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Chisel drill bit
Chisel Drill Bit
Product Description
Product: 7 Tapered chisel bit
Size choose: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm, 43mm.
Connection choose: Hex 19/ Hex22/ Hex25 tapered drill rod

horseshoe chisel bit diameter For class of rock Tip size(mm) Taper weight
  mm inch   height×width    
  26 1  1/32 10-14 10*7 0.17
horseshoe chisel bit 28 1  7/64 10-14 10*7 0.18
  30 1  3/16 8-12 13.5*8 0.22
  30 1  3/16 10-14 13.5*8 0.22
  32 1 1/4 8-12 13.5*8 0.24
  32 1 1/4 10-14 13.5*8 0.24
  34 1 11/32 8-12 13.5*8 0.27
  34 1 11/32 10-14 13.5*8 0.27
  36 1 27/64 8-12 13.5*8 0.3
  36 1 27/64 10-14 13.5*8 0.3
  38 1 1/2 8-12 13.5*8 0.33
  38 1 1/2 10-14 13.5*8 0.33
  38 1 1/2 8-12 15*9 0.33
  38 1 1/2 10-14 15*9 0.33
  40 1 37/64 8-12 13.5*9.2 0.38
  40 1 37/64 10-14 13.5*9.2 0.38
  40 1 37/64 14-16 13.5*9.2 0.38
  40 1 37/64 16-18 13.5*9.2 0.38
  40 1 37/64 8-12 15*9.8 0.38
  40 1 37/64 10-14 15*9.8 0.38
  40 1 37/64 14-16 15*9.8 0.38
  40 1 37/64 16-18 15*9.8 0.38
  42 1 2/3 8-12 13.5*9.2 0.41
  42 1 21/32 10-14 13.5*9.2 0.41
  42 1 21/32 14-16 13.5*9.2 0.41
  42 1 21/32 16-18 13.5*9.2 0.41
  42 1 21/32 8-12 15*9.8 0.41
  42 1 21/32 10-14 15*9.8 0.41
  42 1 21/32 10-14 15*9.8 0.41
  42 1 21/32 16-18 15*9.8 0.41