Technical Information Operating SpeedsHole Saws Recommended Operating Speeds for Hole Saws Guidelines on generally recommended operating speeds. Always follow the recommendations of the hole saw manufacturer concerning use and operating speeds. Bi-Metal Hole Saw Operating Speeds (RPM Table) Hole Saw Operating Speeds (RPM Table) brick reinforced inches mm ceramic slate plastics fiberglass tool steel inches mm length mild steel & stainless cast iron brass aluminum wood 9/1614 0.1475803004007909003000 5/8160.1645502753657308253000 11/16170.1805002503306657503000 3/4190.1964602303006006903000 –200.2134402202905806603000 7/8220.2293901952605205853000 1250.2623501752354705252700 1-1/16270.2783251602154354802700 1-1/8290.2953001502004004502700 1-3/16300.3112851451903804252400 1-1/4320.3272751401803604102400 1-5/16330.3442601351753453902400 1-3/8350.3602501251653303752400 1-7/16370.3762401201603153602400 1-1/2380.3932301151503003452400 1-9/16400.4092201101452903302100 1-5/8410.4252101051402803152100 1-11/16430.4422051001352703052100 1-3/4440.458195951302602952100 1-13/16460.475190951252502852100 1-7/8480.491180901202402702100 2510.524170851152302552000 2-1/16520.540165801102202452000 2-1/8540.556160801052102402000 2 1/4570.589150751002002252000 2-5/16590.60514575951952252000 2-3/8600.62214070901902202000 2-1/2640.65513565851802051850 2-9/16650.67113065851752001850 2 5/8670.68713065851701951800 – 680.70413065801701901800 2-3/4700.72012560801601851800 2-7/8730.75312060751601801800 3760.78511555701501701800 3-1/8790.81811055701401651500 3-1/4830.85110550651401551500 3-3/8860.88410050651301501500 3-1/2890.9169545601301451200 3 5/8920.9499045601201401200 3-3/4950.9829045601201351200 3-7/8981.0149045601201351200 41021.0478540551101301000 4-1/81041.0808040551101201000 4-1/41081.113804055110120900 4-3/81111.145804050100120900 4-1/21141.178753550100105900 4-3/41211.2447535509295900 51271.3096530459090800 5-1/21401.4406025408585800 5-3/41461.5055525357575800 61521.5715525357575800 5/81662015402140920 3/41951012801790770 – 2047011801660715 7/82243010901530660 1253809601340580 1-1/8293408501190510 1-1/4323107701070460 1 3/835280700980420 1-1/238260640890390 1-3/444220550770330 1-7/848200510720310 251190480670290 2-1/854180450630280 2-1/457170430600270 2-3/860160400570250 2-1/264150380540230 2-3/470140350500210 376130320450190 3-1/483120295415180 3-3/886115285400175 3-3/495102255350160 410295240330150 4-1/211482215290125
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