{"title":"Home page","description":null,"products":[{"product_id":"yt29a-air-leg-pneumatic-rock-drill-34-45mm-5m-max-depth-mining-tunneling","title":"YT29A Heavy-Duty Air-Leg Pneumatic Rock Drill for 34–45 mm Blast Holes","description":"\u003csection class=\"pm-product-copy\"\u003e\u003cp\u003e\u003cstrong\u003eModel \/ SKU:\u003c\/strong\u003e PFM-YT29A\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Heavy-duty pneumatic rock drill for horizontal, inclined and upward blast-hole or anchor-hole drilling in underground mining, tunneling and rock excavation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e 34–45 mm drilling diameter · Up to 5 m drilling depth · 0.4–0.63 MPa working pressure · H22 × 108 mm shank · Compatible with FT160 and FT170 series air legs.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/request-a-quote?product=PFM-YT29A\u0026amp;inquiry_type=product-quotation\u0026amp;source=yt29a-product-page#rfq-form\"\u003e\u003cstrong\u003eRequest Price \u0026amp; Configuration\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eTell us your rock condition, hole diameter, working pressure and required quantity. We will confirm the suitable drilling configuration before quotation. No commitment required. Response within one business day.\u003c\/p\u003e\n\u003ch2\u003eAt a Glance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e≥69 J \/ ≥78 J Impact Energy\u003c\/strong\u003e at 0.5 MPa \/ 0.63 MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e≥37 Hz \/ ≥39 Hz Impact Frequency\u003c\/strong\u003e at 0.5 MPa \/ 0.63 MPa.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.4–0.63 MPa Working Pressure\u003c\/strong\u003e; approximately 0.5 MPa at the drill is recommended for normal operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications — Summary Table\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003ePFM-YT29A\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRock Drill Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 26.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Energy\u003c\/td\u003e\n\u003ctd\u003e≥69 J at 0.5 MPa; ≥78 J at 0.63 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Consumption\u003c\/td\u003e\n\u003ctd\u003e≤65 L\/s at 0.5 MPa; ≤88 L\/s at 0.63 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification Note:\u003c\/strong\u003e Performance values are measured under specified air-pressure conditions. Actual drilling performance also depends on air delivery at the tool, hose diameter and length, rock condition, drill steel, bit condition, water flushing and operator technique.\u003c\/p\u003e\n\u003ch2\u003eCompatible With\u003c\/h2\u003e\n\u003cp\u003eThe PFM-YT29A can be configured as a complete pneumatic drilling system according to the tunnel section, drilling direction and available air supply.\u003c\/p\u003e\n\u003ch3\u003eCompatible Air Legs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFT160A\u003c\/li\u003e\n\u003cli\u003eFT160B\u003c\/li\u003e\n\u003cli\u003eFT160C\u003c\/li\u003e\n\u003cli\u003eFT170\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe appropriate air-leg model should be selected according to the required feed length, drilling height, working angle and available operating space.\u003c\/p\u003e\n\u003ch3\u003eCompatible Drill Steels and Bits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShank specification: H22 × 108 mm\u003c\/li\u003e\n\u003cli\u003eRecommended drilling diameter: 34–45 mm\u003c\/li\u003e\n\u003cli\u003eTapered drill rods and compatible tapered button bits or chisel bits\u003c\/li\u003e\n\u003cli\u003eRod length and bit design selected according to hole depth and rock condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended Supporting Equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFY250 in-line lubricator\u003c\/li\u003e\n\u003cli\u003eAir hose with a minimum inner diameter of 25 mm\u003c\/li\u003e\n\u003cli\u003eWater hose with an inner diameter of approximately 13 mm\u003c\/li\u003e\n\u003cli\u003eWater separator for compressed-air lines\u003c\/li\u003e\n\u003cli\u003eSuitable air compressor capable of maintaining the required pressure at the rock drill\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBefore quotation, send us the models or specifications of your existing air leg, drill rods, bits and compressor. Our technical team will check compatibility before order confirmation.