The grinding wheel is made of abrasive and bonding agent with a circular hole in the central consolidated abrasive.

41-A30Q4BF MAX SPEED R.P.M.

41

According to international practice means T41-parallel wheel T42-cymbals-type cutting wheel T27-cymbals-type grinding wheel

A

Abrasive: A-corundum WA-white corundum C-black carbonized silicon GC green silicon carbide
AC mixed abrasive SA-single crystal corundum MA-microcrystalline corundum BA-black corundum ZA-zirconium corundum
PA-chrome corundum FA-semi-brittle corundum SG-ceramic corundum SC-cubic silicon carbide BC-boron carbide D-diamond

30

80, 90, 100, 120, 150, 180, 220 (hereinafter referred to as "fine powder") in the form of fine particles of abrasive grain size: 16, 20, 24, 30, 36, 40, 46, 54, 60, 70,

Q

Hardness of grinding wheel: F, Q, H, J, K, L, M, N, P, Q, R, S, T, Y

4

Organization number: According to the abrasive in the grinding wheel products in the volume ratio points
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

B

Binder Type

F

Enhanced

MAX SPEED

Maximum permissible linear velocity in meters per second

R.P.M.