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plug gauge(<1><2><3>)
plain"go"and"no go"plng gauges the british standard thread plug gauge
conform:gb 1957-81 DIn7162 conform:fed-std-h28/12
1.8 16 34 62 120
2.0 17 35 65 125
2.5 18 36 68 130
3.0 19 37 70 135
3.5 20 38 72 150
4.0 21 39 75 155
4.5 22 40 80 180
5.0 23 42 82 200
6.0 24 44 85 220
7.0 25 45 88 240
8.0 26 46 90 250
9.0 27 47 92 260
10.0 28 48 95 280
11.0 29 50 98 300
12.0 30 52 100  
13.0 31 55 106  
14.0 32 58 110  
15.0 33 60 115  

specifi

cation

 accuracy

specifi

cation

 accuracy

specifi

cation

 accuracy
1/18-40 2.3 2-4.5 2.3 11/8-9 2.3
3/16-24 2.3 ´´ 2.3 11/4-9 2.3
1/4-20 2.3 6 2.3 13/8-8 2.3
5/16-18 2.3 3/16-32 2.3 11/2-8 2.3
3/8-16 2.3 7/32-28 2.3 15/8-8 2.3
7/16-14 2.3 1/4-26 2.3 13/4-7 2.3
1/2-12 2.3 9/32-26 2.3 2-7 2.3
9/16-12 2.3 5/16-22 2.3 ´´ 2.3
5/8-11 2.3 3/8-20 2.3 6 2.3
11/16-11 2.3 7/16-18 2.3    
3/4-10 2.3 1/2-16 2.3    
7/8-9 2.3 9/16-14 2.3    
1-8 2.3 5/8-14 2.3    
11/8-7 2.3 11/16-14 2.3    
11/4-6 2.3 3/4-12 2.3    
11/2-6 2.3 7/8-11 2.3    
13/4-5 2.3 1-10 2.3    
stajght pipe theno plug gages fith ham thread Sealed
conform:gb/t 10922
gage code T.P.I pitch gage code T.P.I pitch
G1/16 28 0.907 G1 1/2 11 2.309
G1/8 28 0.907 G1 3/4 11 2.309
G1/4 19 1.337 G2 11 2.309
G3/8 19 1.337 G2 1/4 11 2.309
g1/2 14 1.814 G2 1/2 11 2.309
G5/8 14 1.814 G2 3/4 11 2.309
G3/4 14 1.814 G3 11 2.309
G7/8 11 1.814 G3 1/2 11 2.309
G1 11 2.309 G4 11 2.309
G1 1/8 11 2.309 ´´ 11 2.309
G1 1/4 11 2.309 G6 11 2.309
taper pipe thread plug gages
conform:fed-std-h28/7 npsm npsl npsh
gage code T.P.I pitch gage code T.P.I pitch
1/16-27 27 0.941 1-11.5 11.5 2.209
1/8-27 27 0.941 1 1/4-11.5 11.5 2.209
1/4-18 18 1.441 1 1/2-11.5 11.5 2.209
3/8-18 18 1.441 2-11.5 11.5 2.209
1/2-14 14 1.814 ´´ ´´ ´´
3/4-14 14 1.814 6 8 3.175
the metric thread plug gauge
conform:gb3934-83 din 13 iso 1502-96
nominal size

