{"product_id":"yt24-air-leg-pneumatic-rock-drill","title":"YT24 Air-Leg Pneumatic Rock Drill — Lightweight 34–42 mm Underground Drill for Mining \u0026 Tunneling","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYT24\u003c\/strong\u003e is a lightweight air-leg pneumatic rock drill engineered for 34–42 mm blast hole drilling in underground mining, tunneling, and quarry applications. At 24 kg (drill body only), it is the lighter alternative to the YT28 and YT29A — designed for crews who need to maneuver the drill in narrow tunnels, raises, and confined mining faces where heavier tools slow down the drilling cycle.\u003c\/p\u003e\n\u003cp\u003eThe YT24 mounts on an FT140 or FT160 telescopic air leg, which provides thrust and support during drilling, reducing operator fatigue over a full shift. The H22 hexagonal shank (22×108 mm) accepts standard tapered drill rods and carbide button bits available from suppliers worldwide — no proprietary consumables required. With a working pressure of 0.4–0.63 MPa and air consumption of ≤55 L\/s, the YT24 pairs efficiently with mid-size portable diesel compressors commonly available on mining and tunneling sites.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e24 kg lightweight design\u003c\/strong\u003e — easier to maneuver in narrow drifts, raises, and confined mining faces than heavier rock drills, reducing operator strain during full-shift operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e≥65 J impact energy at ≥31 Hz\u003c\/strong\u003e — delivers sufficient penetration in medium-hard rock formations without the weight penalty of larger-class rock drills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eH22 hexagonal shank (22×108 mm)\u003c\/strong\u003e — accepts the most widely available tapered drill rods and bits in global mining and construction markets. No proprietary consumables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFT140 \/ FT160 air leg compatible\u003c\/strong\u003e — telescopic support cylinder provides thrust and reduces operator fatigue. FT160 offers 900–1,400 mm extension range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.4–0.63 MPa working pressure\u003c\/strong\u003e — pairs well with mid-size portable diesel compressors commonly found on mining and tunneling sites. No need for high-pressure air infrastructure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e≤55 L\/s air consumption\u003c\/strong\u003e — lower compressor demand per drill translates to lower fuel cost per meter drilled compared to heavier rock drills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField-serviceable valve system\u003c\/strong\u003e — accessible lubrication points and a proven valve-type air distribution mechanism mean routine maintenance can be performed at the worksite without specialized tooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYT24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight (drill only)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCylinder Bore\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePiston Stroke\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpact Energy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥65 J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpact Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≥31 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤55 L\/s (≤3.3 m³\/min) at 0.5 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4–0.63 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22×108 mm (H22 hex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Hose ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWater Hose ID\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Air Leg\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFT140 (lighter duty) or FT160 (standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Drill Rod\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eH22 hexagonal tapered drill rod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended Bit Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e34–42 mm tapered carbide button bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderground mining\u003c\/strong\u003e — blast hole drilling in medium-hard rock tunnels, drifts, crosscuts, and raises where lighter drills improve crew mobility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTunneling\u003c\/strong\u003e — advance drilling for road, rail, and hydroelectric tunnels in competent rock formations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarry bench drilling\u003c\/strong\u003e — secondary breaking, trim blasting, and block splitting in dimension stone and aggregate quarries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall-scale and artisanal mining\u003c\/strong\u003e — operations where portable compressor availability and ease of handling are critical selection factors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCivil construction\u003c\/strong\u003e — rock anchor and drainage hole drilling in foundation engineering and slope stabilization projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe YT24 uses the \u003cstrong\u003eH22 hexagonal shank standard\u003c\/strong\u003e (22 mm across flats, 108 mm shank length) — the most widely adopted shank dimension for light-to-medium pneumatic rock drills. This means tapered drill rods and carbide button bits from any supplier using the H22×108 mm specification are mechanically compatible.\u003c\/p\u003e\n\u003cp\u003eThe drill body mounts on the \u003cstrong\u003eFT140\u003c\/strong\u003e (shorter travel, lighter configuration) or the \u003cstrong\u003eFT160\u003c\/strong\u003e (900–1,400 mm telescopic extension, standard for most underground applications) air leg. Air is supplied through a 25 mm ID hose; a separate 13 mm ID water hose provides dust suppression through the central water tube. A standard in-line lubricator with ISO VG 32–68 pneumatic tool oil is required — do NOT operate without lubrication.\u003c\/p\u003e\n\n\u003ch2\u003eMOQ \u0026amp; Lead Time\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMOQ:\u003c\/strong\u003e Depends on configuration and stock availability at time of inquiry. Trial orders of one or two units (drill body + air leg) can typically be accommodated for first-time buyers evaluating field performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLead Time:\u003c\/strong\u003e Confirmed in the formal quotation based on the specific configuration (FT140 vs FT160 air leg, accessory kit scope), order quantity, and current production schedule.\u003c\/p\u003e\n\n\u003ch2\u003ePackaging \u0026amp; Package Contents\u003c\/h2\u003e\n\u003cp\u003eStandard export packaging: drill body and air leg disassembled, each wrapped in VCI anti-rust paper with desiccant packs, placed in custom-cut high-density foam inserts inside a reinforced plywood crate with steel corner brackets. Palletized and stretch-wrapped for container loading. The accessory kit (lubricator, hose fittings, spare seals) is packed separately in a labeled accessory box.\u003c\/p\u003e\n\u003cp\u003ePackage contents can be configured as: drill body only, drill body + FT160 air leg, or a complete system including drill body, air leg, H22 tapered drill rods, 34–42 mm carbide button bits, and a commissioning spare-parts kit.\u003c\/p\u003e\n\n\u003ch2\u003eRequest a Quotation\u003c\/h2\u003e\n\u003cp\u003eTell us your rock formation type, tunnel or face dimensions, available compressor capacity, and whether you need the drill body only or a complete system including air leg, rods, and bits. We will recommend the appropriate YT24 configuration (FT140 or FT160 air leg) and return a formal quotation within one working day.\u003c\/p\u003e","brand":"PerfoMax","offers":[{"title":"Default Title","offer_id":45660417491151,"sku":"PFM-YT24","price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9308\/9999\/files\/Af76e6f477ed842cc9d20d17992562cc2s.webp?v=1785292362","url":"https:\/\/perfomaxdrill.com\/products\/yt24-air-leg-pneumatic-rock-drill","provider":" PerfoMax","version":"1.0","type":"link"}