See Preset Drill Size Table
See Recommended Pad & Clearance Table
Excellon drill file: The drill file is also commonly referred to as anNC (numerically
controlled) drill file in the industry. Excellonisthe preferred term used
with our Sunstone services. The Excellon drill file defines hole locations and tool
numbers (X&Y coordinates).
Quickturn Drill File Requirements:
- All holes are plated through meaning, there will be solder in the hole barrel.
- Must be Excellon format
- Must be ASCII text viewable. Please open with “Word” or “notepad” to verify a numeric
list of X & Y coordinates. There should be no strange graphical characters.
- Drill file should not contain “G01”, “G54”, or any reference to “D” codes when opened
in a text editor. This indicates a Gerber format and is most likely a drill drawing
rather than an NC file.
- Properly formatted drill files have sizes separated with “T” codes that indicate
tool numbers. (T01, T02, etc)
- A tool report with sizes is necessary if the sizes are not included in the drill
file header.
Quickturn Service Restrictions:
- All holes are through hole from top to bottom layer of board.
- We cannot guarantee Non-Plated through holes wil be non-plated.
- No Blind or buried vias.
- No connected holes, slots, canned circles. Please make sure there is space between
holes, we require .010" from object edge to edge. Holes with <= 0.006"
between holes (after standard drill sizes are added) may be deleted if tool size
is <= 0.070".
- Please limit your total number of holes per board design to
no more than 35 per sq-inch.
- Sunstone cannot created the drill file from a gerber
file, fabrication document or drawing.
Preset Finish Drill Sizes - Imperial sizes in inches (mils)
Your drill sizes (contained in your file) in these ranges will be converted to our
pre-set finish hole sizes:
|
0.0000 - 0.0159
|
0.008 *
|
.006/-.008
|
0.0250
|
0.0330
|
|
0.0160 - 0.0179
|
0.016
|
+0.002/- 0.006
|
0.0310
|
0.0410
|
|
0.0180 - 0.0249
|
0.0200
|
+/- 0.004
|
0.0370
|
0.0450
|
|
0.025 - 0.0289
|
0.0250
|
+/- 0.004
|
0.0420
|
0.0500
|
|
0.0290 - 0.0319
|
0.0290
|
+/- 0.004
|
0.0460
|
0.0540
|
|
0.0320 - 0.0349
|
0.0330
|
+/- 0.004
|
0.0500
|
0.0580
|
|
0.0350 - 0.0380
|
0.0360
|
+/- 0.004
|
0.0530
|
0.0610
|
|
0.0381 - 0.0410
|
0.0405
|
+/- 0.004
|
0.0575
|
0.0655
|
|
0.0411 - 0.0449
|
0.0432
|
+/- 0.004
|
0.0602
|
0.0682
|
|
0.0450 - 0.0519
|
0.0460
|
+/- 0.004
|
0.0630
|
0.0710
|
|
0.0520 - 0.0599
|
0.0535
|
+/- 0.004
|
0.0705
|
0.0785
|
|
0.0600 - 0.0659
|
0.0610
|
+/- 0.004
|
0.0780
|
0.0860
|
|
0.0660 - 0.0759
|
0.0670
|
+/- 0.004
|
0.0840
|
0.0920
|
|
0.0760 - 0.0839
|
0.0800
|
+/- 0.004
|
0.0970
|
0.1050
|
|
0.0840 - 0.0899
|
0.0875
|
+/- 0.004
|
0.1045
|
0.1125
|
|
0.0900 - 0.0969
|
0.0935
|
+/- 0.004
|
0.1105
|
0.1185
|
|
0.0970 - 0.1059
|
0.1005
|
+/- 0.004
|
0.1175
|
0.1255
|
|
0.1060 - 0.1160
|
0.1100
|
+/- 0.004
|
0.1270
|
0.1350
|
|
0.1161 - 0.1329
|
0.1259
|
+/- 0.004
|
0.1429
|
0.1509
|
|
0.1330 - 0.1429
|
0.1410
|
+/- 0.004
|
0.1580
|
0.1660
|
|
0.1430 - 0.1529
|
0.1510
|
+/- 0.004
|
0.1680
|
0.1760
|
|
0.1530 - 0.1709
|
0.1670
|
+/- 0.004
|
0.1840
|
0.1920
|
|
0.1710 - 0.2019
|
0.1930
|
+/- 0.004
|
0.2100
|
0.2180
|
|
0.2020 - 10.000
|
0.2510
|
+/- 0.004
|
0.2680
|
0.2760
|
* 0.008 Finish Hole Size only available
on 4 - 6 layer board orders.
** Recommended minimum pad size guarantees through-hole electrical continuity.
*** Recommended minimum inner layer clearances prevent electrical shorts caused
from through-holes connecting directly to ground plane.