pitch

1

pitch

2

pitch

3

pitch

4

pitch

5

pitch

6

accu

racy

 nominal size

pitch

1

pitch

2

pitch

3

pitch

4

pitch

5

pitch

6

accu

racy
M1.0 0.25 0.20        

4h

4h5h

5g

5h

5h6h

6g

6h

7g

7h

 M33.0 3.50 3.0 2.0 1.5 1.0 0.75

4h

4h5h

5g

5h

5h6h

6g

6h

7g

7h
M1.1 0.25 0.20         M36.0 4.00 3.0 2.0 1.5 1.0  
M1.2 0.25 0.20         M39.0 4.00 3.0 2.0 1.5 1.0 1.00
M1.4 0.30 0.20         M42.0 4.50 4.0 3.0 2.0 1.5 1.00
M1.6 0.35 0.20         M45.0 4.50 4.0 3.0 2.0 1.5 1.00
M1.8 0.35 0.20         M48.0 5.00 4.0 3.0 2.0 1.5 1.00
M2.0 0.40 0.25         M52.0 5.00 4.0 3.0 2.0 1.5 1.00
M2.2 0.45 0.25         M56.0 5.50 4.0 3.0 2.0 1.5 1.00
M2.5 0.45 0.35         M60.0 5.50 4.0 3.0 2.0 1.5 1.00
M3.0 0.50 0.35         M64.0 6.00 4.0 3.0 2.0 1.5 1.00
M3.5 0.60 0.35         M68.0 6.00 4.0 3.0 2.0 1.5 1.00
M4.0 0.70 0.50         M72.0 6.00 4.0 3.0 2.0 1.5 1.00
M5.0 0.80 0.50         M76.0 6.00 4.0 3.0 2.0 1.5 1.00
M6.0 1.00 0.75 0.50       M80.0 6.00 4.0 3.0 2.0 1.5 1.00
M8.0 1.25 1.00 0.75 0.50     M85.0 6.00 4.0 3.0 2.0 1.5 1.00
M10.0 1.50 1.25 1.00 0.75 0.50   M90.0 6.00 4.0 3.0 2.0 1.5 1.00
M12.0 1.75 1.50 1.25 1.00 0.75 0.5 M95.0 6.00 4.0 3.0 2.0 1.5 1.00
M14.0 2.00 1.50 1.25 1.00 0.75 0.5 M100 6.00 4.0 3.0 2.0 1.5 1.00
M16.0 2.00 1.50 1.00 0.75 0.50   M105 6.00 4.0 3.0 2.0 1.5 1.00
M18.0 2.50 2.00 1.50 1.00 0.75 0.5 M110 6.00 4.0 3.0 2.0 1.5 1.00
M20.0 2.50 2.00 1.50 1.00 1.75 0.5 M115 6.00 4.0 3.0 2.0 1.5 1.00
M22.0 2.50 2.00 1.50 1.00 0.75 0.5 M120 6.00 4.0 3.0 2.0 1.5 1.00
M24.0 3.00 2.00 1.50 1.00 0.75 0.5 M125 6.00 4.0 3.0 2.0 1.5 1.00
M27.0 3.00 2.00 1.50 1.00 0.75   ´´ ´´ ´´ ´´ ´´ ´´ ´´
M30.0 3.50 3.00 2.00 1.50 1.00 0.75 M320            
the meric trapezoidal thread riug gauge
conform : gb /t 8124 7h、8h、9h
 
gage code pitch1 pitch2 pitch3 gage code pitch1 pitch2 pitch3 gage code pitch1 pitch2 pitch3 gage code pitch1 pitch2 pitch3
TR8 1.5     TR22 3.0 5 8 TR40 3.0 7 10 TR65 4.0 10  
TR9 1.5 2   TR24 3.0 5 8 TR42 3.0 7 10 TR70 4.0 10  
TR10 1.5 2   TR26 3.0 5 8 TR44 3.0 7   TR75 4.0 10  
TR11 2.0 3   TR28 3.0 5 8 TR46 3.0 8   TR80 4.0 10  
TR12 2.0 3   TR30 3.0 6 10 TR48 3.0 8   TR85 4.0    
TR14 2.0 3   TR32 3.0 6 10 TR50 3.0 8   TR90 4.0    
TR16 2.0 4   TR34 3.0 6 10 TR52 3.0 8   TR95 4.0    
TR18 2.0 4   TR36 3.0 6 10 TR55 3.0 9   TR100 4.0    
TR20 2.0 4   TR38 3.0 7 10 TR60 3.0 9   TR120 6    
the metric strengthen thread plug gauge
conform:hb4226-4227-89

