Micrometer accessories Archives

Designed to allow benchtop use of hand micrometers or other gages which have frames suitable for gripping by the clamp.

SPECIFICATIONS

Order No.	Micrometer ranges	Remarks
156-101-10	Up to 100mm (4″)*	Adjustable angle type
156-105-10	0-25mm (0-1″), 25-50mm (1″-2″)	Fixed angle type
156-102	125-300mm (5″-12″)	Vertical type
156-103	300-1000mm (12″-40″)	Vertical type

* Items that cannot be mounted on these stands
(Order No. 406-253-30, 323-253-30, 331-254-30, 342-254-30, 342-264-30, 369-253-30, 422-232-30, 422-233-30, etc.)

DIMENSIONS

Designed to inspect parallelism and flatness of measuring faces of micrometers. For details, refer to “Quick Guide to Precision Measuring Instruments”.
Each set consists of 4 sizes to aid in testing parallelism at various angular positions of the micrometer spindle.

SPECIFICATIONS

Metric

Order No.	Range of micrometer to be checked	Sizes of parallels included in set	Diameter	Flatness	Parallelism	Remarks
157-903	0 – 25mm	12.00, 12.12, 12.25, 12.37mm	030	0.1µm	0.2µm	For 25mm
157-904	25 – 50mm	25.00, 25.12, 25.25, 13.37mm	030	0.1µm	0.2µm	For 50mm

Inch

Order No.	Range of micrometer to be checked	Sizes of parallels included in set	Diameter	Flatness	Parallelism	Remarks
157-901	0 – 1″	.5000″,.5062″, .5125″, .5187″	030	0.1µm	0.2µm	For 25mm
157-902	1 – 2″	1.0000″, 1.0062″, 1.0125″, 1.0187″	030	0.1µm	0.2µm	For 50mm

SERIES 158 Optical Flats

Used for inspecting the flatness of very flat surfaces. For details, refer to “Quick Guide to Precision Measuring Instruments”.

SPECIFICATIONS

Metric

Order No.	Thickness	Diameter	Flatness grade
158-117	12mm	045	0.2µm
158-118	12mm	045	0.1µm
158-119	15mm	060	0.2µm
158-120	15mm	060	0.1µm

Inch

Order No.	Thickness	Diameter	Flatness grade
158-122	.5″	1.8″	.000004″
158-124	.6″	2.4″	.000004″

Used for accurately setting screw thread micrometers at the start or end of the measuring range.

Metric

Order No.	Length	Accuracy
Metric (unified) 8 = 60°
167-261	25mm	±4µm
167-262	50mm	±5µm
167-263	75mm	±6µm
167-264	100mm	±7µm
167-265	125mm	±8µm
167-266	150mm	±9µm
167-267	175mm	±10µm
167-268	200mm	±11µm
167-269	225mm	±12µm
167-270	250mm	±13µm
167-271	275mm	±14µm
Whitworth 8 = 55°
167-272	25mm	±4µm
167-273	50mm	±5µm
167-274	75mm	±6µm
167-275	100mm	±7µm
167-276	125mm	±8µm
167-277	150mm	±9µm
167-278	175mm	±10µm
167-279	200mm	±11µm
167-280	225mm	±12µm
167-281	250mm	±13µm
167-282	275mm	±14µm

Inch

Order No.	Length	Accuracy
Metric (unified) 8 = 60°
167-294	1″	±.00015″
167-295	2″	±.0002″
167-296	3″	±.00025″
167-297	4″	±.0003″
167-298	5″	±.00035″
167-299	6″	±.0004″
Whitworth 8 = 55° 167-283
Whitworth 8 = 55° 167-283	1″	±.00015″
167-284	2″	±.0002″
167-285	3″	±.00025″
167-286	4″	±.0003″
167-287	5″	±.00035″
167-288	6″	±.0004″

Used for adjusting the reference point of the outside micrometer.

SPECIFICATIONS and DIMENSIONS

Metric

Order No.	Length (L)	Tolerance		Diameter (D)
167-101	25mm	±1.5µm	18	6.35mm
167-102	50mm	±2.0µm	40
167-103	75mm	±2.5µm	40

Inch

Order No.	Length (L)	Tolerance		Diameter (D)
167-141	1″	±.00005″	18	.25″
167-142	2″	±.0001″	40
167-143	3″	±.0001″	40

Metric

Order No.	Length (L)	Tolerance	Diameter (D)
167-104	100mm	±3µm	7.9mm
167-105	125mm	±3.5µm
167-106	150mm	±4µm
167-107	175mm	±4.5µm

Inch

Order No.	Length (L)	Tolerance	Diameter (D)
167-144	4″	±.0001″	.31″
167-145	5″	±.00015″
167-146	6″
167-147	7″

Metric

Order No.	Length (L)	Tolerance		Diameter (D)
167-108	200mm	±5.0µm	47	9.4mm
167-109	225mm	±5.5µm	47
167-110	250mm	±6.0µm	52
167-111	275mm	±6.5µm	57
167-112	300mm	±7µm	64
167-113	325mm	±7.5µm	69
167-114	350mm	±8µm	74
167-115	375mm	±8.5µm	80
167-116	400mm	±9µm	85
167-117	425mm	±9.5µm	90
167-118	450mm	±10µm	95
167-119	475mm	±10.5µm	101