\u003c\/p\u003e\n\u003ch2\u003eWhy It Performs\u003c\/h2\u003e\n\u003ch3\u003eHeavy-Duty Impact Mechanism\u003c\/h3\u003e\n\u003cp\u003eThe YT29A uses an 82 mm cylinder and a 60 mm piston stroke to deliver high impact output for medium-hard and hard rock drilling. Its heavy-duty configuration makes it particularly suitable for demanding underground headings and tunneling work where a lighter rock drill may provide insufficient penetration performance.\u003c\/p\u003e\n\u003ch3\u003eControlled Collaring and Drilling\u003c\/h3\u003e\n\u003cp\u003eThe throttle and feed controls allow the operator to start the hole at reduced feed force and then increase feed after the bit has established a stable drilling position. Correct feed adjustment helps maintain drilling efficiency while reducing unnecessary bending and wear of the drill steel.\u003c\/p\u003e\n\u003ch3\u003eIntegrated Percussion, Rotation and Flushing\u003c\/h3\u003e\n\u003cp\u003eCompressed air powers the percussion and rotation mechanisms, while water flushing helps remove drill cuttings and control airborne dust. An additional blow-cleaning function allows the operator to clear the hole when stronger flushing is required.\u003c\/p\u003e\n\u003ch3\u003eDesigned for Field Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe YT29A uses a conventional mechanical structure with replaceable pistons, valve components, ratchet parts, rifle bars, shank bushings, seals and other wear components. Exploded drawings and recommended spare-parts lists can be supplied to support inspection and maintenance at the job site.\u003c\/p\u003e\n\u003ch3\u003eAdjustable Air-Leg Feed\u003c\/h3\u003e\n\u003cp\u003eWhen combined with a suitable FT160 or FT170 series air leg, the operator can regulate feed force according to drilling angle, rock resistance and bit condition. Correct feed pressure improves bit contact and helps avoid excessive drill-steel deflection.\u003c\/p\u003e\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe PFM-YT29A is primarily intended for pneumatic drilling in confined or manually operated rock-excavation environments.\u003c\/p\u003e\n\u003ch3\u003eUnderground Mine Development\u003c\/h3\u003e\n\u003cp\u003eFor blast holes in mine headings, crosscuts, drifts and other underground development work where compressed-air drilling remains the practical operating method.\u003c\/p\u003e\n\u003ch3\u003eTunnel Excavation\u003c\/h3\u003e\n\u003cp\u003eFor horizontal and inclined blast holes in railway, highway, hydropower and utility tunnel construction, especially in small and medium tunnel sections.\u003c\/p\u003e\n\u003ch3\u003eUpward and Inclined Anchor Holes\u003c\/h3\u003e\n\u003cp\u003eThe air-leg support and adjustable feed system make the YT29A suitable for upward or inclined anchor holes, depending on the selected air leg, working height and drill-steel configuration.\u003c\/p\u003e\n\u003ch3\u003eHard-Rock Excavation\u003c\/h3\u003e\n\u003cp\u003eSuitable for medium-hard and hard rock when the compressor, air hose, bit type, drill rod and operating pressure are correctly matched.\u003c\/p\u003e\n\u003ch3\u003eTypical Drilling Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrilling direction: horizontal, inclined and upward\u003c\/li\u003e\n\u003cli\u003eRecommended hole diameter: 34–45 mm\u003c\/li\u003e\n\u003cli\u003eMaximum drilling depth: up to approximately 5 m\u003c\/li\u003e\n\u003cli\u003eDrilling method: water-flushed pneumatic drilling\u003c\/li\u003e\n\u003cli\u003eTypical projects: mining, tunneling, hydropower construction and rock excavation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor handheld air-leg operation, water flushing should be used in accordance with the operating manual and applicable local dust-control and occupational-safety regulations.\u003c\/p\u003e\n\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\n\u003cp\u003eEvery PFM-YT29A is inspected before export shipment to confirm basic assembly condition and operating functions.