英制型
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