Champion Chisel 7/8 In. x 4-1/4 In. Shank Carbide Tip Whirley Bit

These bits utilize hollow steel so air flow can continuously keep the drill hole clear as well as a carbide tip to handle the hardest material. Champion offers hole sizes from 5/8 In. to 1-1/2 In. in diameter with lengths available to 48 In. Champion chisel whirley bits, under collar length 24 In. hole size 5/8 In. whirley bit.