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校正环规177 系列 — 内径千分尺、Holtest、内径表附件特点•用于内径千分尺、Holtest 和内径表的快速调零。•每个校正环规上都标有实际内径。性能参数校正环规公制型尺寸 货号 精度1mm 177-220 ±1.5μm1.1mm 177-222 ±1.5μm1.2mm 177-225 ±1.5μm1.3mm 177-227 ±1.5μm1.4mm 177-230 ±1.5μm1.75mm 177-236 ±1.5μm2mm 177-239 ±1.5μm2.25mm 177-242 ±1.5μm2.5mm 177-208 ±1.5μm2.75mm 177-246 ±1.5μm3mm 177-248 ±1.5μm3.25mm 177-250 ±1.5μm3.5mm 177-252 ±1.5μm3.75mm 177-255 ±1.5μm4mm 177-204 ±1.5μm4.5mm 177-257 ±1.5μm5mm 177-205 ±1.5μm5.5mm 177-263 ±1.5μm6mm 177-267 ±1.5μm6.5mm 177-271 ±1.5μm7mm 177-275 ±1.5μm8mm 177-125 ±1.5μm10mm 177-126 ±1.5μm12mm 177-284 ±1.5μm14mm 177-132 ±1.5μm英制型尺寸 货号 精度.1" 177-209 ±.00004".16" 177-206 ±.00004".24" 177-207 ±.00004".275" 177-281 ±.00004".35" 177-179 ±.00004".425" 177-283 ±.00004".50" 177-180 ±.00004".60" 177-181 ±.00004".65" 177-182 ±.00004".70" 177-183 ±.00004".80" 177-287 ±.00004"1.0" 177-184 ±.00004"1.2" 177-289 ±.00004"1.4" 177-185 ±.00004"1.6" 177-291 ±.00004"1.8" 177-186 ±.00004"2.0" 177-187 ±.00004"2.4" 177-293 ±.00004"2.5" 177-315 ±.00006"2.8" 177-188 ±.00006"3.0" 177-317 ±.00006"3.2" 177-295 ±.00006"3.5" 177-319 ±.00006"3.6" 177-189 ±.00006"4.0" 177-297 ±.00008"5.0" 177-299 ±.00008"6.0" 177-301 ±.00008"7.0" 177-303 ±.00010"8.0" 177-305 ±.00010"9.0" 177-307 ±.00010"10.0" 177-309 ±.00012"11.0" 177-311 ±.00012"12.0" 177-313 ±.00012"