• Model NO.：28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm
• Certificate：ISO2000
• Processing Type：Forging
• Mining Object：Coal Machinery
• Transport Package：Plywood Box or Carton
• Specification：as per order quantity
• Trademark：none
• Origin：China
• HS Code：82071990
• Production Capacity：20000PCS Per Month

Drill Bit: Button Bit For 22 mm ( 7 /8") rod. 4°46' taper. Short skirt.Diameter (mm)Part No.Length (mm)No. of buttonsButtons x button diameter (Gauge, Centre)Gauge Buttons angle ° (Gauge, Front)Flushing hole (Side, Centre)Weight approx (kg)36178-9036-14-67,39-205075x7, 2x735, -1, 20.343178-9043-14-67,39-205075x7, 2x735, -1, 20.35 For 22 mm ( 7 /8") rod. 11° taper. Short skirt.Diameter (mm)Part No.Length (mm)No. of buttonsButtons x button diameter (Gauge, Centre)Gauge Buttons angle ° (Gauge, Front)Flushing hole (Side, Centre)Weight approx (kg)32179-9032-12-67,50-205053x8, 2x735, -2, 10.232179-9032-33-67,39-205586x7, 2x739, 151, 10.2232179-9032-56-67,50-205064x7, 2x735, -1, 10.1533179-9033-40-67,50-206096x7, 3x740, 202, -0.233179-9033-56-67,50-205064x7, 2x740, -1, 10.234179-9034-56-67,50-205064x7, 2x740, -1, 10.33517990354167-L.39-20*5575x8, 2x740, 151, 10.336179-9036-12-67,39-205053x8, 2x840, -2, 10.336179-9036-23-67,50-205043x9, 1x835, -1, 10.236179-9036-27-67,39-205075x8, 2x735, -1, 10.336179-9036-56-67,50-205064x7, 2x740, -1, 10.3538179-9038-23-67,39-205043x9, 1x940, -1, 10,3538179-9038-27-67,39-205075x9, 2x735, -1, 10.3540179-9040-12-67,39-205053x9, 2x940, -2, 10.3540179-9040-23-67,39-205043x9, 1x940, -1, 10.3541179-9041-27-67,39-205075x9, 2x735, -2, 10.35 For 22 mm ( 7 /8") rod. 12° taper. Short skirt.Diameter (mm)Part No.Length (mm)No. of buttonsButtons x button diameter (Gauge, Centre)Gauge Buttons angle ° (Gauge, Front)Flushing hole (Side, Centre)Weight approx (kg)27177-9027-56-67,39-205064x6, 2x640, 151, 10.228177-9028-23-67,39-205043x7, 1x7201, 10.229177-9029-23-67,39-205043x7, 1x7401, 10.230177-9030-23-67,39-205043x7, 1x7401, 10.230177-9030-56-67,50-205064x7, 2x7301, 10.232177-9032-14-67,39-205075x7, 2x7351, 20.232177-9032-17-67,39-205075x7, 2x7351, 10.232177-9032-34-67,39-205086x7, 2x739, 151, 20.233177-9033-14-67,39-205075x7, 2x7351, 20.233177-9033-17-67,39-205075x7, 2x7351, 10.233177-9033-41-67,39-205575x8, 2x740, 151, 10.23317790334167-L.39-20*5575x8, 2x740, 151, 10.234177-9034-17-67,39-205075x8, 2x7351, 10.2235177-9035-27-67,39-205075x9, 2x7351, 10.2235177-9035-56-67,50-205064x7, 2x7351, 10.2236177-9036-27-67,39-205075x9, 2x7351, 10.337177-9037-27-67,39-205075x9, 2x7401, 10.338177-9038-23-67,39-205043x9, 1x9401, 10.238177-9038-27,39-205075x9, 2x7351, 10.2538177-9038-27-67,39-205075x9, 2x7351, 10.2541177-9041-27-67,39-205075x9, 2x7351, 10.35-67 = ballistic buttons *Long bit head For 22 mm ( 7 /8") rod. 7° taper. Long skirt.Diameter (mm)Part No.Length (mm)No. of buttonsButtons x button diameter (Gauge, Centre)Gauge Buttons angle ° (Gauge, Front)Flushing hole (Side, Centre)Weight approx (kg)32173-5032-17,39-208075x7, 2x735, -1, 10.332173-5032-17-67,39-208075x7, 2x735, -1, 10.333173-5033-17-67,39-208075x7, 2x735, -1, 10.335173-5035-27,39-208075x8, 2x735, -1, 10.3335173-5035-41,39-208075x9, 2x725, 151, 10.33 For 22 mm ( 7 /8") rod. 12° taper. Long skirt.Diameter (mm)Part No.Length (mm)No. of buttonsButtons x button diameter (Gauge, Centre)Gauge Buttons angle ° (Gauge, Front)Flushing hole (Side, Centre)Weight approx (kg)32177-5032-17-67,39-207175x7, 2x735, -1, 10.333177-5033-17-67,39-207175x7, 2x735, -1, 10.333177-5033-34-67,39-207186x7, 2x740, -1, 20.333177-5033-40-67,39-207196x7, 3x740, 203, -0.2835177-5035-34-67,39-207186x8, 2x739, 151, 20.3 For 25 mm (1") rod. 12° taper. Long skirt.Diameter (mm)Part No.Length (mm)No. of buttonsButtons x button diameter (Gauge, Centre)Gauge Buttons angle ° (Gauge, Front)Flushing hole (Side, Centre)Weight approx (kg)35180-5038-27-67,39-207175x9, 2x735, -1, 10.3838180-5041-27-67,39-207175x9, 2x735, -1, 10.38