PCB Tolerances

Twisted Traces follows in-house tolerance guidelines to ensure quality of the printed circuit boards. Our strict adherence to these tolerance values have helped us provide performance-oriented printed circuit boards to clients in diverse industrial verticals.

Inner Layer Clearances  0.010" ( Minimum)  
 Outer layer scoring .010" ( Minimum)  
 Inner layer scoring .015" ( Minimum) 
 Annular Ring .005" ( Vias) & 0.007" ( component holes) – Minimum values 
Pad Size  0.010" over finished hole size for vias/ + 0.014" over finished hole size for component holes  
 Minimum Hole Size and Tolerance  Min Finish Hole: 0.006", Hole Tolerance: ±0.003"
Printed Circuit Board Thickness Tolerance  +/- 10% (min.+/- 0.005")  
Copper Trace Width Tracing  .004" for 1 oz. copper. finishing (outer layers) and .5 oz. copper finishing (inner layers) 
 Silkscreen (Legend) 0.005" minimum line width 


For any questions, or unique requirements, please feel free to call us on (630) 345-5400. We are ready to help you 24/7.

Prototype Panel

Quote and order your Prototype Panel PCBs online

Deadlines won't wait for the Co-op Panel to fill for your 1- to 8-layer board? No problem with our 12" X 18" Mini-Panel (working area 9" X 15").Quote and order your PCBs online.


Co-op Panel

Quote and order your Co-op Panel PCBs online

Bare board AND assembly orders can now share a panel to spread the cost – saving everyone money on set up costs as well as materials. Join a 2-layer or 4-layer Co-op Panel (Bare or Finished). These panels fill quickly as they are half the size of our competitors'! Quote and order your PCBs online.


Custom Quote

Quote and order your Custom PCBs online

Ready to take your prototype design to production? Looking for other board materials or a higher layer count? Whatever your requirement, send us your specs and we will send you a custom quote.Quote your Custom PCBs online.


Twisted Traces
725 Nicholas Blvd.
Elk Grove Village, IL 60007
(630) 345-5400

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