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Variable Pitch Hole Saws

Variable Pitch Hole Saws

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

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.

External tests prove that the RIDGID Bi-Metal Hole Saws Cut Faster than similar top 5 competitor hole saws, with:

  • 39% in 16 G 304 Stainless
  • 10 % in 1/2" OSB Wood
  • 12 % in 1/4" Mild Steel Plate

RIDGID Bi-Metal Hole Saws are ideal for wood, plastic, machinable metals, stainless steel alloys, nail-embedded wood cutting.

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Features

  • Premium M42 High Speed Steel Cutting Edge.
  • Patent Pending 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

{{model}}
Catalog Number Model No. Size Steel RPMs S/Steel RPMs Cast Iron RPMs Brass RPMs Aluminum RPMs
in. mm
52755 M14  9/16  14  580  300  400  790  900  Buy Now
52760 M16  5/8  16  550  275  365  730  825  Buy Now
52765 M17  11/16  17  500  250  330  665  750  Buy Now
52770 M19  3/4  19  460  230  300  600  690  Buy Now
52775 M21  13/16  21  390  195  260  520  585  Buy Now
52780 M22  7/8  22  370  185  245  495  555  Buy Now
52785 M24  15/16  24  350  175  235  470  525  Buy Now
52790 M25  25  325  160  215  435  480  Buy Now
52795 M27  1 1/6  27  310  155  210  420  465  Buy Now
52800 M29  1 1/8  29  300  150  200  400  450  Buy Now
52805 M30  1 3/32  30  285  145  190  280  425  Buy Now
52810 M32  1 1/4  32  275  140  180  360  410  Buy Now
52815 M33  1 9/32  33  260  135  175  345  390  Buy Now
52820 M35  1 3/8  35  250  125  165  330  375  Buy Now
52825 M37  1 15/32  37  240  120  160  315  360  Buy Now
52830 M38  1 1/2  38  230  115  150  300  345  Buy Now
52835 M40  1 9/16  40  220  110  145  290  330  Buy Now
52840 M41  1 5/8  41  210  105  140  280  315  Buy Now
52845 M43  1 11/16  43  205  100  135  270  305  Buy Now
52850 M44  1 3/4  44  195  95  130  260  295  Buy Now
52855 M46  1 13/16  46  190  95  125  250  285  Buy Now
52860 M48  1 7/8  48  180  90  120  240  270  Buy Now
52865 M51  51  170  85  115  230  255  Buy Now
52870 M52  2 1/16  52  165  80  110  220  245  Buy Now
52875 M54  2 1/8  54  160  80  105  210  240  Buy Now
52880 M57  2 1/4  57  150  75  100  200  225  Buy Now
52885 M59  2 5/16  59  145  75  100  195  225  Buy Now
52890 M60  2 3/8  60  140  70  95  190  220  Buy Now
52895 M64  2 1/2  64  135  65  90  180  205  Buy Now
52900 M65  2 9/16  65  130  65  85  175  200  Buy Now
52905 M67  2 5/8  67  130  65  85  175  200  Buy Now
52910 M70  2 3/4  70  125  60  80  160  185  Buy Now
52915 M73  2 7/8  73  120  60  80  160  180  Buy Now
52920 M76  76  115  55  75  150  170  Buy Now
52925 M79  3 1/8  79  110  55  70  140  165  Buy Now
52930 M83  3 1/4  83  105  50  70  140  155  Buy Now
52935 M86  3 3/8  86  100  50  70  130  150  Buy Now
52940 M89  3 1/2  89  95  45  65  130  145  Buy Now
52945 M92  3 5/8  92  95  45  60  120  140  Buy Now
52950 M95  3 3/4  95  90  45  60  120  135  Buy Now
52955 M98  3 7/8  98  90  45  60  120  135  Buy Now
52960 M102  102  85  40  55  110  130  Buy Now
52965 M105  4 1/8  105  80  40  55  110  120  Buy Now
52970 M108  4 1/4  108  80  40  50  100  120  Buy Now
52975 M110  4 3/8  110  80  40  55  100  120  Buy Now
52980 M114  4 1/2  114  75  35  50  100  105  Buy Now
52985 M121  4 3/4  121  70  35  45  90  95  Buy Now
52990 M127  127  65  30  40  85  90  Buy Now
52995 M140  5 1/2  140  60  30  35  80  85  Buy Now
53000 M152  152  55  25  35  75  85  Buy Now
Variable Pitch Hole Saws is rated 5.0 out of 5 by 1.
  • y_2017, m_10, d_17, h_20
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Rated 5 out of 5 by from Very good This is a very good product which gets the job done and easy to use
Date published: 2014-11-25
  • y_2017, m_10, d_17, h_20
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