Model

Application Range

Hardness Range

Specimen Dimension(mm)

W-B75

brass

63～105HRF

Thickness 0.4-6 Inner diameter>10

W-B75b

Thickness 0.4-8 Inner diameter>6

W-BB75

copper

18～100HRE

Thickness 0.4-6 Inner diameter>10

W-BB75b

Thickness 0.4-8 Inner diameter>6