EDM STONE is harder than LAP MATE
Application Grit Size (mm)
Surface lapping after EDM processing # 120 1 X 6 X 100
for general mold # 180 1.5 X 6 X 100
Features # 240 2 X 6 X 100
This special stone has higher hardness and less abrasion # 320 3 X 6 X 100
It shows high performance for detailed polish,such as # 400 1 X 10 X 100
Corners of acute angles. # 600 1.5 X 10 X 100
# 800 2 X 10 X 100
# 1000 3 X 6 X 150
# 1200 6 X 6 X 150
Gain Hardness Bond Pack 3 X 13 X 150
WA Medium/Hard V 20 pcs 5 X 13 X 150