\u003cp\u003eMultiple manufacturer references use a 76 mm nominal matched-bit diameter for CIR76. Treat this as a model-family reference and confirm the actual bit and mating profile supplied with your order.\u003c\/p\u003e\n\n\u003ch3\u003eIs every CIR76-labeled bit automatically compatible?\u003c\/h3\u003e\n\u003cp\u003eNo. Public documents use CIR76 and CIR70\/CIR76 naming conventions for related interfaces. Confirm the actual shank profile, critical dimensions and approved bit before substitution.\u003c\/p\u003e\n\n\u003ch3\u003eWhat compressor information should I send?\u003c\/h3\u003e\n\u003cp\u003eSend the available working-pressure range, air-delivery \/ flow data and compressor model if known. The cross-checked CIR76 reference range is 4–10 bar and 6–10 m³\/min, but the final compressor match should be confirmed for the supplied hammer and operating condition.\u003c\/p\u003e\n\n\u003ch3\u003eWhat information is needed for a CIR76 quotation?\u003c\/h3\u003e\n\u003cp\u003eSend the target hole diameter, current hammer\/bit photos or identification, bit-shank information or drawing if available, drill-pipe\/top-sub connection, compressor data, rock condition, quantity and any inspection or packing requirement.\u003c\/p\u003e\n\n\u003ch3\u003eAre the DTH bit and drill pipe included?\u003c\/h3\u003e\n\u003cp\u003eNot unless the quotation explicitly includes them. This page is for the CIR76 low-pressure DTH hammer; bits, pipes, adapters and other system components should be listed separately in the RFQ.\u003c\/p\u003e\n\n\u003ch3\u003eCan I replace another CIR-series hammer with CIR76 because the sizes look close?\u003c\/h3\u003e\n\u003cp\u003eNo replacement should be approved from appearance alone. Verify the bit interface, top-sub connection, body clearance, target hole size and compressor requirements before changing hammer families.\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 drilling-tool family.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/drill-bits\"\u003eDrill Bits\u003c\/a\u003e — review bit families when preparing the matched drilling system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRequest a quote\u003c\/h2\u003e\n\u003cp\u003eFor a safe CIR76 match, send your target hole diameter, current hammer\/bit identification or photos, drill-pipe connection, compressor pressure and air-flow data, rock condition and quantity. The final supply basis will follow the confirmed order configuration rather than a generic family table.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/request-a-quote\"\u003e\u003cstrong\u003eRequest a CIR76 DTH hammer quotation\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003csmall\u003eTechnical review basis: CIR76 identity and the 66 mm, 13.5 kg, 76 mm, 4–10 bar and 6–10 m³\/min manufacturer-reference values were cross-checked across independent CIR76 sources. Conflicting hammer-length and bit-shank naming fields are intentionally left quotation-controlled.\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PerfoMax","offers":[{"title":"Default Title","offer_id":45757139484879,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9308\/9999\/files\/perfomax-cir76-dth-hammer-white-bg-v1.webp?v=1787440065","url":"https:\/\/perfomaxdrill.com\/products\/cir76-low-pressure-dth-hammer","provider":" PerfoMax","version":"1.0","type":"link"}