John K Olsen Company, based in Columbia, PA, specializes in manufacturing and selling a wide range of drilling equipment, including DTH hammers, bits, and hammer replacement parts. Their American-made products cater to industries such as geothermal, gas, oil, mining, construction, quarries, and water well drilling.
With a focus on quality and durability, John K Olsen Company offers a variety of top-quality drill bits in different shank sizes, ranging from 3 3/4 to 12 1/2 inches. Customers can rely on their expertise and extensive product range for all their drilling needs.
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