美国Barcorgages快测孔径规被设计用来快速量测细小平整或凹孔的直径。
Hole Gauge, Model040M 0.25- 1.00mm
Hole Gauge, Model130M 0.75- 3.30mm
Hole Gauge, Model230M 3.30- 5.85mm
Hole Gauge, Model330M 5.85- 8.35mm
Hole Gauge, Model430M 8.35- 10.90mm
Hole Gauge, Model530M 10.90- 13.50mm
Hole Gauge, Model630M 13.50- 16.00mm
Hole Gauge, Model730M 16.00- 18.55mm
Hole Gauge, Model830M 18.55- 21.00mm
Hole Gauge, Model930M 21.00- 23.60mm
Hole Gauge, Model1030M 23.60- 26.15mm
Hole Gauge, Model040 0.010"- 0.040"
Hole Gauge, Model130 0.030"- 0.130"
Hole Gauge, Model230 0.130"- 0.230"
Hole Gauge, Model330 0.230"- 0.330"
Hole Gauge, Model430 0.330"- 0.430"
Hole Gauge, Model530 0.430"- 0.530"
Hole Gauge, Model630 0.530"- 0.630"
Hole Gauge, Model730 0.630"- 0.730"
Hole Gauge, Model830 0.730"- 0.830"
Hole Gauge, Model930 0.830"- 0.930"
Hole Gauge, Model1030 0.930"- 1.030"