Manufacturing Tips

Recommended Hole Saw Operating Speeds

Hole Saw Size		Mild Steel	Tool Stainless	Cast Iron	Brass	Aluminum
Inches	MM	Mild Steel	Tool Stainless	Cast Iron	Brass	Aluminum
9/16	14	580	300	400	790	900
5/8	16	550	275	365	730	825
11/16	17	500	250	330	665	750
3/4	19	460	230	300	600	690
	20	440	220	290	580	660
7/8	22	390	195	260	520	585
1	25	350	175	235	470	525
1-1/16	27	325	160	215	435	480
1-1/8	29	300	150	200	400	450
1-3/16	30	285	145	190	380	425
1-1/4	32	275	140	180	360	410
1-5/16	33	260	135	175	345	390
1-3/8	35	250	125	165	330	375
1-7/16	37	240	120	160	315	360
1-1/2	38	230	115	150	300	345
1-9/16	40	220	110	145	290	330
1-5/8	41	210	105	140	280	315
1-11/16	43	205	100	135	270	305
1-3/4	44	195	95	130	250	295
1-13/16	46	190	95	125	250	285
1-7/8	48	180	90	120	240	270
2	51	170	85	115	230	255
2-1/16	52	165	80	110	220	245
2-1/8	54	160	80	105	210	240
2-1/4	57	150	75	100	200	225
2-5/16	59	145	75	95	195	225
2-3/8	60	140	70	90	190	220
2-1/2	64	135	65	85	180	205
2-9/16	65	130	65	85	175	200
2-5/8	67	130	65	85	170	195
	68	130	65	85	170	195
2-3/4	70	125	60	80	160	185
2-7/8	73	120	60	75	160	180
3	76	115	55	70	150	170
3-1/8	79	110	55	70	140	165
3-1/4	83	105	50	65	140	155
3-3/8	86	100	50	65	130	150
3-1/2	89	95	45	60	130	145
3-5/8	92	90	45	60	120	140
3-3/4	95	90	45	60	120	135
3-7/8	98	90	45	60	120	135
4	102	85	40	55	110	130
4-1/8	104	80	40	55	110	120
4-1/4	108	80	40	55	110	120
4-3/8	111	80	40	50	100	120
4-1/2	114	75	35	50	100	105
4-3/4	121	75	35	50	92	95
5	127	65	30	45	90	90
5-1/2	140	60	25	40	85	85
5-3/4	146	55	25	35	75	75
6	152	55	25	35	75	75

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