\u003c\/p\u003e\n\u003cp\u003eThe pre-shipment inspection can include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProduct model and configuration verification\u003c\/li\u003e\n\u003cli\u003eVisual inspection of major castings and machined components\u003c\/li\u003e\n\u003cli\u003eFastener and connection inspection\u003c\/li\u003e\n\u003cli\u003eThrottle and feed-control operation\u003c\/li\u003e\n\u003cli\u003eNo-load running check\u003c\/li\u003e\n\u003cli\u003eAir and water passage inspection\u003c\/li\u003e\n\u003cli\u003eVisible air-leakage inspection\u003c\/li\u003e\n\u003cli\u003eAccessory and spare-parts verification\u003c\/li\u003e\n\u003cli\u003ePacking-condition inspection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInspection photos and a basic pre-shipment test record can be supplied upon request.\u003c\/p\u003e\n\u003cp\u003eFor third-party inspection requirements, inspection standards and acceptance criteria should be agreed before production or order confirmation.\u003c\/p\u003e\n\u003ch2\u003eMOQ \u0026amp; Delivery\u003c\/h2\u003e\n\u003cp\u003eThe YT29A can be supplied as a rock-drill body, an air-leg drilling set or a complete drilling package with rods, bits, hoses, lubricator and recommended spare parts.\u003c\/p\u003e\n\u003ch3\u003eAvailable Order Configurations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYT29A rock-drill body only\u003c\/li\u003e\n\u003cli\u003eYT29A with FT160 or FT170 series air leg\u003c\/li\u003e\n\u003cli\u003eYT29A with air leg and FY250 lubricator\u003c\/li\u003e\n\u003cli\u003eComplete drilling package with rods and bits\u003c\/li\u003e\n\u003cli\u003eDistributor or project batch orders\u003c\/li\u003e\n\u003cli\u003eRecommended commissioning spare-parts package\u003c\/li\u003e\n\u003cli\u003eSpare-parts package for scheduled maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMOQ and production lead time depend on the selected configuration, order quantity and stock availability.\u003c\/p\u003e\n\u003cp\u003eStandard export packing can be supplied in a reinforced plywood case with internal fixing and corrosion protection. Packing dimensions, gross weight, shipping terms and estimated delivery time will be confirmed in the formal quotation.\u003c\/p\u003e\n\u003cp\u003eTo receive an accurate quotation, please provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequired quantity\u003c\/li\u003e\n\u003cli\u003eRequired configuration\u003c\/li\u003e\n\u003cli\u003eDrill-hole diameter and depth\u003c\/li\u003e\n\u003cli\u003eRock condition\u003c\/li\u003e\n\u003cli\u003eCompressor working pressure\u003c\/li\u003e\n\u003cli\u003eRequired drill rods and bits\u003c\/li\u003e\n\u003cli\u003eDestination country or port\u003c\/li\u003e\n\u003cli\u003eExpected purchasing date\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Documents\u003c\/h2\u003e\n\u003cp\u003eThe following documents are available for technical review or order support:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYT29A technical datasheet\u003c\/li\u003e\n\u003cli\u003eOperation and safety instructions\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance guide\u003c\/li\u003e\n\u003cli\u003eExploded parts drawing\u003c\/li\u003e\n\u003cli\u003eSpare-parts list\u003c\/li\u003e\n\u003cli\u003eRecommended wear-parts package\u003c\/li\u003e\n\u003cli\u003eAir-leg specification sheet\u003c\/li\u003e\n\u003cli\u003ePacking list\u003c\/li\u003e\n\u003cli\u003ePre-shipment inspection record\u003c\/li\u003e\n\u003cli\u003eAvailable product conformity documents applicable to the order\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePlease include the model PFM-YT29A and your required configuration when requesting technical documents.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs the YT29A suitable for my rock and drilling application?\u003c\/h3\u003e\n\u003cp\u003eThe YT29A is generally selected for horizontal, inclined and upward drilling in medium-hard and hard rock, with a recommended hole diameter of 34–45 mm and drilling depths up to approximately 5 m.\u003c\/p\u003e\n\u003cp\u003eFor accurate model selection, provide the rock type or uniaxial compressive strength if available, hole direction, required diameter, hole depth, available air pressure and expected daily drilling workload.