3-1/8" - 79 mm 3" |Mag-Bit 624.5016| Hole Saws | 5 Piece size-6-x-2-x-2 This bit has a hole

This bit has a hole at the tip and the shank

For light-to-heavy gauge metal-to-metal

Exclusive design and patented multifitting thread in two different versions:

dock bumpers

fast cutting and less burn ideally suited for greater than 120 pound rail

3-1/8" - 79 mm 3" |Mag-Bit 624.5016| Hole Saws | 5 Piece size-6-x-2-x-2 This bit has a holeBi Metal Vari Pitch 4 6TPI, 1 1 2" Depth Bi Metal. 1 1 2" Depth cuts through 2" x 4" in one easy pass. 4 6 Variable Pitch Tooth combination, reduces vibration Increases productivity. Deep Gullet design, for improved chip removal. Tough 3 16" Thick Back Plate Faster cuttingMore Holes per Saw