Vintage Rock Oil Gold Silver Mining Well Drill Bit Tool 81-1/2" Long Vintage pneumatic drill long hardrock drill bit. 81-1/2" long. Has a bore hole through the shaft to holes at the bit head for air to blow dust.
This listing is for a NEW 11/16” diameter auger bit, 10” long. I am unsure of manufacturer but package was labelled with part number 45811 and made in Brazil. Shanked for a hand dr
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