| 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 |
