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How to read a drilling mold
For a proper method of drilling, the drill mold is important. A drill mold gives a drilling instruction to the supplier.
How do you read a drill mold?
For example L4-7-6-80 means:
|L||Position left of the book|
|4||Number of holes|
|7||Diameter of the drilling in mm|
|6||Distance between the leaf edge and beginning of the drilling|
|80||Distance between the drilling centers|