https://www.acehardware.com/departments/tools/power-tool-accessories/drill-bits/26225
Irwin Speedbor 5/8 in. X 6 in. L Carbon Steel Wood Boring Bit Hex Shank 1 pc Mfr# 88810 - Ace...
IRWIN Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bitsFind the BIT DRILL 5/8 SPEEDBOR at Ace.