Starrett 688-3Z 90 Degree Countersink Gauge: .160-.360″ stand Measuring range Meb: 10 –

Measuring range Meb: 10 – 30 mm

Has a flatness of 5µm and is made of hardened steel

extension rods (2 pcs)

1 % of the measured value

Accuracy - Max Permissible error 2

Starrett 688-3Z 90 Degree Countersink Gauge: .160-.360″ stand Measuring range Meb: 10 –688 3Z Starrett 90 Degree Countersink Gauge: . 360 . 560 The Starrett 688 3Z Countersink Gauge has the following specifications: Range: . 360 . 560 Graduations: . 002 Angle: 90 EDP: 63704 Starrett Countersink Gauges are offered in three different angles so that the gauge sets on the angular side of the countersink, as opposed to a chamfer gauge which sets on the top edge of the chamfer. This gauge directly reads the large diameter of the countersink