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					                                                                                                                                                            Hole Saw Application Guide


                                                          Material Thickness
           Hole
           Saw                                                   1/8”               Non                                    MDF/
                                                     Less than         Max Cut                        Stainless                                                               Porcelain/ Suspended              Brick and
Hole Saw   Code   Hole Saw Type      Size Range                Max Cut            Ferrous     Metal               Wood    Veneer/    Formica   Plastic   Acrylic   Ceramic                         Fiberglass               Plaster
                                                       1/8”             Depth                           Steel                                                                Glass/Stone Floors                 Masonry
                                                                Depth             Materials                              Chipboard

                     Bi Metal
           SH     Constant Pitch 9/16” – 8-9/32”                         1-5/8”
                    Hole Saw       14 - 210mm                            41mm


                    Fastcut™
                                   9/16” – 8-9/32”                       1-5/8”
           VH     Variable Pitch
                                     14 - 210mm                          41mm
                    Hole Saw

                    Bi Metal
                     Cordless       5/8” – 1-1/2”                         1/2”
           CSC
                  Smooth Cutting     16 - 38mm                           13mm
                    Hole Saw

                  Carbide Tipped
                  Multi Purpose     3/4” – 6-1/4”                        2-1/8”
           MPH
                     Hole Saw       19 - 159mm                           54mm


                  Carbide Tipped      19/32” –                            1/2”
           SM      Sheet Metal        3-15/16”                           13mm
                     Hole Saw       15 – 100mm



            CT    Carbide Tipped      3/4” – 6”                          1-5/8”
                     Hole Saw       19 – 152mm                           41mm



                  Diamond Edge       9/16” – 6”                          1-5/8”
              D     Hole Saw        14 – 152mm                           41mm



                   Carbide Grit     7/8” – 4-1/2”                        1-5/8”
           XO                                                            41mm
                    Hole Saw        22 – 114mm




  Cutting
Performance         Excellent           Good
H O L E S A W S A F E T Y G U ID E LINES AND APPLICATION TIPS


 For best performance and longest life, follow these guidelines every time you use Starrett hole saws.

  • ALWAYS WEAR SAFETY GLASSES.
  • Keep hands, hair and loose clothing away from all rotating tools.
  • Use oil or other coolants on most metal work pieces, except cast iron.
  • Hold the saw firmly and drill perpendicular to the work surface.
  • Apply sufficient pressure to enable the saw to cut freely. Clear chips away from area frequently.
  • Operate the saw at the recommended speeds for the material being cut and the diameter of the saw. Never exceed the
    recommended operating speed.
  • For demanding applications or high production jobs, utilize Starrett Quick Connect Locking Arbor. This accessory helps
    eliminate chatter and vibration, ensuring a quality cut and extending tool life.
  • Specialty hole saws can increase efficiency and extend tool life.
  • Avoid excessive heat generation on the cutting surface.




 Hole Saw Terminology and Application Tips.

 Pipe Size is designated by the Inside Diameter (ID). For example, a 7/8" diameter hole saw is used to prepare a hole
 through which a 1/2" pipe may be inserted.
 Tubing Size is designated by the Outside Diameter (OD). For example, when preparing an entrance hole for a given tubing
 diameter, select a hole saw with the same diameter.
 Pipe Taps listed are for threading holes prepared by hole sawing to receive threaded pipe. For example, a 7/8" diameter hole
 saw will provide a proper hole for a 3/4" pipe tap.




 Hole Saw Selection Chart
 Work Piece Material                                  Light to Medium Production               Heavy Production
 Carbon and Alloy Steels,                             FASTCUT™ Variable Pitch All Purpose      TCT FASTCUT™ Multi-Purpose Hole (MPH)
 Stainless Steels, Nonferrous Materials, and Wood     Carbide Tipped Hole Saws                 TCT Carbide Tipped Sheet Metal Saw
                                                                                               Assemblies
 Thin Gauge Steel, Cellular Metals, Pipe,             Straight 6 Pitch Sheet Metal Saws        TCT Carbide Tipped Sheet
 Sheet Metal, Interrupted Cuts, Electrical Panels     Smoothcut Cordless Hole Saw Assemblies   Metal Saw Assemblies
 PVC, ABS Materials, Wood, Fiberglass                 Carbide Tipped Hole Saws                 TCT FASTCUT™ Multi-Purpose
 and other Non-Metallics                              TCT Carbide Tipped Sheet Metal           Hole Saws (MPH)
                                                      Saw Assemblies
 *Ceramics, Marble, Granite, Glass, Resins, Formica   Carbide Grit Hole Saws                   Diamond Grit Hole Saws
                                                      TCT FASTCUT™ Multi-Purpose
                                                       Hole Saws (MPH)
 *Coolant recommended




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                        HOL E S AW S A F ETY GUIDELINES AND APPLICATION T I P S


 Recommended Revolutions per Minute (RPMs) for Sawing Various Materials by Hole Saw Diameter
 Diameter                Mild Steel            Tool Steel        Brass & Aluminum      Wood
 9/16" – 1"              580-350               300-175           790-470               800-500
 1 - 1/16" – 2"          325-170               160-85            435-230               500-200
 2 - 1/16" – 3"          165-115               80-35             220-150               200-150
 3 - 1/8" – 4"           110-85                55-40             140-110               150-100
 4 - 1/8" – 6"           80-55                 40-25             100-75                100-75
 6 - 5/16" – 6 - 5/8"    50                    25                75                    150
 6 - 31/32"              45                    20                65                    140
 8 - 9/32"               40                    20                60                    125




 Recommended Cutting Speeds for Starrett Specialty Hole Saws

 Diamond Grit            Carbide Grit          Min. RPM (125 FPM) Max. RPM (250 FPM)
 9/16" – 1"              7/8" – 1’             500               1,000
 1 - 1/16" – 2"          1 - 1/16" – 2"        250               500
 2 - 1/4" – 3 - 1/4"     2 - 1/8" – 3 - 1/4"   150               300
 3 - 1/2" – 5"           3 - 1/2" – 4 - 1/2"   100               200




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