Holesaw Diameter		Mild Steel	Stainless &a Tool Steel	Copper &a Brass	Aluminium &a Wood
mm	inch	27	15	40	45
14	9/16"	595	330	880	990
16	5/8"	535	295	790	890
17	11/16"	485	270	720	810
19	3/4"	445	245	660	740
20	-	425	235	630	705
21	13/16"	410	230	610	685
22	7/8"	380	210	565	635
24	15/16"	355	200	530	595
25	1"	335	185	495	555
27	1-1/16"	315	175	465	525
29	1-1/8"	295	165	440	495
30	1-3/16"	280	155	415	470
32	1-1/4"	265	150	395	445
33	1-5/16"	255	140	375	425
35	1-3/8"	245	135	360	405
37	1-7/16"	230	130	345	385
38	1-1/2"	225	125	330	370
40	1-9/16"	215	120	315	355
41	1-5/8"	205	115	305	345
43	1-11/16"	200	110	295	330
44	1-3/4"	190	105	285	320
46	1-13/16"	185	100	275	305
48	1-7/8"	180	100	265	295
51	2"	165	95	245	280
52	2-1/16"	160	90	240	270
54	2-1/8"	155	85	235	260

DISCLAIMER: The recommended speeds are maximums that should not be exceeded. Whilst every effort has been made to ensure this information is accurate,Sutton Tools &a LSC does not accept liability for any loss or damage, either direct or consequential, arising out of errors or in relation to the use or application of the information referred to herein.

It is recommended that a cutting fluid be used to extend the life of your holesaw where applicable. Sutton Tools Venom Cutting Fluid (item# M8000250) is recommended by Sutton Tools.