SF Diamond is first company who can manufacture PCD die blanks for wire drawing in China and is still one of two companies who can make biggest blanks like CD3020SP in the world now.

Two types of blanks can be supplied:

One is Self-Supported Die Blanks:CD GRADE and TSD GRADE
ADDMA Designation:D6-D27
Grain size available(micron):003,005,010,025
Recommended hole size(mm):0.4-5.8

CD Tungsten Carbide Supported Die Blanks
ADDMA Designation:D12-D36
Grain size available(micron):003,005,010,025,050
Recommended hole size(mm):1.0-16.0

CD Die Blanks Grade recommended application:
Mount at temperature not exceeding 650 degree Celsius
Suitable for drawing:
Copper& Stainless steel
Aluminium&Aluminium Alloys
Low carbon steel wire
Welding wire& Spring wire

TSD Die Blanks Grade recommended application:
Mount at high temperature not exceed 1000 degree Celsius with high strength metal setting powder.
Suitable for drawing:
High temperature tungsten wire
Molybdenum w