Mincon Products – DTH Bits MQ Shanks MQ40 MQ50 MQ60 MQ80 MC Shanks MC30 MC42 MC43 MC51 MC70 MC81 3″ Shanks DHD3.5 MD3.5 4″ Shanks DHD340A MD4 SD4 TD40 5″ Shanks QL50 DHD350R SD5 6″ Shanks QL60 DHD360 SD6 8″ Shanks QL80 DHD380 SD8 10″ Shanks SD10 12″ Shanks QL120 SD12
