Ruby Bar Hole Ringstone – MT5009

Specifications

Model MT5009
Inside Diameter 0.6520 - 0.6590
Outside Diameter 2.28 - 2.30
Length 0.49 - 0.51
Type Ruby
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.