● 用于内径千分尺、Holtest孔径千分尺和内径表的基点设置。
环规
177系列 内径千分尺、Holtest、内径表附件
177-220,177-222,177-225,177-227,177-230,177-236,
177-239,177-242,177-208,177-246,177-248,177-250,
177-252,177-255,177-204,177-257,177-205,177-263,
177-267,177-271,177-275,177-125,177-279,177-126,
177-284,177-132,177-177,177-133,177-285,177-286,
177-139,177-288,177-140,177-290,177-178,177-146,
177-292,177-314,177-147,177-316,177-294,177-318,
177-148,177-296,177-298,177-300,177-302,177-304,
177-306,177-308,177-310,177-312,
陶瓷环规
177-418,177-420,177-423,177-424,177-425,177-427,
177-429,177-430,177-431,177-432,177-433,177-434,