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Go & NoGo Thread Plug Gauge / Thread Plug Gage
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Thread_Plug_Gauge_Standard_Pitch_Diameter_Chart.pdf (452.07 KB)pitch_diameter_chart.pdf (452.07 KB)
Go & NoGO Thread Plug Gauge / Thread Plug Gage
Specification:
ISO standard : Basic Dimensions: ISO 724 -1993 (E), Gauging Practice: ISO 1502-1996 & ISO 965/1- 1998.
Indian standard : Basic Dimensions: IS 4218 (3)-1999, IS 4218 (4)-2001, Gauging Practice: IS 2334- 2001.
DIN standard : Basic Dimensions & Gauging Practice: DIN 13.
ANSI standard : Basic Dimensions: ANSI / ASME B 1.13 M , Gauging Practice: ANSI / ASME B 1.16 M – 1984.
BS standard : Basic Dimensions: B.S. 3643 Part I & II – 2007, Gauging Practice: B.S 919 Part III – 2007.
JIS standard : Basic Dimensions: JIS B0205 & JIS B 0209, Gauging Practice: JIS B 0251-1998. As well as old version of specification JIS B 0251-1975 & JIS B 0252-1996, used for Tolerance Classes I, II, & III & two grades – Machine work & Inspection.
For bolt threads there are four tolerance positions:
- h has a zero fundamental deviation
- e, f, and g negative fundamental deviations.
- Positive fundamental deviation indicates that the size for the thread element will be larger than the basic size.
- Negative fundamental deviation indicates that the size for the thread element will be smaller than the basic size.
Manufacturing Range:
Diameter 1.6mm to 400mm & Pitches covered are 0.35 mm to 12 mm.
Gauges Type:
ISO Metric Thread Gauges
MJ Thread Gauges
Unified Thread Gauges
UNJ Thread Gauges
Wire Threads Inserts /Heli – Thread Gauges
BSW/ BSF/ Whits Thread Gauges
Pipe / G Thread Gauges
BA Thread Gauges
BS Cycle Thread Gauges
BS Conduit Thread Gauges
Pg Thread Gauges
Trapezoidal Thread Gauges
Acme Thread Gauges
Stub Acme Thread Gauges
Buttress Thread Gauges
Saw Tooth / Metric Buttress Thread Gauges
NPT Thread Gauges
NPTF/PTF Thread Gauges
BSPTr Thread Gauges
Pipe / R Thread Gauges (ISO 7/2)
M/ KEG Taper Thread Gauges (DIN 158)
NGT Taper Thread Gauges
Specification:
ISO standard : Basic Dimensions: ISO 724 -1993 (E), Gauging Practice: ISO 1502-1996 & ISO 965/1- 1998.
Indian standard : Basic Dimensions: IS 4218 (3)-1999, IS 4218 (4)-2001, Gauging Practice: IS 2334- 2001.
DIN standard : Basic Dimensions & Gauging Practice: DIN 13.
ANSI standard : Basic Dimensions: ANSI / ASME B 1.13 M , Gauging Practice: ANSI / ASME B 1.16 M – 1984.
BS standard : Basic Dimensions: B.S. 3643 Part I & II – 2007, Gauging Practice: B.S 919 Part III – 2007.
JIS standard : Basic Dimensions: JIS B0205 & JIS B 0209, Gauging Practice: JIS B 0251-1998. As well as old version of specification JIS B 0251-1975 & JIS B 0252-1996, used for Tolerance Classes I, II, & III & two grades – Machine work & Inspection.
For bolt threads there are four tolerance positions:
- h has a zero fundamental deviation
- e, f, and g negative fundamental deviations.
- Positive fundamental deviation indicates that the size for the thread element will be larger than the basic size.
- Negative fundamental deviation indicates that the size for the thread element will be smaller than the basic size.
Manufacturing Range:
Diameter 1.6mm to 400mm & Pitches covered are 0.35 mm to 12 mm.
Gauges Type:
ISO Metric Thread Gauges
MJ Thread Gauges
Unified Thread Gauges
UNJ Thread Gauges
Wire Threads Inserts /Heli – Thread Gauges
BSW/ BSF/ Whits Thread Gauges
Pipe / G Thread Gauges
BA Thread Gauges
BS Cycle Thread Gauges
BS Conduit Thread Gauges
Pg Thread Gauges
Trapezoidal Thread Gauges
Acme Thread Gauges
Stub Acme Thread Gauges
Buttress Thread Gauges
Saw Tooth / Metric Buttress Thread Gauges
NPT Thread Gauges
NPTF/PTF Thread Gauges
BSPTr Thread Gauges
Pipe / R Thread Gauges (ISO 7/2)
M/ KEG Taper Thread Gauges (DIN 158)
NGT Taper Thread Gauges
| Gauge Type | Diameter Range | Pitches in mm | Tolerance Class |
| Thread Plug Gauges. | 1.6mm - 300 mm |
0.35 to 6mm Pitches above 6mm up to 8mm can be supplied based on customer request. |
6H or any other class as per customer requirement |
| Thread Ring Gauges. | 2mm - 260mm |
0.4 to 6mm Pitches above 6mm up to 8mm can be supplied based on customer request. |
6g or any other class as per customer requirement |
| Plain Plugs to check Minor Diameter of Internal Threads | 1.6mm - 300mm | ||
| Plain Rings to check Major Diameter of External Threads. | 1.5mm - 300mm | ||
| Check Plug Gauges | To check NEW Go & Nogo Thread Ring Gauges as per above sizes | ||
| Wear Check Plug Gauges | To check / calibrate USED Go & Nogo Thread Ring Gauges as per above sizes | ||
| Check Ring Gauges | To check NEW Go & Nogo Thread Plug Gauges as per above sizes | ||
| Wear Check Ring Gauges | To check / calibrate USED Go & Nogo Thread Plug Gauges as per above sizes | ||
Recommended Tolerance classes for Internal Threads (Plug Gauges)
|
Fine Medium Coarse |
Tolerance position 'G' | Tolerance position 'H' | ||||
| S | N | L | S | N | L | |
| - | - | - | 4H | 5H | 6H | |
| (5G) | 6G | (7G) | 5H | 6H | 7H | |
| - | (7G) | (8G) | - | 7H | 8H | |
*S - Short length of Thread engagement
N – Normal length of Thread engagement
L- Long length of Thread engagement
Recommended Tolerance classes for External Threads (Ring Gauges)
| Fine Medium Coarse | Tolerance position 'e' | Tolerance position 'f' | Tolerance position 'g' | Tolerance position 'h' | ||||||||
| S | N | L | S | N | L | S | N | L | S | N | L | |
| - | - | - | - | - | - | (4g) | (5g4g) | (3h4h) | 4h | (5h4h) | ||
| - | 6e | (7e6e) | - | 6f | - | (5g6g) | 6g | (7g6g) | (5h6h) | 6h | (7h6h) | |
| - | (8e) | (9e8e) | - | - | - | - | 8g | (9g8g) | - - | |||