ZHEJIANG KAIYU DRILLING BITS CO.,LTD

High Air Pressure DTH drilling bits for Mining BlastingProduct Information-Name: Ballistic DTH Drill Bits Used for High Air Pressure DTH Hammers?-Item Number: Drilling Machine Parts-Brand Name: KAIYU-Diameter: 85/90/95/100/105/110/115/120/127/130/135/140/146/152/165/171/190/203/216/254/305/330/343/356/368/381mm-Material: Carbide-Processing Type: Forging-Color: Golden, Red, Blue etc-Packaging: Wooden Case-Delivery: 15-230days-Certification: ISO9001-Place of Origin: Taizhou, Zhejiang,China (Mainland)-Use: Water well,quarry,open pit and underground construction-Advantage: High performance cost ratioProduct Description?DTH bits are used for blast hole drilling. It Works with DTH hammer, mainly applied in mining, tunneling, marble quarrying or well drilling, construction and civil engineering projects.Our bit s are interchangeable with Atlas Copco's COP32 34 44 54 64 84, Ingersoll-Rand 's DHD3.5,DHD3.5HD, DHD 340A, DHD350R, DHD 360, DHD380, QL40, QL50 , QL60, QL80. etc.High Air Pressure 3" DTH Bits DHD3.5 Diameter (mm) Gauge button Weight (kg) Part No. ?856*?134.2DHD3.5-85906*?144.5DHD3.5-90956*?144.8DHD3.5-951006*?145.0DHD3.5-1001056*?145.5DHD3.5-105QL30 Diameter (mm) Gauge button Weight (kg) Part No. ?856*?134.5QL30-85906*?144.7QL30-90956*?144.9QL30-951006*?145.0QL-30-1001056*?145.5QL30-105High Air Pressure 4" DTH Bits DHD340A. COP44 Diameter (mm) Gauge?button Weight (kg) Part No. 1056*?148.5DHD340-1051107*?148.8DHD340-1101157*?149.0DHD340-1151208*?149.8DHD340-1201278*?1411.0DHD340-127QL40 Diameter (mm) Gauge?button Weight (kg) Part No. 1056*?149.0QL40-1051107*?149.2QL40-1101157*?149.5QL40-1151208*?1410.3QL40-11201278*?1411.5QL40-127High Air Pressure 5" DTH Bits DHD350R. COP54 Diameter (mm) Gauge?button Weight (kg) Part No. 1357*?1815.0DHD350-1351407*?1816.0DHD350-1401467*?1817.0DHD350-1461528*?1817.5DHD350-1521658*?1818.5DHD350-165QL50 Diameter (mm) Gauge?button Weight (kg) Part No. 1357*?1815.5QL50-1351407*?1816QL50-1401467*?1816.5QL50-1461528*?1817.0QL50-1521658*?1818QL50-165High Air Pressure 6" DTH Bits DHD360. COP64 Diameter (mm) Gauge?button Weight (kg) Part No. 1528*?1822.0DHD360-1521658*?1826.0DHD360-1651718*?1827.0DHD360-1711909*?1828.5DHD360-1902039*?1829.5DHD360-203QL60 Diameter (mm) Gauge?button Weight (kg) Part No. 1528*?1824.0QL60-1521658*?1825.0QL60-1651718*?1827.0QL60-1711909*?1829.0QL60-1902039*?1833.0QL60-203Bit Face Face shapeApplicationFlat FaceVery hard and abrasive?rock formation.Concave FaceAll kinds of rock formation. ? ? ?especially for medium-hard and homogeneous formation.Convex Facesoft to medium hardDrop Center Facesoft to medium hard and fissured?rock formationCarbide Button Shape Selection button shapeApplicationDome/Round ButtonUsually?used as gauge buttons of DTH bits, suitable for very abrasive and hard formations.Parabolic/ ? ? ?Semi-Ballistic ButtonUsually?used as gauge buttons and front buttons of DTH bits, suitable for medium abrasive and hard formations.Ballistic ButtonUsually?used as front buttons of DTH bits,suitable for medium abrasive and medium hard formations. They can also be used as gauge?buttons if the rock is soft.Sharp ButtonUsually?used as front buttons of DTH bits?for soft formations?where fast penetration rated are possible and button breakage is minimal.Flat Buttonusually used as protection buttons to reduce wear on rubbing surfaces of DTH bits.

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