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ND Wire Drawing Dies

Precision for Fine & Ultra-Fine Wire Drawing

At Weilly Diamond, we specialize in the design and production of high-precision Natural diamond Dies tailored to exacting industry standards. Our advanced manufacturing and polishing techniques support custom profiles, tight tolerances, and wide range of wire sizes .

Trusted by wire and cable manufacturers worldwide, Weilly delivers consistent quality, reliable lead times, and solutions built for the demands of modern wire drawing operations.


Features

◆ Excellent surface smoothness and a low coefficient of friction.

◆ Precise die shape for improved wire accuracy.

◆ Most appropriate to producing ultra-fine and fine wires with size range: 0.015 mm to 2.0 mm.


Common Applications


Gold, Silver, Aluminum and copper bonding wire.

Stainless steel and medical-grade wire. 

EDM wire and precision alloys.

Precious metal wire drawing.

Standard Tolerances and Casing Specifications for Natural Diamond Dies Unit: mm
Size Range Standard Tolerance Minimum Tolerance

Standard Casing

D x H

<0.040 +0-0.0005 +0-0.0004 Ø25 or 28 x 6
0.040~0.059 +0-0.0008 +0-0.0005 Ø25 or 28 x 8
0.060~0.099 +0-0.001 +0-0.0005 Ø25 or 28 x 8
0.100~0.399 +0-0.0015 +0-0.001 Ø25 or 28 x 8
0.400~0.799 +0-0.002 +0-0.001 Ø25 or 28 x 10
0.800~2.500 +0-0.003 +0-0.002 Ø25 or 28 x 12
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