Choosing The Correct Drill Speed For Brass, Aluminum & Steel

It is important when drilling brass, aluminum and steel to use the correct drill speed to avoid damaging the metal and the drill bit.

Figure 1 - Sheet metal - steel

Note: The drill bit speeds, listed here, are based on high quality drill bits rated for drilling in metal.

Table 1 - Drill Bit Speeds For Brass

Table 2 - Drill Bit Speeds For Aluminum

Table 3 - Drill Bit Speeds For Steel

Note: It is always wise to use a cutting oil to lubricate the drill bit when drilling any metals. Cutting oil will help to prevent the bit from overheating.

Additional information:

Drill Speeds - Hardwood and Softwood

Drill Speeds - Acrylic and Polycarbonate

How To Drill - Ceramics

How To Drill - Porcelain, Marble & Granite