Coal Auger Bits Type D(mm) Tips Shape d(mm) JLCAB 38-12 38 Straight 12 Inclined Short JLCAB42-12 42 Straight Inclined Short Blade Cut Bits Type Dimension(mm) L H l JLFCB65/38(13#) 132 38 65 JLFCB75/40(23#) 140 40 75 JLFCB100/50(55#) 202 50 100 Conical Bits Type Dimension(mm) L l D d JLRCB152-50(U82) 152 80 50 30 JLRCB195-55(U92) 195 102 55 35 JLRCB146-50(U84) 146 70 50 30 JLRCB182-55(U94) 182 88 55 35 JLRCB162-50(U85) 162 85 50 30 JLRCB183-55(U95) 183 89 55 35 JLRCB138-50(S120) 138 64 55 30 JLRCB142-55(S100) 142 66 45 34 JLRCB134-44(U76) 134 70 44 25 JLRCB152-44(U118) 152 75 44 30 JLRCB156-60(U150) 152 76 60 38