MITUTOYO SERIES 111, 131 SPLINE MICROMETER

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▪The anvil and spindle are of small diameter for measuring splined shafts, slots, and keyways.
▪Measuring faces: Carbide.
▪Equipped with Ratchet Stop for constant measuring force.

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MITUTOYO SERIES 111, 131 SPLINE MICROMETER

Product Overview

The Mitutoyo Series 111 and 131 Spline Micrometers feature a small-diameter anvil and spindle designed specifically for measuring splined shafts, slots, and keyways. These instruments are equipped with a Ratchet Stop to ensure a constant measuring force during operation.

Key Features & Capabilities

Small-diameter anvil and spindle for measuring splined shafts, slots, and keyways
Measuring faces: Carbide tipped
Equipped with Ratchet Stop for constant measuring force
Standard accessories: Setting standard (1 pc., except for measuring range 0 to 25 mm / 0 to 1 in models), Spanner (301336, 1 pc.)

Technical Specifications

Metric (Analog & Mechanical Counter Models)

Code No.	Range (mm)	Graduation (mm)	Maximum Permissible Error $J_{MPE}$ (µm)	Flatness (µm)	Parallelism (µm)	Measuring Face
111-215	0 - 25	0.01	±3	0.3	2	Type B
111-115	0 - 25	0.01	±3	0.3	2	Type A
111-116	25 - 50	0.01	±3	0.3	2	Type A
111-117	50 - 75	0.01	±3	0.3	2	Type A
111-118	75 - 100	0.01	±4	0.3	3	Type A
111-119	100 - 125	0.01	±4	0.3	3	Type A
111-120	125 - 150	0.01	±4	0.3	3	Type A
111-121	150 - 175	0.01	±5	0.3	4	Type A
111-122	175 - 200	0.01	±5	0.3	4	Type A
111-123	200 - 225	0.01	±5	0.3	4	Type A
111-124	225 - 250	0.01	±6	0.3	5	Type A
111-125	250 - 275	0.01	±6	0.3	5	Type A
111-126	270 - 300	0.01	±6	0.3	5	Type A
131-115 (Mechanical counter)	0 - 25	0.01	±3	0.3	2	Type A

Inch (Analog Models)

Code No.	Range (in)	Graduation (in)	Maximum Permissible Error $J_{MPE}$ (in)	Flatness (in)	Parallelism (in)	Measuring Face
111-166	0 - 1	0.0001	±0.00015	0.000012	0.00008	Type A
131-166	0 - 1	0.0001	±0.000015	0.000012	0.00008	Type A

Dimensions (Models up to 300 mm Measuring Range)

Code No.	L (mm)	a (mm)	b (mm)	c (mm)
111-215	0	10	38	17.5
111-115	0	10	38	17.5
111-116	25	12	49	-
111-117	50	14	60	-
111-118	75	16.7	79	20.3
111-119	100	18.8	94	20.7
111-120	125	19.1	106	21.1
111-121	150	18.2	118	21.3
111-122	175	16.8	130	21.7
111-123	200	18	143	20.5
111-124	225	18	156	-
111-125	250	18	169	21.5
111-126	275	18	181	-