Palmer - 4-Wing Double Chevron Bit

THIS BIT HAS THE DURABILITY OF A CHEVRON AND THE SPEED OF A STEP TYPE AVAILABLE IN 3 OR 4 WINGS. The double chevron is another bit designed and manufactured solely by Palmer Bit. This bit was designed for drilling in hard clays with gravel layers. We can custom make any size on any available thread in 1-2 days. Sizes available: 3 7/8" - 17 1/2".