2-1/4" | Mag-Bit 625.3616| Carbide Grit Hole Saws | 3 Piece size-t-30 Lightning are the “thinner” version

Lightning are the “thinner” version of the High Energy formulation

This serves a dual purpose:

A good multi-use construction screw for wood

The pre-installed screw 3” Hex Head self-drilling screw has a higher pullout value than any spikes

fast stock removal with maximum safety

2-1/4" | Mag-Bit 625.3616| Carbide Grit Hole Saws | 3 Piece size-t-30 Lightning are the “thinner” version1 1 2" Depth Diameters 3 4" through 4 1 8" Works in rotary and SDS Hammer mode Works forward and reverse Use standard or SDS shank arbors Cuts brick, concrete block, fiber cement siding & backer board, stucco, old plaster. Concrete pavers. Diameters 3 4" through 4 1 8".