|环规|
特性:

用于校对内测、三点内径千分尺的零位。
公制
货号 规格 刻印尺寸的不确定度 圆柱度 实际尺寸与真值之间的误差 符合标准DIN2250(1)
货号
M170 5mm ±0.0015mm 0.0010mm ±0.01mm M174
M190 6mm ±0.0015mm 0.0010mm ±0.01mm M194
M220 8mm ±0.0015mm 0.0010mm ±0.01mm M224
M230 10mm ±0.0015mm 0.0010mm ±0.01mm M234
M250 12mm ±0.0015mm 0.0010mm ±0.01mm M254
M260 16mm ±0.0015mm 0.0010mm ±0.01mm M264
M270 20mm ±0.0015mm 0.0010mm ±0.01mm M274
M290 25mm ±0.0015mm 0.0010mm ±0.01mm M294
M300 30mm ±0.0015mm 0.0010mm ±0.01mm M304
M320 40mm ±0.0015mm 0.0010mm ±0.01mm M324
M340 50mm ±0.0015mm 0.0015mm ±0.02mm M344
M360 62mm ±0.0015mm 0.0015mm ±0.02mm M364
M370 70mm ±0.0015mm 0.0015mm ±0.02mm M374
M380 75mm ±0.0015mm 0.0015mm ±0.02mm M384
M400 87mm ±0.0015mm 0.0015mm ±0.02mm M404
M420 100mm ±0.0015mm 0.0020mm ±0.02mm M424
M440 150mm ±0.0025mm 0.0020mm ±0.02mm M444
M460 200mm ±0.0025mm 0.0020mm ±0.02mm M464
英制
货号 规格 刻印尺寸的不确定度 圆柱度 实际尺寸与真值之间的误差 符合标准DIN2250(1)
货号
M171 0.2" ±0.00006" 0.000040" ±0.0004" M175
M191 0.275" ±0.00006" 0.000040" ±0.0004" M195
M221 0.35" ±0.00006" 0.000040" ±0.0004" M225
M231 0.425" ±0.00006" 0.000040" ±0.0004" M235
M251 0.5" ±0.00006" 0.000040" ±0.0004" M255
M261 0.65" ±0.00006" 0.000040" ±0.0004" M265
M271 0.8" ±0.00006" 0.000040" ±0.0004" M275
M291 1" ±0.00006" 0.000040" ±0.0004" M295
M301 1.2" ±0.00006" 0.000040" ±0.0004" M305
M321 1.6" ±0.00006" 0.000040" ±0.0004" M325
M341 2" ±0.00006" 0.000060" ±0.0008" M345
M361 2.5" ±0.00006" 0.000060" ±0.0008" M365
M371 2.8" ±0.00006" 0.000060" ±0.0008" M375
M381 3" ±0.00006" 0.000060" ±0.0008" M385
M401 3.5" ±0.00006" 0.000060" ±0.0008" M405
M421 4" ±0.00006" 0.000080" ±0.0008" M425
M441 6" ±0.00010" 0.000080" ±0.0008" M445
M461 8" ±0.00010" 0.000080" ±0.0008" M465