\u003c\/p\u003e\n\u003cp\u003eWe will assess whether the YT29A is appropriate or whether another pneumatic rock-drill model would provide a better balance of weight, air consumption and drilling output.\u003c\/p\u003e\n\u003ch3\u003eWhat compressor capacity is required for one YT29A?\u003c\/h3\u003e\n\u003cp\u003eThe compressor must maintain the required pressure at the rock drill, not only at the compressor outlet.\u003c\/p\u003e\n\u003cp\u003eAt approximately 0.5 MPa, the YT29A air consumption is up to approximately 65 L\/s. At 0.63 MPa, air consumption can reach approximately 88 L\/s. Additional compressor capacity should be allowed for hose pressure loss, couplings, air leakage, altitude and simultaneous operation of other pneumatic equipment.\u003c\/p\u003e\n\u003cp\u003eUse an air hose with an inner diameter of at least 25 mm. For normal field operation, the total hose length should ideally be kept below approximately 15 m wherever possible.\u003c\/p\u003e\n\u003cp\u003eSend us the compressor model, rated air delivery, outlet pressure, hose diameter and number of drills to be operated simultaneously. We will check the basic air-supply match before quotation.\u003c\/p\u003e\n\u003ch3\u003eDoes the quotation include the air leg, lubricator, drill rods and bits?\u003c\/h3\u003e\n\u003cp\u003eNot automatically. The rock-drill body, air leg, lubricator, hoses, drill rods, bits and spare-parts package are listed separately unless the quotation clearly states that a complete drilling set is included.\u003c\/p\u003e\n\u003cp\u003eThis prevents uncertainty about the supply scope and allows existing air legs or drill tools to be reused after compatibility has been confirmed.\u003c\/p\u003e\n\u003cp\u003eFor a complete set, specify the drilling direction, working height, required rod lengths, hole diameter and preferred air-leg model.\u003c\/p\u003e\n\u003ch3\u003eWhat water pressure is required?\u003c\/h3\u003e\n\u003cp\u003eA water pressure of approximately 0.3 MPa is normally used for flushing. The water pressure must remain lower than the compressed-air pressure to prevent water from entering the impact mechanism.\u003c\/p\u003e\n\u003cp\u003eAs a general operating rule, the water pressure should be at least 0.1 MPa below the air pressure at the drill. The final setting should follow the operation manual and actual site conditions.\u003c\/p\u003e\n\u003ch3\u003eWhat maintenance does the YT29A require?\u003c\/h3\u003e\n\u003cp\u003eContinuous lubrication is essential. The rock drill and air leg should receive suitable pneumatic-tool oil through an FY250 or compatible in-line lubricator.\u003c\/p\u003e\n\u003cp\u003eBefore each shift, operators should check:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLubricator oil level\u003c\/li\u003e\n\u003cli\u003eAir and water hoses\u003c\/li\u003e\n\u003cli\u003eCouplings and leakage\u003c\/li\u003e\n\u003cli\u003eDrill-steel shank condition\u003c\/li\u003e\n\u003cli\u003eShank-bushing wear\u003c\/li\u003e\n\u003cli\u003eSide-bolt tightness\u003c\/li\u003e\n\u003cli\u003eWater flushing\u003c\/li\u003e\n\u003cli\u003eAir and water pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA basic functional inspection is recommended after approximately 40 operating hours. More complete workshop inspection may be required after approximately 200 operating hours, depending on drilling conditions, maintenance quality and operating intensity.\u003c\/p\u003e\n\u003ch3\u003eWhich spare parts should be purchased with the first order?\u003c\/h3\u003e\n\u003cp\u003eFor projects located far from local service support, we recommend ordering a commissioning and wear-parts package with the first machines.\u003c\/p\u003e\n\u003cp\u003eThe exact package depends on the number of drills, operating hours and local maintenance capability, but it may include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eO-rings and seals\u003c\/li\u003e\n\u003cli\u003eValve components\u003c\/li\u003e\n\u003cli\u003eRatchet pawls, springs and pins\u003c\/li\u003e\n\u003cli\u003eRifle bar and rifle nut\u003c\/li\u003e\n\u003cli\u003eShank bushing\u003c\/li\u003e\n\u003cli\u003eWater tube and flushing components\u003c\/li\u003e\n\u003cli\u003ePiston\u003c\/li\u003e\n\u003cli\u003eCommon fasteners and retaining components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSend us the planned number of machines and estimated operating hours. We will prepare a recommended spare-parts list rather than supplying an arbitrary universal kit.