-The hole saw kit is made of HSS high speed steel with Carbide Steel Teeth, High precision, smooth cutting, especially impact resistance, wear resistance.
-TSharp gears and anti-cutting with lower consumption make the product a long service life.
-TIt has an ejection spring for easy plug ejection, along with a raised shoulder helps prevent break through.
-TSuitable for pistol drill, bench drill, vertical electric drilling machine etc