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Variable Pitch Hole Saws

Variable Pitch Hole Saws

The RIDGID Bi-Metal hole saws have become more cost effective, while delivering maximum cutting performance.

They are made of premium M42 High Speed Steel Cutting edge and have Tooth Set Design which double the life of the old hole saws.

RIDGID Variable Pitch Hole Saws are ideal for wood, plastic, machinable metals, stainless steel alloys, & nail-embedded wood cutting. They are now made of premium M42 High Speed Steel Cutting edge and have Patent Pending Tooth Set Design which double the life of the old hole saws.

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Features

  • Premium M42 High Speed Steel Cutting Edge.
  • Tooth Set Design optimized to remove material faster.
  • Enhanced Product Life – 2 x’s the life of the old hole saws.
  • 1-15/16” (49mm) Cutting Depth.
  • Side Slot for Increased Leverage for Fast and Easy Slug Removal.
  • Durable .050” side wall (prevents collapsing).
  • Cap reduces run out and vibration.
  • External coating reduces side wall friction for efficient cutting.

Note: Use RIDGID® Thread Cutting Oil on all metal except cast iron.

Ordering Information

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Catalog Number Model No. Description Size Steel RPMs S/Steel RPMs Cast Iron RPMs Brass RPMs Aluminum RPMs
in. mm
15561 M20  HOLE SAW, M-20 H.S.  25/32  20  425  210  280  560  630  Buy Now
52755 M14  HOLE SAW, M14 HS REG  9/16  14  580  300  400  790  900  Buy Now
52760 M16  HOLE SAW, M16 HS REG  5/8  16  550  275  365  730  825  Buy Now
52765 M17  HOLE SAW, M17 HS REG  11/16  17  500  250  330  665  750  Buy Now
52770 M19  HOLE SAW, M19 HS REG  3/4  19  460  230  300  600  690  Buy Now
52775 M21  HOLE SAW, M21 HS REG  13/16  21  390  195  260  520  585  Buy Now
52780 M22  HOLE SAW, M22 HS REG  7/8  22  370  185  245  495  555  Buy Now
52785 M24  HOLE SAW, M24 HS REG  15/16  24  350  175  235  470  525  Buy Now
52790 M25  HOLE SAW, M25 HS REG  1  25  325  160  215  435  480  Buy Now
52795 M27  HOLE SAW, M27 HS REG  1 1/6  27  310  155  210  420  465  Buy Now
52800 M29  HOLE SAW, M29 HS REG  1 1/8  29  300  150  200  400  450  Buy Now
52805 M30  HOLE SAW, M30 HS REG  1 3/16  30  285  145  190  280  425  Buy Now
52810 M32  HOLE SAW, M32 HS REG  1 1/4  32  275  140  180  360  410  Buy Now
52815 M33  HOLE SAW, M33 HS REG  1 9/32  33  260  135  175  345  390  Buy Now
52820 M35  HOLE SAW, M35 HS REG  1 3/8  35  250  125  165  330  375  Buy Now
52825 M37  HOLE SAW, M37 HS REG  1 15/32  37  240  120  160  315  360  Buy Now
52830 M38  HOLE SAW, M38 HS REG  1 1/2  38  230  115  150  300  345  Buy Now
52835 M40  HOLE SAW, M40 HS REG  1 9/16  40  220  110  145  290  330  Buy Now
52840 M41  HOLE SAW, M41 HS REG  1 5/8  41  210  105  140  280  315  Buy Now
52845 M43  HOLE SAW, M43 HS REG  1 11/16  43  205  100  135  270  305  Buy Now
52850 M44  HOLE SAW, M44 HS REG  1 3/4  44  195  95  130  260  295  Buy Now
52855 M46  HOLE SAW, M46 HS REG  1 13/16  46  190  95  125  250  285  Buy Now
52860 M48  HOLE SAW, M48 HS REG  1 7/8  48  180  90  120  240  270  Buy Now
52865 M51  HOLE SAW, M51 HS REG  2  51  170  85  115  230  255  Buy Now
52870 M52  HOLE SAW, M52 HS REG  2 1/16  52  165  80  110  220  245  Buy Now
52875 M54  HOLE SAW, M54 HS REG  2 1/8  54  160  80  105  210  240  Buy Now
52880 M57  HOLE SAW, M57 HS REG  2 1/4  57  150  75  100  200  225  Buy Now
52885 M59  HOLE SAW, M59 HS REG  2 5/16  59  145  75  100  195  225  Buy Now
52890 M60  HOLE SAW, M60 HS REG  2 3/8  60  140  70  95  190  220  Buy Now
52895 M64  HOLE SAW, M64 HS REG  2 1/2  64  135  65  90  180  205  Buy Now
52900 M65  HOLE SAW, M65 HS REG  2 9/16  65  130  65  85  175  200  Buy Now
52905 M67  HOLE SAW, M67 HS REG  2 5/8  67  130  65  85  175  200  Buy Now
52910 M70  HOLE SAW, M70 HS REG  2 3/4  70  125  60  80  160  185  Buy Now
52915 M73  HOLE SAW, M73 HS REG  2 7/8  73  120  60  80  160  180  Buy Now
52920 M76  HOLE SAW, M76 HS REG  3  76  115  55  75  150  170  Buy Now
52925 M79  HOLE SAW, M79 HS REG  3 1/8  79  110  55  70  140  165  Buy Now
52930 M83  HOLE SAW, M83 HS REG  3 1/4  83  105  50  70  140  155  Buy Now
52935 M86  HOLE SAW, M86 HS REG  3 3/8  86  100  50  70  130  150  Buy Now
52940 M89  HOLE SAW, M89 HS REG  3 1/2  89  95  45  65  130  145  Buy Now
52945 M92  HOLE SAW, M92 HS REG  3 5/8  92  95  45  60  120  140  Buy Now
52950 M95  HOLE SAW, M95 HS REG  3 3/4  95  90  45  60  120  135  Buy Now
52955 M98  HOLE SAW, M98 HS REG  3 7/8  98  90  45  60  120  135  Buy Now
52960 M102  HOLE SAW, M102 HS REG  4  102  85  40  55  110  130  Buy Now
52965 M105  HOLE SAW, M105 HS REG  4 1/8  105  80  40  55  110  120  Buy Now
52970R M108  HOLE SAW, M108 HS REG  4 1/4  108  80  40  50  100  120  Buy Now
52975 M110  HOLE SAW, M111 HS REG  4 3/8  110  80  40  55  100  120  Buy Now
52980 M114  HOLE SAW, M114 HS REG  4 1/2  114  75  35  50  100  105  Buy Now
52985 M121  HOLE SAW, M121 HS REG  4 3/4  121  70  35  45  90  95  Buy Now
52990 M127  HOLE SAW, M127 HS REG  5  127  65  30  40  85  90  Buy Now
52995 M140  HOLE SAW, M140 HS REG  5 1/2  140  60  30  35  80  85  Buy Now
53000 M152  HOLE SAW, M152 HS REG  6  152  55  25  35  75  85  Buy Now
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