Choosing The Right Drill Speed For Acrylic & Polycarbonate
It is important when drilling acrylic and polycarbonate to use the correct drill speed to avoid cracking or damaging the acrylic and polycarbonate materials.
Figure 1 - Acrylic sheet
| Table 1 - Acrylic & Polycarbonate Drill Bit Speeds | |||||
Hole Diameter Inches |
Twist Drills |
Pilot-Point Drills |
Brad Point Bits |
Forstner Bits |
Spade Bits |
1/16 |
2500 |
|
|
|
|
1/8 - 3/16 |
2500 |
3000 |
1500 |
|
|
1/4 - 3/8 |
2000 |
2400 |
1500 |
|
500 |
7/16 - 1/2 |
1500 |
1600 |
1000 |
250 |
500 |
9/16 - 5/8 |
1500 |
|
750 |
250 |
500 |
11/16 - 3/4 |
|
|
750 |
250 |
500 |
13/16 - 7/8 |
|
|
500 |
250 |
500 |
15/16 - 1 |
|
|
250 |
250 |
500 |
1 1/8 - 1 1/4 |
|
|
250 |
250 |
|
Additional information:
Drill Speeds - Hardwood and Softwood
Drill Speeds - Brass, Aluminum, Steel
How To Drill - Ceramics
How To Drill - Porcelain, Marble & Granite
