| Starrett's Series 650 back plunger indicators have a detachable deep hole attachment that interconnects directly with the main spindle for positive action. The attachment is ideal for checking internal dimensions of a workpiece while in fixtures or machines. The attachment can easily be removed for other applications.
Full set consists of indicator with three contact points, detachable deep hole attachment and three accessory attachments in a case.
Both indicator models have 1-11/16 inch diameter bezels and adjustable dials to set zero at any point opposite the hand. The indicator mounting rod measures 1/4 inch in diameter by 3-3/16 inches in length. The back plunger stem is AGD 3/8 inch diameter by 5/8 inch long. ISO certified. |
