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Frequently Asked Questions about Wire EDM



What is the smallest wire cut hole?
What is the range of surface finishes?
What wire sizes do you use?
Do you reuse the wire?
Does the wire touch the part?





What is the smallest wire cut hole?

The answer is dependent on a number of variables, however a rule of thumb answer is approximately 0.018” diameter. However, with the right conditions it may be smaller. Please contact us when this is a critical consideration.

What is the smallest ED bore hole?

Again the answer is dependent on a number of variables. The rule of thumb answer is 0.012” diameter. Please contact us to verify viability.

What is the range of surface finishes?

Our best wire cut finish is 10 micro inches. Finishes this fine are material dependent.


What wire sizes do you use?

Wire uses between 0.004” diameter and 0.012” diameter wire.

Do you reuse the wire?

No, the wire breaks down and is not reusable but we do send it to recycling.

Does the wire touch the part?

No, the machining is done by electrical discharge “the spark”. When the wire touches the part it produces a short circuit and cutting stops.

For further information:
About Wire EDM
When To Use Wire EDM

For further inquiries please Contact Us


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B.G. Peck Company, Inc
50 Shepard Street
Lawrence, MA 01843
Tel: 978-686-4181
Fax: 978-685-4321