|
|
Dia.
(inch) |
Steels
Low, Med.
Carbon |
Steels,
Alloy,
Tool,
Fe Stainless |
Ni Stainless
Titanium,
High Temp.
|
Cast Iron,
Grey,
Free cut Alum. |
Cast Iron,
Ductile,
Nodular |
Poor Chipping
Alum. 6061 ex.
Copper |
|
| <.055"* |
.00005" |
.00005" |
.00005" |
.00007" |
.00007" |
.00005" |
| .062"* |
.00006" |
.0006" |
.00006" |
.00080" |
.00008" |
.00006" |
| .078" |
.00008" |
.00008" |
.00007" |
.0001" |
.0001" |
.00007" |
| .094" |
.0001" |
.0001" |
.00008" |
.00015" |
.00015" |
.00008" |
| .125" |
.00015" |
.00015" |
.0001" |
.0002" |
.0002" |
.0001" |
| .187" |
.003" |
.0003" |
.0002" |
.0004" |
.0003" |
.0002" |
| .250" |
.00045" |
.00045" |
.0003" |
.0008" |
.0006" |
.0003" |
| .375" |
.0007" |
.0006" |
.0005" |
.0015" |
.001" |
.0005" |
| .500" |
.0008" |
.0007" |
.0006" |
.002" |
.0015" |
.0007" |
| .625" |
.001" |
.0009" |
.0007" |
.0025" |
.002" |
.0009" |
| .750" |
.0013" |
.0011" |
.0008" |
.003" |
.0025" |
.0011" |
| 1.00" |
.0016" |
.0013" |
.001" |
.0035" |
.003" |
.0015" |
| 1.25" |
.0018" |
.0015" |
.0012" |
.004" |
.0035" |
.0018" |
| 1.50" |
.002" |
.0018" |
.0014" |
.005" |
.004" |
.002" |
|
| *Solid carbide flute & tip. |
| Drill lengths over 50:1, reduce feed rate by 20%. |
|
