Down-The-Hole (DTH) Hammer Bits-K21

Down-the-hole (DTH) hammers are mainly used for drilling blast holes in quarries and mines, well drilling, and construction areas. DTH hammer bits are one of the most important parts of a DTH drilling tool. KoneCarbide DTH hammer bits feature excellent wear-resistance and longer service life, especially for hard and extra hard formations. We provide not only DTH hammer bits with standard specifications but also a customization service. Our sales department and engineers will offer the most cost-efficient solutions for you.

Order NO.L (mm)H (mm)S (mm)r (mm)r1 (mm)e (mm)
GDB14K12K08K21A14128200.5~1.01
GDB16K12K08K21A16128221
GDB18K14K10K21A18141022.51
GDB20K16K10K21A20161028.51
GDB26K16K10K21A261610351.5
GDB28K18K10K21A281810311
GDB29K18K10K21A291810381
GDB30K16K12K21A301612381.5
GDB32K16K12K21A32161244.52
GDB35K16K12K21A351612512
GDB39K18K14K21A39181457.52
GDB43K20K14K21A43201463.52
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Down-The-Hole (DTH) Hammer Bits-K21