Read more dashap TCT Hole Saw Kit Choose From 6 Different Set for Your Convenient Each Set Contains a Hex Key Easy Installation & Easy Keep Cutting Diameter: 16mm,18mm,19mm,20mm,22mm,25mm,26mm,28mm,30mm,32mm,35mm,38mm,40mm,45mm,48mm,50mm,53mm,55mm,60mm,65mm,70mm,75mm,80mm,100mm Installation Step Loosen the hex screw with a hex key Insert the drill bit into the hole saw center Tighten the hex screw with the hex key Install the hole saw in a proper tool like hand drill or bench drill Read more dashap TCT Hole Saw Kit Upgraded design with ultra sharp serrations for faster and cleaner cutting. Read more Read more TCT 6PCS Hole Saw Kit TCT 8PCS Hole Saw Kit TCT 10PCS Hole Saw Kit TCT 13PCS Hole Saw Kit TCT 15PCS Hole Saw Kit Bi-Metal 12PCS Hole Saw Kit Hole Saw 6 6 10 13 13 12 Drill Bits - 2 - - 2 Individual drill bits Hex Key 1 1 1 1 1 2 Cutting Diameter 16mm,22mm,30mm,40mm,50mm,60mm 22mm,30mm,35mm,45mm,50mm,65mm 16mm,18mm,20mm,22mm,25mm,30mm,35mm,45mm,50mm,53mm 19mm,22mm,25mm,30mm,32mm,35mm,38mm,45mm,50mm,55mm,65mm,70mm,75mm 16mm,18mm,20mm,22mm,25mm,26mm,28mm,30mm,35mm,40mm,45mm,50mm,53mm 18mm,20mm,24mm,28mm,30mm,35mm,38mm,45mm,50mm,55mm,65mm,75mm Application 3mm stainless steel,15mm iron plate,15mm aluminum alloy,metal tube 3mm stainless steel,15mm iron plate,15mm aluminum alloy,metal tube 3mm stainless steel,15mm iron plate,15mm aluminum alloy,metal tube 3mm stainless steel,15mm iron plate,15mm aluminum alloy,metal tube 3mm stainless steel,15mm iron plate,15mm aluminum alloy,metal tube Wood,aluminum, thin metal and plastic