3-1/2" - 89 mm |Mag-Bit 624.5616| Hole Saws | 5 Piece hi-hat-hex-gutter-screws Use Zinc-plated self-drilling screws for

Use Zinc-plated self-drilling screws for light to heavy gauge metal to metal fastening applications such as attaching strapping or furring channel to steel joists

For drilling in medium-alloyed steel

1 Square Drive

Secondary application - ferrous and non-ferrous metals

TA60T Premium Grade

3-1/2" - 89 mm |Mag-Bit 624.5616| Hole Saws | 5 Piece hi-hat-hex-gutter-screws Use Zinc-plated self-drilling screws forBi 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