\u003c\/p\u003e\n\u003ch3\u003eCan you supply compatible drill rods and rock-drill bits?\u003c\/h3\u003e\n\u003cp\u003eYes. Tapered drill rods and bits can be selected according to the H22 × 108 mm shank, required hole diameter, rock abrasiveness, drilling depth and local replacement preferences.\u003c\/p\u003e\n\u003cp\u003eBefore confirmation, provide your current rod length, taper angle, bit diameter and bit type. Photos or drawings of existing consumables are useful when interchangeability must be confirmed.\u003c\/p\u003e\n\u003ch3\u003eHow do I place a bulk or distributor order?\u003c\/h3\u003e\n\u003cp\u003eSubmit an RFQ with the required quantity, configuration, destination, expected purchasing date and annual demand estimate.\u003c\/p\u003e\n\u003cp\u003eWe will provide:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirmed technical configuration\u003c\/li\u003e\n\u003cli\u003eItemized supply scope\u003c\/li\u003e\n\u003cli\u003eUnit and batch pricing\u003c\/li\u003e\n\u003cli\u003eRecommended spare-parts package\u003c\/li\u003e\n\u003cli\u003ePacking information\u003c\/li\u003e\n\u003cli\u003eProduction lead time\u003c\/li\u003e\n\u003cli\u003ePayment terms\u003c\/li\u003e\n\u003cli\u003eShipping terms\u003c\/li\u003e\n\u003cli\u003eAvailable technical documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor repeat or distributor orders, model consistency, spare-parts requirements, packaging and documentation can be standardized before the first batch.\u003c\/p\u003e\n\u003ch2\u003eComplete System\u003c\/h2\u003e\n\u003cp\u003eA complete YT29A drilling system normally consists of:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Compressor:\u003c\/strong\u003e Provides the compressed air required for percussion, rotation and air-leg feed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Separator and Air Line:\u003c\/strong\u003e Removes excess moisture from the compressed-air supply and reduces the risk of freezing or irregular operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25 mm Inner-Diameter Air Hose:\u003c\/strong\u003e Transfers compressed air to the drill with controlled pressure loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFY250 In-Line Lubricator:\u003c\/strong\u003e Introduces pneumatic-tool oil into the air stream for continuous lubrication of the rock drill and air leg.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYT29A Pneumatic Rock Drill:\u003c\/strong\u003e Provides percussion, drill-steel rotation and flushing control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFT160A \/ FT160B \/ FT160C \/ FT170 Air Leg:\u003c\/strong\u003e Supports the rock drill and provides adjustable feed force according to working height and drilling direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH22 × 108 mm Tapered Drill Rod:\u003c\/strong\u003e Transfers impact energy and rotation from the drill to the bit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e34–45 mm Rock-Drill Bit:\u003c\/strong\u003e Selected according to hole diameter, rock strength, abrasiveness and flushing requirements.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eA complete-system quotation can include the rock drill, air leg, lubricator, hoses, couplings, drill rods, bits, tool kit and recommended spare parts.\u003c\/p\u003e\n\u003ch2\u003eNeed to Confirm Whether the YT29A Fits Your Site?\u003c\/h2\u003e\n\u003cp\u003eSend us your rock condition, hole diameter, drilling depth, compressor specification, required quantity and delivery country.