MITUTOYO SERIES 188 THREAD PITCH GAGES

Code:

▪Thread pitch is stamped on each gauge.
▪Metric, Unified, and Whitworth screw pitch gages.

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Mitutoyo Series 188 Thread Pitch Gages

Product Overview

The Mitutoyo Series 188 comprises Metric, Unified, and Whitworth screw pitch gages designed for accurate thread pitch measurement. Each gage leaf features clearly stamped thread pitch designations for rapid identification and inspection tasks.

Key Features & Capabilities

Thread pitch is stamped on each gage leaf for immediate identification.
Available in Metric, Unified, and Whitworth screw pitch configurations.
Locking clamp mechanism secures leaves during measurement and storage.
Comprehensive sets available combining Metric and Unified ranges (Model 188-151).

Technical Specifications

Metric Screw Pitch Gages

Code No.	Range (mm)	Integration Pitch Error	Composition of Leaves
188-130	0.35 - 6	±0.05 mm	22 leaves: 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6 mm and 60° angle gage
188-122	0.4 - 7	±0.05 mm	21 leaves: 0.4, 0.5, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7 mm
188-121	0.4 - 7	±0.05 mm	18 leaves: 0.4, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7 mm

Unified Screw Pitch Gages

Code No.	Range	Integration Pitch Error	Composition of Leaves
188-111	4 - 42 TPI	±0.002 in	30 leaves: 4, 4½, 5, 5½, 6, 7, 8, 9, 10, 11, 11½, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 TPI

Metric and Unified Screw Pitch Gage Set

Code No.	Range	Integration Pitch Error	Composition of Leaves
188-151	0.4 - 7 mm / 4 - 42 TPI	±0.05 mm / ±0.002 in	51 leaves: Set of 188-122 and 188-111

Whitworth Screw Pitch Gages

Code No.	Range	Integration Pitch Error	Composition of Leaves
188-101	4 - 42 TPI	±0.002 in	30 leaves: 4, 4½, 5, 5½, 6, 7, 8, 9, 10, 11, 11½, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 TPI
188-102	4 - 60 TPI	Not specified	28 leaves: 4, 4½, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 34, 36, 40, 48, 60 TPI