H22 Hexagonal Drill Rod For Quarry Tunnel Mining Integral Drill Rod
Product information:
Integrall rod is combined bit, rod and shank into a single unit. The head bit of the integral rod has chisel type and cross type.
Specification:
Head bit diameter | 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm |
Length range | 400mm - 7000mm |
Shank size | Hex 22 x 108mm, Hex 19mm x 108mm, Hex 25mm x1 59mm |
Application:
Usually integral rod is used for underground mining and small hole drilling with low power rock drills such as air-legged or hand-held.
Advantage:
Reduce engergy lossing at tapered rod and bit joint. Good transmission performance, can improve the speed and efficiency of drilling
Package:
Wooden case