Holesaw set ideal for cutting all types of materials. Constructed using high quality manufacturing techniques to ensure high rotational precision, making them suitable for use both in hand and pillar drills (manual feed only). Features Matrix II premium high speed steel tooth construction, containing 8% cobalt, allowing the teeth to retain the original tooth hardness even at high working temperatures when used in metal cutting applications. Back plates are constructed with thick steel to add strength and rigidity, minimising vibrations and preventing holes from enlarging over time, and diagonal slots aid the removal and ejection of the core. 1.27mm thick steel holesaw body is rigid to retain its shape but also has built in elasticity. Cuts Non-Ferrous Metal, Thin Sheet Metal, Wood & Plastic Steel Slotted Barrel to Aid Removal of Debris 19mm - 57mm Dia. Holesaws Can be Used with Rotary & Impact Modes Steel up to 1000 N/mm² Strength Cuts Non-Ferrous Metal, Thin Sheet Metal, Wood & Pla...