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PCD Wire Drawing Dies

Weilly Diamond – Trusted Manufacturer of High-Performance PCD Dies


At Weilly Diamond, we specialize in high-precision PCD dies engineered for cost-efficiency, durability, and dimensional stability. Our proprietary reinforcement methods and precision polishing techniques ensure reliable die performance across copper, aluminum, stainless steel, and more.

Ideal for automotive, power cable, and general industrial applications, our PCD dies come in various casing sizes and profiles to suit diverse production needs.

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

Standard Casing

D x H

0.05~0.10 +0-0.0015 +0-0.001 Ø25 or 28 x 8
0.10~0.40 +0-0.002 +0-0.001 Ø25 or 28 x 8
0.40~0.80 +0-0.002 +0-0.0015 Ø25 or 28 x 10
0.80~2.50 +0-0.003 +0-0.002 Ø25 or 28 x 12
2.50~4.50 +0-0.005 +0-0.004 Ø30 x 15
4.50~8.00 +0-0.010 +0-0.005 Ø42 x 20 or Ø55 x 24
8.00~25.0 +0-0.020 +0-0.010 Ø55 x 24 or Ø60 x 28

Features
◆ Made from high quality PCD Die blanks.
◆ Excellent reinforcement ensures best die life.
◆ Innovative polish process provides high quality finish of die and best delivery.
◆ Size available from 0.05 mm to 25mm.

Common Applications


◆ Copper and aluminum wire drawing.
◆ Welding wire and magnet wire production.
◆ Stainless steel and alloy wire drawing.
◆ Medium to large diameter wire for electrical, industrial, and automotive use common application.
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