19PCS TCT Hole Saw Kit, 14-60mm Heavy Duty Tungsten Carbide Hole Saw Set for Metal, Stainless Steel, Iron, Wood and Plastic, with 3 Removable Pilot Drill Bits and 3 Allen Keys

Upgraded hole saw kit is made of high hardness TCT carbide, which prevents rust and breakage of the hole saw and extends its service life. Thanks to the spring-loaded pilot drill, the cutting speed is increased and the cutting density is improved. Ideal for intensive cutting jobs. The spring built into the drill bit reduces bounce and vibration when drilling, ensuring stability and accuracy, while extending the life of the drill bit and reducing maintenance costs. The supplied Allen key allows the user to adjust the tightness with flexibility, ensuring stability and accuracy, and improving the quality of work. The improved TCT carbide hole saw kit enhances the hardness of the tooth structure and is suitable for drilling various materials, including wood, metal, plastic, stainless steel, iron, aluminum, fiberglass, FRP, etc. 13-piece hole saw kit with cutting diameters: 14 mm (9/16"), 16 mm (5/8"), 19 mm (3/4"), 22 mm (7/8"), 25 mm (1"), 29 mm (1-9/64"), 32 mm (1-1/4"), 35 mm (1-3/8"), 38 mm (1-1/2"), 45 mm (1-25/32"), 51 mm (2"), 54 mm (2-1/8"), 60 mm (2-3/8"), 3 Allen keys, 3 additional titanium-coated centre pilot drill bits.