bevelled chamfer & hard gold finger

Gold finger beveling

Bevel angle range: 20 °, 30 °, 45 °, tolerance + / 5 °.

Bevel depth:

Calculation formula of bevel depth：L=（D/2-T/2）/tgαα

D： thickness of board  mm    T: Residual thickness of board

α: bevel angle                L: Depth of bevel  mm