BRASSELER USA NL4500 Operation Manual page 10

Caution
• When using a bur with a 25mm length, the working diameter must be within the value specified in the table below. Using
a bur with an excessive diameter could cause bur run-out and bend or break the bur.
Diamond Bur: ø2mm or less
øa
Carbide Bur: ø1mm or less