PCB Manufacturing Tolerances

Measurement units:

	Standard	Additional
Copper to edge of board	0.010'' 0.25 mm 10 mils	0.010'' 0.25 mm 10 mils
Pad size/annular ring	0.008'' 0.2 mm 8 mils	0.004'' 0.1 mm 4 mils
Hole size	±0.005'' ±0.13 mm ±5 mils	±0.003'' ±0.08 mm ±3 mils
Drill positioning	±0.005'' ±0.13 mm ±5 mils	±0.003'' ±0.08 mm ±3 mils
Board thickness	±10%	±10%
Copper weight	±0.25 oz	±0.25 oz
Board outline (routing)	0.010'' 0.25 mm 10 mils	0.008'' 0.20 mm 8 mils
Minimal slot width	0.12'' 3.0 mm 120 mils	0.032'' for slots < 0.08'' in length 0.8 mm for slots < 2.0 mm in length 32 mils for slots < 80 mils in length
Tab routing space	0.12'' 3.0 mm 120 mils	0.12'' 3.0 mm 120 mils
V-score depth	20-25% of board thickness	20-25% of board thickness
Score lines spacing	0.12'' 3.0 mm 120 mils	0.12'' 3.0 mm 120 mils