Sapphire Bar Hole Ringstone – MT5008

Specifications

Model MT5008
Inside Diameter 0.2440 - 0.2640
Outside Diameter 4.7530 - 4.7730
Length 0.2440 - 0.2640
Type Sapphire
Custom options are available.

Description

Bar Hole Ringstones are flat on both sides with a straight hole through the center of the part. The ID is straight and thus restricts the lateral movement of the shaft where the area of contact tends to increase the friction.