Product information

Threadmaster Screw Plug Gauges & Screw Ring Gauges

picture-threadmaster-plugring-gauge200x200

Free UKAS certificates for the following gauges
– All Screw Plug Gauges
– All Special Screw Ring Gauges
– All Plain Plug Gauges
– All Plain Ring Gauges
– All Taper Screw Plug Gauges
– All Taper Screw Ring Gauges

Other special requirement
– Non-Standard Gauges
– Hard Chrome Plating / Titanium Coating/Carbide Coating
– Handle with Additional Engraving

Download Catalogue

SPECIFICATION
METRIC Screw Plug and Ring Gauges ISO to B.S. 3643
Screw Plug Gauges Class 6H
Screw Rings and Calipers Class 6g
WHITWORTH Screw Plug and Ring and Caliper Gauges to B.S. 84
Screw Plug Gauges Medium
Screw Rings and Calipers 3/4” and Below GEN-MED U/P
Screw Rings and Calipers over 3/4” GEN/MED
‘G’ SERIES-(Formerly BSPF) Screw Plug, Ring and Caliper Gauges to B.S. 2779.
Screw Rings and Calipers Class ‘A’ or Class ‘B’
B.A. Screw Plug, Ring and Caliper Gauges to B.S. 93
Screw Plug Gauges Normal
Screw Rings and Calipers Normal U/P
U.N.E.F., U.N.F. AND U.N.C. Screw Plug, Ring and Caliper Gauges ISO to B.S. 1580, Federal H.28
Screw Plug Gauges Class 2B
Screw Rings and Calipers Class 2A
AMERICAN Screw Plug, Ring and Caliper Gauges to Federal H.28
Orders for these Threads must state clearly “American Standard” Or “H.28” and must specify the Class of Fit
Unless specifically requested NO GO Plug Gauge members will be manufactured to Hi- Addendum and Minus Tolerances
ALL GAUGES Manufactured to B.S. 919 Part 1, 2 and 3
Please state whether Part 2 gauges are required to general or reference limits when ordering.
SCREW PLUG GAUGES State whether Style A,D,E,F,G,H or Single-ended ‘GO’ Plugs are required
Style A - Double-Ended Setting Plug for Screw Caliper Gauges
Style D - Double Ended Effective ‘NO GO’ Screw Plug Gauge
Style E – Combination of both ‘GO’ and ‘NO GO’ Screw Plug Gauge
Style F - ‘GO’ Screw Plug Gauge and ‘NO GO’ Plain Core Plug
Style G - ‘GO’ Screw Plug and ‘GO’ Plain Core Plug Gauge
Style H -‘NO GO’ Screw Plug and ‘NO GO’ Plain Core Plug Gauge
PLAIN PLUG GAUGES Plain Double-Ended Plugs will be supplied to B.S. 969: 1982 unless otherwise requested.
If the gauge tolerance is not confirmed all Plain Single-Ended Gauges will have the following minimum manufacturing tolerance:
Up to and including 2.510” diameter 0.0001”
Over 2.510” diameter up to 4.010” diameter 0.0002