详细介绍：

2 - 3mm 368-906 2-2.5, 2.5-3mm ø2.5mm —
3 - 6mm 368-907 3-4, 4-5, 5-6mm ø4mm, ø5mm —
6 - 12mm 368-901-10 6-8, 8-10, 10-12mm ø8mm, ø10mm 带有延长杆
12 - 20mm 368-912 12-16, 16-20mm ø16mm 带有延长杆
20 - 50mm 368-913 20-25, 25-30, 30-40, 40-50mm ø25mm, ø40mm 带有延长杆
50 - 100mm 368-914 50-63, 62-75, 75-88, 87-100mm ø62mm, ø87mm 带有延长杆
100 - 200mm 368-915 100-125, 125-150, 150-175, 175-200mm ø125mm, ø175mm 带有延长杆
英制型
测量范围货号单体测量范围校正环规备注
.08" - .12" 368-926 .08-.1", .1-.12" .1" DIA. —
.12" - .28" 368-927 .12-.16", .16-.2", .2-.24", .24-.28" .16" DIA., .24" DIA. —
.275" - .5" 368-921-10 .275-.35", .35-.425", .425-.5" .35" DIA., .5" DIA. 带有延长杆
.5" - .8" 368-917 .5-.65", .65-.8" .65" DIA. 带有延长杆
.8" - 2" 368-918 .8-1", 1-1.2", 1.2-1.6", 1.6-2" 1" DIA., 1.6" DIA. 带有延长杆
2" - 4" 368-919 2-2.5", 2.5-3", 3-3.5", 3.5-4" 2.5" DIA., 3.5" DIA. 带有延长杆
4" - 8" 368-920 4-5", 5-6", 6-7", 7-8" 5" DIA., 7" DIA. 带有延长杆
*.0001" 分度值
368-911