Out Of The Blue Artifacts A Library of a lifetime of collecting
Coal Mining Coal Drill Bits.
Made from iron and tungsten. Sizes – Large 4″ x 1 3/4″ inches. Small – 4 1/2″ x 1 1/2″ inches.
Coal Mining Coal Drill Bits.
Made from iron and tungsten. Sizes – Large 4″ x 1 3/4″ inches. Small – 4 1/2″ x 1 1/2″ inches.