specifi

cation

 coarse fine

accur

acy

specif

ication

 coarse fine

accur

acy
pitch1 pitch2 pitch3 pitch4 pitch5 pitch6 pitch1 pitch2 pitch3 pitch4 pitch5 pitch6
mj1.6 0.35 0.20           mj36.0 4.00 3.00 2.00 1.50      
mj1.8 0.35 0.20         mj39.0 4.00 3.00 2.00 1.50    
mj2.0 0.40 0.25         mj42.0 4.00 4.00 3.00 2.00 1.5  
mj2.2 0.45 0.25         mj45.0 4.00 4.00 3.00 2.00 1.5  
mj2.5 0.45 0.35         mj48.0 4.00 4.00 3.00 2.00 1.5  
mj3.0 0.50 0.35         mj52.0 4.00 4.00 3.00 2.00 1.5  
mj3.5 0.60 0.35         mj56.0 5.50 4.00 3.00 2.00 1.5  
mj4.0 0.70 0.50         mj60.0 5.50 4.00 3.00 2.00 1.5  
mj5.0 0.80 0.50         mj64.0 6.00 4.00 3.00 2.00 1.5  
mj6.0 1.00 0.75 0.50       mj68.0 6.00 4.00 3.00 2.00 1.5 1.5
mj8.0 1.25 1.00 1.00 1.25     mj72.0   6.00 4.00 2.00 2.0 1.5
mj10.0 1.50 1.25 1.00 0.75     mj76.0   6.00 4.00 2.00 2.0 1.5
mj12.0 1.75 1.50 1.25 1.00     mj80.0   6.00 4.00 2.00 2.0 1.5
mj14.0 2.00 1.50 1.25 1.00     mj85.0   6.00 4.00 2.00 2.0 1.5
mj16.0 2.25 2.00 1.00 0.75     mj90.0   6.00 4.00 2.00 2.0 1.5
mj18.0 2.50 2.00 1.50 1.00     mj95.0   6.00 4.00 2.00 2.0 1.5
mj20.0 2.50 2.00 1.50 1.00     mj100   6.00 4.00 3.00 2.0 1.5
mj22.0 2.50 2.00 1.50 1.00     mj105   6.00 4.00 3.00 2.0 1.5
mj24.0 3.00 2.00 1.50 1.00     mj110   6.00 4.00 3.00 2.0 1.5
mj27.0 3.00 2.00 1.50 1.00     mj115   6.00 4.00 3.00 2.0 1.5
mj30.0 3.50 3.00 2.00 1.50 1.00   ´´ ´´ ´´ ´´ ´´ ´´ ´´
mj33.0 3.50 3.00 2.00 1.50     mj320            
taper pipe thend plug gages(American standard) sealed dry type
conform: fed-std -h28/7
gage code thread/perinch pitch(mm) taper
1/16-27npt 27 0.941 1:16
1/8-27npt 27 0.941
1/4-18npt 18 1.411
3/8-18npt 18 1.411
1/2-14npt 14 1.814
3/4-14npt 14 1.814
1-11.5npt 11.5 2.209
1 1/4-11.5npt 11.5 2.209
1 1/2-11.5npt 11.5 2.209
2-18npt 11.5 2.209
2 1/2-8npt 8.0 3.175
3-8npt 8.0 3.175
´´ ´´ ´´
npt 8.0 3.175
gage code thread/perinch pitch(mm) taper
1/16-27npt 27 0.941 1:16
1/8-27npt 27 0.941
1/4-18npt 18 1.411
3/8-18npt 18 1.411
1/2-14npt 14 1.814
3/4-14npt 14 1.814
1-11.5npt 11.5 2.209
1 1/4-11.5npt 11.5 2.209
1 1/2-11.5npt 11.5 2.209
2-18npt 11.5 2.209
2 1/2-8npt 8.0 3.175
3-8npt 8.0 3.175
´´ ´´ ´´
npt 8.0 3.175
american standard thread plug gauge  
conform:fed-std-h28/12  
 
gage code

thread/

perinch

 gage code

thread/

perinch
1/4-16acme 16 1 1/8-5acme 5
5/16-14acme 14 1 1/4-5acme 5
3/8-12acme 12 1 3/8-4acme 4
7/16-12acme 12 1 1/2-4acme 4
1/2-10acme 10 1 3/4-4acme 4
5/8-8acme 8 2-4acme 4
3/4-6acme 6 ´´ 4
7/8-6acme 6 6 4
1-5acme 5    
 
