Thirteen pieces plumbers professional hole saw set contains nine the most frequently used plumbers hole saw sizes, along with two arbors and mandrel adaptor. These high speed steel bi-metal saws have specially hardened variable pitch teeth for fast smooth cutting. Bi-metal saws offer increased safety as they will not shatter under load.  

These hole saws are used to cut perfect holes in a wide variety of materials, including wood, chipboard, plywood, non-laminated plastics, plasterboard and non-ferrous metals. Suitable for use with most variable speed power drills. The set is supplied with a sturdy plastic case. 

Features:

• Drills quickly and steadily through a wide variety of construction materials
• Designed to cut chipboard, plywood, plastics, plasterboard and non-ferrous metals
• Power drill bit adaptor with replaceable pilot HSS drill bits
• Large adapter includes a socket safety locking tabs
• Kit includes nine most common socket saw bits and plastic storage case

Specifications:

• Model: 13P-HSS-HS
• Made of: HSS Bi-metal 
• Pitch type: variable
• Imperial sizes: 3/4in, 7/8in, 1-1/8in, 1-3/8in,  1-1/2in, 1-3/4in, 2in, 2-1/4in and 2-1/2inch
• Metric sizes: 19mm, 22mm, 29mm, 35mm, 38mm, 44mm, 51mm, 57mm, and 64mm 
• Cutting depth: 1-1/4in or 32mm
• 7/16 hexagon arbor with  locking tabs for 1-1/4 to 6inch or 32mm-152mm saw blades
• 3/8 hexagon arbor without locking tabs for 9/16 to 1-3/16inch or 14-30mm saw blades 
• The drill bits are made of HSS steel
• Includes plastic storage case
• Weight of the set: 3.1lbs or 1.39kg

Package includes:

• Nine saw blades variable sizes form 3/4 to 2-1/2inch
• Two different size arbors
• Mandrel adaptor ring
• Two hexagon key wrenches
• Plastic storage case