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M18 x 2.5mm [6H] Metric Coarse Pitch - Left Hand Go/No-Go Plug Thread Gauge (JBO Johs Boss) - UKAS Calibrated
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M18 x 2.5mm [6H] Metric Coarse Pitch - Left Hand Go/No-Go Plug Thread Gauge (JBO Johs Boss) - UKAS Calibrated

JBO-PG-511823-CAL

Key Features

  • Thread Type: Metric Coarse - Left Hand
  • Thread Size: M18
  • Pitch: 2.5mm
  • Tolerance: 6H
  • Gauge Type: Go/No-Go
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M18 x 2.5mm [6H] Metric Coarse Pitch - Left Hand Go/No-Go Plug Thread Gauge (JBO Johs Boss) - UKAS Calibrated Technical Specification

Brand/SeriesJBO Johs Boss
Certification ProvidedUKAS Calibration Certificate
Gauge TypeGo/No-Go
Manufacturing StandardISO 1502
MaterialHeat-Treated Steel
Pitch2.5mm
Suitable for UKAS CalibrationYes - Provided
Thread SizeM18
Thread TypeMetric Coarse - Left Hand
Tolerance6H

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
ISO9001
ISO9001
Quality Approved

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M18 x 2.5mm [6H] Metric Coarse Pitch - Left Hand Go/No-Go Plug Thread Gauge (JBO Johs Boss) - UKAS Calibrated Description

The M18 x 2.5mm [6H] Metric Coarse Pitch - Left Hand Go/No-Go Plug Thread Gauge (JBO Johs Boss) - UKAS Calibrated has the following features:

  • ISO 1502 Manufacturing Standard
  • Heat-Treated Steel Material
  • 2.5mm Pitch
  • M18 Thread Size
  • 6H Tolerance
  • Metric Coarse - Left Hand Thread Type
  • Go/No-Go Gauge Type
  • JBO Johs Boss Brand/Series
  • Yes - Provided Suitable for UKAS Calibration
  • UKAS Calibration Certificate Certification Provided

Discover more about the Plug Thread Gauges range

Plug Thread Gauges are designed for the measurement of female threads such as those found in pre-tapped holes. Products within this range are available in both Go and No-Go varieties. Other thread gauges in Accu's metrology range includes Ring Gauges for measuring, checking and verifying female threads, as mentioned in our article What Is Metrology? 

Metric Thread Gauges

Metric Thread Gauges are available to suit a full range of thread sizes from M1 up to M150 in both metric coarse pitch and metric fine pitch. Both left-hand and right-hand gauges are also available. For more information on ISO metric threads, please see our ISO machine screw thread lookup table.

Imperial Thread Gauges

Imperial Thread Gauges are manufactured to suit UNC and UNF threads from No.1 up to 2 3/4 inches, with both left-hand and right-hand threads available. 

Bespoke Thread Gauge

Additional Thread Gauges are available or use with less common thread types such as British BSW and BSF threads, NPT and NPTF pipe threads, and German PG threads. Threa Gauges are even available for the measurement of Trapezoidal Lead Screw threads.


Shipping Information

Shipping Destinations:Worldwide.
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Weight: Not defined.

Component History

Product First Available:Thursday, April 16, 2020
Stock Last Updated:11:35 am
Friday, June 25, 2021
Specification Last Updated:Monday, April 26, 2021

APC / Barcodes

APC (Accu Product Code):JBO-PG-511823-CAL
EAN13 (International Article No.):5057195853107
ASIN (Amazon Stock Identification No.):ASIN not defined.