\u003c\/p\u003e\n\u003cp\u003eOur team will help you confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhether the YT29A is suitable\u003c\/li\u003e\n\u003cli\u003eRequired compressor and air-hose configuration\u003c\/li\u003e\n\u003cli\u003eRecommended FT160 or FT170 air leg\u003c\/li\u003e\n\u003cli\u003eCompatible drill rods and bits\u003c\/li\u003e\n\u003cli\u003eStandard and optional supply scope\u003c\/li\u003e\n\u003cli\u003eRecommended spare-parts package\u003c\/li\u003e\n\u003cli\u003ePrice, production lead time and packing information\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/request-a-quote?product=PFM-YT29A\u0026amp;inquiry_type=technical-recommendation\u0026amp;source=yt29a-product-page-final-cta#rfq-form\"\u003e\u003cstrong\u003eRequest a Technical Quotation\u003c\/strong\u003e\u003c\/a\u003e · \u003ca href=\"\/pages\/request-a-quote?product=PFM-YT29A\u0026amp;inquiry_type=technical-question\u0026amp;source=yt29a-product-page-final-cta#rfq-form\"\u003eAsk a Configuration Question\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eNo commitment required. We normally respond within one business day.\u003c\/p\u003e\n\u003ch2\u003eBottom Technical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003ePFM-YT29A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePneumatic air-leg rock drill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRock Drill Weight\u003c\/td\u003e\n\u003ctd\u003eApprox. 26.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 659 × 248 × 205 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCylinder Diameter\u003c\/td\u003e\n\u003ctd\u003e82 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Stroke\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Air Pressure\u003c\/td\u003e\n\u003ctd\u003e0.4–0.63 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Tool Pressure\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.5 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Energy at 0.5 MPa\u003c\/td\u003e\n\u003ctd\u003e≥69 J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Energy at 0.63 MPa\u003c\/td\u003e\n\u003ctd\u003e≥78 J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Frequency at 0.5 MPa\u003c\/td\u003e\n\u003ctd\u003e≥37 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Frequency at 0.63 MPa\u003c\/td\u003e\n\u003ctd\u003e≥39 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Consumption at 0.5 MPa\u003c\/td\u003e\n\u003ctd\u003e≤65 L\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Consumption at 0.63 MPa\u003c\/td\u003e\n\u003ctd\u003e≤88 L\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical Water Pressure\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.3 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Hose Inner Diameter\u003c\/td\u003e\n\u003ctd\u003e≥25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Hose Inner Diameter\u003c\/td\u003e\n\u003ctd\u003eApprox. 13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Drilling Diameter\u003c\/td\u003e\n\u003ctd\u003e34–45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Drilling Depth\u003c\/td\u003e\n\u003ctd\u003eUp to approximately 5 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank Specification\u003c\/td\u003e\n\u003ctd\u003eH22 × 108 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Air Legs\u003c\/td\u003e\n\u003ctd\u003eFT160A, FT160B, FT160C, FT170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Lubricator\u003c\/td\u003e\n\u003ctd\u003eFY250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrilling Direction\u003c\/td\u003e\n\u003ctd\u003eHorizontal, inclined and upward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Applications\u003c\/td\u003e\n\u003ctd\u003eUnderground mining, tunneling, anchor-hole and blast-hole drilling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Disclaimer:\u003c\/strong\u003e Technical data represents the standard PFM-YT29A configuration. Product details may vary according to production batch, selected accessories and agreed order requirements. Final specifications and supply scope are subject to the signed quotation or technical agreement.\u003c\/p\u003e\u003c\/section\u003e","brand":"PerfoMax","offers":[{"title":"Default Title","offer_id":45619081314511,"sku":"PFM-YT29A","price":240.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9308\/9999\/files\/yt29a-air-leg-rock-drill.jpg?v=1784716310"}],"url":"https:\/\/perfomaxdrill.com\/collections\/frontpage.oembed","provider":" PerfoMax","version":"1.0","type":"link"}