MaxTool holesaws are made of Premium Cobalt High Speed Steel, and the best cutting result is for drilling in the thin metal sheet, pipe, plastic, wood, composite, etc. Not for Asphalt, Brick, Concrete, Tiles, etc
Fit to arbors BA28H1809-M45PN9, BA28H1809PP, BA24H1082-Q35 and BA32R1090-SDS with 5/8-18 UNF Thread
1-3/4 Inches Cut-depth allows for specialty deep cuts; Easily cuts through 2x4 inches material in one pass
Multiple knock-out slots for easy core removal (rapid core eject) and thick hardened backing plates prevent warping
Precision Vacuum hardened teeth increase abrasion resistance, roughness, and sharply tool life; Optimized 4/6 TIP teeth penetrate material easily and have equal smoothly cutting load with min vibration