|
|
Dia.
(inch) |
Steels
Low, Med.
Carbon |
Steels,
Alloy,
Tool,
416 S.S. |
Stainless*
300 Ser,
Titanium,
High Temp.
Ni Alloys |
Cast Iron,
Grey,
Alum.,
Free cut. |
Cast Iron,
Ductile,
Nodular |
Non-Ferrous
Alloys, Difficult
To Chip |
|
| .125"** |
.00015" |
.00015" |
.0001" |
.00015" |
.00015" |
.0001" |
| .187"** |
.0003" |
.0003" |
.0002" |
.0003" |
.0003" |
.0002" |
| .250" |
.00045" |
.00045" |
.0003" |
.0005" |
.0005" |
.0003" |
| .375" |
.0007" |
.0006" |
.0005" |
.0013" |
.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" |
.0018" |
.0015" |
.001" |
.004" |
.003" |
.0015" |
|
| *Consult Sterling Gun Drills to verify application requirements. |
| ** N/A Half Round drill. Below minimum manufacturing diameter. |
| Drill lengths over 30:1, reduce feed rate by 20%. |
|