Inch

Order No.	Length (L)	Tolerance		Diameter (D)
167-148	8″	±.00015″	47	.37″
167-149	9″	±.0002″	47
167-150	10″	±.0002″	52
167-151	11″	±.0002″	57
167-152	12″	±.00025 “	64
167-153	13″	±.00025″	69
167-154	14″	±.00025″	74
167-155	15″	±.00025″	80
167-156	16″	±.00025″	85
167-157	17″	±.00025″	90
167-158	18″	±.00025″	95
167-159	19″	±.0003″	101

Metric

Order No.	Length (L)	Tolerance		Diameter (D)
167-120	500mm	±11µm	106	11.9mm
167-121	525mm	±11.5µm	112
167-122	550mm	±12.0µm	117
167-123	575mm	±12.5µm	122
167-124	600mm	±13µm	128
167-125	625mm	±13.5µm	133
167-126	650mm	±14µm	138
167-127	675mm	±14.5µm	142
167-128	700mm	±15µm	147
167-129	725mm	±15.5µm	153
167-130	750mm	±16µm	158
167-131	775mm	±16.5µm	164
167-132	800mm	±17µm	170
167-133	825mm	±17.5µm	175
167-134	850mm	±18µm	180
167-135	875mm	±18.5µm	185
167-136	900mm	±19µm	191
167-137	925mm	±19.5µm	196
167-138	950mm	±20µm	201
167-139	975mm	±20.5µm	207
167-140	1000mm	±21µm	211
167-365	1025mm	±21.5µm	217
167-366	1050mm	±22µm	222
167-367	1075mm	±22.5µm	227
167-368	1100mm	±23µm	232
167-369	1125mm	±23.5µm	238
167-370	1150mm	±24µm	243
167-371	1175mm	±24.5µm	248
167-372	1200mm	±25µm	254
167-373	1225mm	±25.5µm	259
167-374	1250mm	±26µm	264
167-375	1275mm	±26.5µm	269
167-376	1300mm	±27µm	275
167-377	1325mm	±27.5µm	280
167-378	1350mm	±28µm	285
167-379	1375mm	±28.5µm	291
167-380	1400mm	±29µm	296
167-381	1425mm	±29.5µm	301
167-382	1450mm	±30µm	306
167-383	1475mm	±30.5µm	312
167-384	1500mm	±31µm	317
167-385	1525mm	±31.5µm	322
167-386	1550mm	±32µm	328
167-387	1575mm	±32.5µm	333
167-388	1600mm	±33µm	338
167-389	1625mm	±33.5µm	343
167-390	1650mm	±34µm	349
167-391	1675mm	±34.5µm	354
167-392	1700mm	±35µm	359
167-393	1725mm	±35.5µm	364
167-394	1750mm	±36µm	370
167-395	1775mm	±36.5µm	375
167-396	1800mm	±37µm	380
167-397	1825mm	±37.5µm	386
167-398	1850mm	±38µm	391
167-399	1875mm	±38.5µm	396
167-400	1900mm	±39µm	401
167-401	1925mm	±39.5µm	407
167-402	1950mm	±40µm	412
167-403	1975mm	±40.5µm	417
167-404	2000mm	±41µm	423

Inch

Order No.	Length (L)	Tolerance		Diameter (D)
167-160	20″	±.0003″	106	.47″
167-161	21″	±.0003″	112
167-162	22″	±.0003″	117
167-163	23″	±.0003″	122
167-164	24″	±.0003″	128
167-165	25″	±.00035″	133
167-166	26″	±.00035″	138
167-167	27″	±.00035″	142
167-168	28″	±.00035″	147
167-169	29″	±.00035″	153
167-170	30″	±.00035″	158
167-171	31″	±.00035″	164
167-172	32″	±.00035″	170
167-173	33″	±.00035″	175
167-174	34″	±.00035″	180
167-175	35″	±.00035″	185
167-176	36″	±.00035″	191
167-177	37″	±.0004″	196
167-178	38″	±.0004″	201
167-179	39″	±.0004″	207
167-180	40″	±.0004″	211

Technical Data Flatness: 0.3µm Parallelism: 2µm

Micrometer Inspection Gauge Block Refer to page E-11 for details.

• Enables measurement of the pitch diameter of screw threads with a standard micrometer.
• Determination of the pitch diameter: refer to “Quick Guide to Precision Measuring Instruments”.

SPECIFICATIONS

3-Wire Units set

Order No.	Set	Wire dia. (mm)	Support spindle dia. (mm)
313-101	18	0.170 – 3.200	06.35

Order No.(One pair) (Support spindle dia.) 06.35mm (.25″DIA.)	Wire dia. (mm)	Pitch
	Wire dia. (mm)	Metric thread(mm)	Unified thread(thread per inch)	Whitworth thread(thread per inch)
952131	0.170	0.2, 0.25, 0.3	80	—
952132	0.195	0.35	72	—
952133	0.220	0.4	64	—
952134	0.250	0.45	56	60
952135	0.290	0.5	48	48
952136	0.335	0.6	44, 40	40
952137	0.390	0.7	36	36
952138	0.455	0.75, 0.8	32	32
952139	0.530	0.9	28	28, 26
952140	0.620	1.0	24	24, 22
952141	0.725	1.25	20	20, 19, 18
952142	0.895	1.5	18, 16	16
952143	1.100	1.75, 2.0	14, 13, 12	14, 12
952144	1.350	2.5	11, 10	11, 10
952145	1.650	3.0	9, 8	9, 8
952146	2.050	3.5	7	7
952147	2.550	4, 4.5	6	6
952148	3.200	5, 5.5, 6	5, 4.5	5, 4.5

Technical Data

Accuracy of wire diameter: ±2µm