Micrometers
Cylindrical Standards for Screw Thread Micrometers SERIES 167 • Used to set the zero point of screw thread micrometers.
Typical application
B
167-297 (60° screw)
Inch
Metric
Order No.
Order No.
Length (in)
Accuracy (in)
Length (mm)
Accuracy (µm)
Metric (unified) θ =60° 167-294
Metric (unified) θ =60° 167-261
1 2 3 4 5 6 1 2 3 4 5 6
±0.00015 ±0.0002 ±0.00025 ±0.0003 ±0.00035 ±0.0004 ±0.00015 ±0.0002 ±0.00025 ±0.0003 ±0.00035 ±0.0004
25 50 75
±4 ±5 ±6 ±7 ±8 ±9
167-295 167-296 167-297 167-298 167-299 167-284 167-285 167-286 167-287 167-288
167-262 167-263 167-264 167-265 167-266 167-267 167-268 167-269 167-270 167-271 167-273 167-274 167-275 167-276 167-277 167-278 167-279 167-280 167-281 167-282
100 125 150 175 200 225 250 275
Whitworth θ =55° 167-283
±10 ±11 ±12 ±13 ±14
Whitworth θ =55° 167-272
25 50 75
±4 ±5 ±6 ±7 ±8 ±9
100 125 150 175 200 225 250 275
±10 ±11 ±12 ±13 ±14
Setting Standards for V-anvil Micrometers SERIES 167 • Used for setting the zero point of V-anvil micrometers.
Typical application
167-339
Inch Order No. Diameter (in) Accuracy (in)
Metric Order No. Diameter (mm) Accuracy (µm)
Type
Type
167-337 167-338 167-339 167-340
167-327 167-328 167-329 167-330 167-331 167-332 167-333 167-334 167-335 167-336
0.2 0.4
5
10 25 40 55 70 85
±0.0001
Plug
±2
Plug
1
1.6
±0.00015
Ring
±3
Ring
100 115 130
±5
Need Calibration?
B-73
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