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Low Air Pressure DTH Drilling Bits For Mining Blasting

Low Air Pressure DTH drilling bits for Mining Blasting Product Information -Name: Ballistic DTH Drill Bits Used for Low Air Pressure DTH Bits -Item Number: Drilling Machine Parts -Brand Name: KAIYU -Diameter: 76/90/100/110/120/125/130/140/150/165/175/185/200/220/250mm -Material: Carbide -Processing Type: Forging -Packaging: Wooden Case -Delivery: 10-25days -Certification: ISO9001 -Place of Origin: Taizhou, Zhejiang,China(Mainland) -Use: suitable for cutting, drilling various hard Non-ferrous materials, such as marble, granite, hard concrete and brick etc. -Advantage: High performance cost ratio Product Description DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special "stress relief" processes ensure consistent performance.  DTH hammer bits are designed for maximum performance and hole cleaning ability and high penetration rate. Low Air Pressure DTH Bits CIR70 Diameter (mm) Gauge button Weight (kg) Part No. Ballistic button/Flat Face  76 5*φ12 2.18 CIR76-76BF CIR90 Diameter (mm) Gauge button Weight (kg) Part No. Ballistic button/Flat Facei 90 6*φ14 3.69 CIR90-90BC 100 6*φ14 4.25 CIR90-100BC 110 6*φ14 4.92 CIR90-110BC 120 6*φ14 5.52 CIR90-120BC 130 7*φ14 6.56 CIR90-130BC CIR110 Diameter (mm) Gauge button Weight (kg) Part No. Ballistic button/Convex Face 110 6*φ14 5.86 CIR110-110BC 120 6*φ14 5.89 CIR110-120BC 130 7*φ14 7.59 CIR110-130BC 140 8*φ14 8.47 CIR110-140BC 150 8*φ14 9.47 CIR110-150BC 170 9*φ14 11.44 CIR110-170BC CIR130 (Shank 65mm and 76mm) Diameter      (mm) Gauge button Weight (kg) Part No. Ballistic button/Convex Face  130 7*φ14 7.59 CIR130-130BC 140 8*φ14 8.47 CIR130-140BC 150 8*φ14 9.47 CIR130-150BC 170 9*φ14 11.44 CIR130-170BC CIR150 Diameter (mm) Gauge button Weight (kg) Part No. Ballistic button/Convex Face  150 9*φ16 15.73 CIR150-150BF 165 9*φ16 17.46 CIR150-165BF 175 9*φ16 18.04 CIR150-175BF 200 9*φ16 26.7 CIR150-200BF CIR170 Diameter (mm) Gauge button Weight (kg) Part No. Ballistic button/Convex Face 175 9*φ16 21.86 CIR170-175BF 185 9*φ16 23 CIR170-185BF Bit Face Face shape Application Flat Face Very hard and abrasive rock formation. Concave Face All kinds of rock formation.      especially for medium-hard and homogeneous formation. Convex Face soft to medium hard Drop Center Face soft to medium hard and fissured rock formation Carbide Button Shape Selection button shape Application Dome/Round Button Usually used as gauge buttons of DTH bits, suitable for very abrasive and hard formations. Parabolic/      Semi-Ballistic Button Usually used as gauge buttons and front buttons of DTH bits, suitable for medium abrasive and hard formations. Ballistic Button Usually 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 Button Usually used as front buttons of DTH bits for soft formations where fast penetration rated are possible and button breakage is minimal. Flat Button usually used as protection buttons to reduce wear on rubbing surfaces of DTH bits. Shipment and Payment By sea, by air, and by road;  T/T (Telegraphic Transfer) or Western Union or L/C at sight Why do you choose KAIYU low air pressure DTH bits?   1.Mature heat treatment technology ensure high quality of bits 2.Accurate dimension of shanks perfectly matches DTH hammers 3.work reliable and very cost-effective 4.High grade tungsten carbide inserts 5.Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment. 6.Our sales team will response for your question within 24 hours (Holidays Excluded) 7.Technical Support will be available in any time 8.Free replacement will provide once the failure confirmed caused by our product quality. 


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