我司還有其它型號：美國BA孔規系列

INCH MODEL .001" GRAD.
Part No. Capacity (英制測量范圍)
BA.040. 01 0.010" - 0.040"
BA.130. 01 0 .030" - 0.130"
BA.230.01 0.130" -0 .230"
BA.330.01 0 .230" - 0.330"
BA.430.01 0 .330"- 0.430"
BA.530.01 0.430"- 0.530"
BA.630.01 0 .530"- 0.630"
BA.730.01 0 .630"-0 .730"
BA.830.01 0 .730"-0 .830"
BA.930.01 0.830"-0 .930"
BA.1030.01 0 .930"- 1.030"

METRIC MODELS .02mm GRAD
Part No. Capacity (公制測量范圍)
BA.040M.01 0.25- 1.00mm
BA.130M.01 0.75- 3.30mm
BA.230M.01 3.30- 5.85mm
BA.330M.01 5.85- 8.35mm
BA.430M.01 8.35- 10.90mm
BA.530M.01 10.90- 13.50mm
BA.630M.01 13.50- 16.00mm
BA.730M.01 16.00- 18.55mm
BA.830M.01 18.55- 21.00mm
BA.930M.01 21.00- 23.60mm
BA.1030M.01 23.60- 26.15mm