Low Middle High Air Pressure Tungsten Carbide DTH Hammer Button Drill Bit

BESTLINK High and Low Air Pressure DTH Bits1. High and low air pressure down-the-hole drill bits 2. Low air pressure holeDia.: 65-220mm 3. High air pressure hole Dia.: 85-305mm 4. Face type: Drop center/concave/convex/double gauge/flat 5. Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc. 6. Inch available: 3", 4", 5", 6", 8", 12", etc... High pressure dth bitDTH bit is our company main product. After mang years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you interested in our product please contact freely. The information you may like to know before order:1. Methods of Payment: T/T (Telegraphic Transfer) or Western Union or L/C at sight 2. Handling time for an order Based on order quantity, normally it takes 25 days for production. Only 2 or 3 days if we have stock on your request size. 3. Shipping way Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air Bulk order: We suggest by air or by sea. 4. Quality Control We have our own experienced QC. There will be strict inspection and testing for every order before shipping out. 5. After Services: 1. Our sales team will response for your question within 24 hours (Holidays Excluded) 2. Technical Support will be available in any time 3. Free replacement will provide once the failure confirmed caused by our product quality   Low air pressure DTH hammers specificatioins   ModelOD*TL(mm)Air pressure(Mpa)Air consumption (m3/min.)bits diameter *shank*spline no.impact frequency (strike/min.)weight(kg)CIR55Φ48*6570.5-0.72.0-2.555-60*31*48406CIR60Φ53*6570.5-0.72.5-3.558-65*34*48407CIR70Φ61*7650.5-0.73.570*42*48409CIR70Φ66*7650.5-0.73.5-5.076*44*484014CIR80Φ78*4460.5-0.74.0-6.080*35*45(flat)94012CIR80AΦ72*7950.5-0.75.080*50*684015CIR80BΦ76*785(4spline)0.5-0.76.090*52*481019Φ76*777(6spline)90*54*6CIR90Φ80*8000.5-0.77.290-100*54*684020CIR100Φ90*4340.5-0.78.0100-130*50*flat82019CIR100AΦ90*7150.5-0.710.0105-115*56*482024CIR100BΦ95*8470.5-0.712.0110-115*60*482030110-115*65*6CIR110Φ98*8710.5-0.712.0110-120*65*682037CIR150BΦ136*9080.5-0.715.0150-165*90*885068CIR150CΦ142*9130.5-0.717.0155-165*90*685069CIR150CΦ135*6870.5-0.713.0155*80*886043CIR170AΦ156*10220.5-0.719.5170-175*98*6840102CIR200AΦ188*11200.5-0.724.0210*120*6840163  DescriptionTypeModel2.5"HammerGD2.5with foot valve-3.5"HammerGD3.5DHD3.5HCD34COP34COP324"HammerGD340with foot valveDHD340A,COP44GQM.TD40COP44GOLDGF340ANwithout foot valve-GF.Mission40Mission405"HammerGD350with foot valveDHD350R,COP54GQM.QL50COP54QMGOLDGF350RNwithout foot valve-GF.Mission50Mission50GF.QL50-6"HammerGD360with foot valveDHD360,COP64GQM.QL60QL60GF360Nwithout foot valve-GF.Mission60Mission60GF.QL60-8"HammerGD380with foot valveDHD380,COP84GQM.QL80QL80GF.QL80without foot valve-GF.Mission80Mission802.5" DTH BITD=76 CWG7680 3.5" DTH BITD=90  95 DHD3.5100  105  4" DTH BITD=105  108 DHD340A115 Mission40120 COP44125  130  D=105 TD40108 115 120 125 130 5" DTH BITD=133 DHD350R140 COP54148 QL50152 Mission506" DTH BITD=152  155  165  171 Mission60178 QL60190  203  219  254  8" DTH BITD=194  200  203  216  219 DHD380222 COP84235 QL80254 Mission80270  305  311  325  350    Some BITS for referanceHammer: COP 32Diameter mmPart No.Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone)Gauge buttons angle o (Outer, Inner, Cone)Flushing holes (No. x size mm)Weight approx. kgFoot valve Part No.Flat front, HD85100-5085-39,24-208x11, - ,6x11, -35, -, -24.5 90100-5090-39,24-208x11, - ,7x11, -35, -, -24.7100100-5100-39,24-208x11, - ,7x11, -35, -, -24.9SpeedBit85100-5085-39-55,24-208x11, - ,6x11, -3524.5 90100-5090-39-55,24-208x11, - ,7x11, -3524.7100100-5100-39-55,24-208x11, - ,7x11, -3524.9Convex front, Ballistic85100-5085-39-61,24-207x11, 4x11, 2x11, -40, 20, -24.3 90100-5090-39-61,24-207x11, 4x11, 2x11, -40, 20, -24.5100100-5100-39-61,24-207x11, 4x11, 2x11, -40, 20, -24.7              Hammer: Bulroc 3Diameter mmPart No.Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone)Gauge buttons angle o (Outer, Inner, Cone)Flushing holes (No. x size mm)Weight approx. kgFoot valve Part No.Convex front, Ballistic 100-5090-45-61,24-207x11, 4x11, 2x11, -40, 20, -24               Hammer: COP 34, 34QDiameter mmPart No.Buttons x Button diam(Gauge outer, Gauge inner, Centre, Cone)Gauge buttons angle o (Outer, Inner, Cone)Flushing holes (No. x size mm)Weight approx. kgFoot valve Part No.Flat front, HD90100-5090-31,24-20*8x12.7, - ,7x11, -35, - , -25.8927992100-5092-31,24-208x12.7, - ,7x11, -35, - , -25.8927995100-5095-31,24-208x12.7, - ,7x11, -35, - , -25.99279100100-5100-31,24-208x12.7, - ,7x12.7, -35, - , -26.19279105100-5105-31,24-208x14.5, - ,7x12.7, -35, - , -26.39279SpeedBit92100-5092-31-55,24-208x12.7, - ,7x11, -3525.8927995100-5095-31-55,24-208x12.7, - ,7x11, -3525.99279100100-5100-31-55,24-208x