[header] How to cut pex tubing [title] Be sure to use a specialized pex cutter tool. [step] Only specially-designed pex cutter tools should be used to cut pex tubing. Common household tools such as saws may be dangerous to use given the density of pex tubing. 
Visit your local hardware store or look online for a pex cutter. [title] Purchase a basic, scissor-style pex cutter.