the american standard thread plug gauge
conform:ansi b1.2-83
unc unf unef
nominal size thread/perinch accuracy nominal size thread/perinch accuracy nominal size thread/perinch accuracy
3 48 2a、3a 3 56 2a、3a 12 32 2a、3a
4 40 2a、3a 4 48 2a、3a 1/4 32 2a、3a
5 40 2a、3a 5 44 2a、3a 5/16 32 2a、3a
6 32 2a、3a 6 40 2a、3a 3/8 32 2a、3a
8 32 2a、3a 8 36 2a、3a 7/16 28 2a、3a
10 24 2a、3a 10 32 2a、3a 1/2 28 2a、3a
12 24 2a、3a 12 28 2a、3a 9/16 24 2a、3a
1/4 20 2a、3a 1/4 24 2a、3a 5/8 24 2a、3a
5/16 18 2a、3a 5/16 24 2a、3a 11/16 24 2a、3a
3/8 16 2a、3a 3/8 20 2a、3a 3/4 20 2a、3a
7/16 14 2a、3a 7/16 20 2a、3a 7/8 20 2a、3a
1/2 13 2a、3a 1/2 18 2a、3a 13/16 20 2a、3a
9/16 12 2a、3a 9/16 18 2a、3a 15/16 20 2a、3a
5/8 11 2a、3a 5/8 16 2a、3a 1 20 2a、3a
3/4 10 2a、3a 3/4 14 2a、3a 1 1/16 18 2a、3a
7/8 9 2a、3a 7/8 12 2a、3a 1 1/8 18 2a、3a
1 8 2a、3a 1 12 2a、3a 1 3/16 18 2a、3a
1 1/8 7 2a、3a 1 1/8 12 2a、3a 1 1/4 18 2a、3a
1 1/4 7 2a、3a 1 1/4 12 2a、3a 1 5/16 18 2a、3a
1 3/8 6 2a、3a 1 3/8 12 2a、3a 1 3/8 18 2a、3a
1 1/2 6 2a、3a 1 1/2 12 2a、3a 1 7/16 18 2a、3a
1 3/4 5 2a、3a 1 3/4 12 2a、3a 1 1/2 18 2a、3a
2 4.5 2a、3a 2 12 2a、3a 1 9/16 18 2a、3a
´´     ´´     ´´    
6     6     6    
nominal size

thread/

perinch

accu

racy

 nominal size

thread/

perinch

accu

racy

 nominal size

thread

/perinch

accu

racy

 nominal size

thread

/perinch

accu

racy
5/16 20 2a、3a 7/8 32 2a、3a 1 5/16 20 2a、3a 1 11/16 12 2a、3a
5/16 28 2a、3a 15/16 12 2a、3a 1 5/16 28 2a、3a 1 11/16 16 2a、3a
3/8 20 2a、3a 15/16 16 2a、3a 1 3/8 8 2a、3a 1 11/16 20 2a、3a
3/8 28 2a、3a 15/16 28 2a、3a 1 3/8 16 2a、3a 1 3/4 6 2a、3a
7/16 32 2a、3a 15/16 32 2a、3a 1 3/8 20 2a、3a 1 3/4 8 2a、3a
1/2 16 2a、3a 1 16 2a、3a 1 3/8 28 2a、3a 1 3/4 12 2a、3a
9/16 16 2a、3a 1 28 2a、3a 1 7/16 6 2a、3a 1 3/4 16 2a、3a
9/16 20 2a、3a 1 1/16 8 2a、3a 1 7/16 8 2a、3a 1 3/4 20 2a、3a
9/16 32 2a、3a 1 1/16 12 2a、3a 1 7/16 12 2a、3a 1 13/16 6 2a、3a
5/8 12 2a、3a 1 1/16 16 2a、3a 1 7/16 16 2a、3a 1 13/16 8 2a、3a
5/8 16 2a、3a 1 1/16 20 2a、3a 1 7/16 20 2a、3a 1 13/16 12 2a、3a
5/8 20 2a、3a 1 1/16 28 2a、3a 1 7/16 28 2a、3a 1 13/16 16 2a、3a
5/8 28 2a、3a 1 1/8 8 2a、3a 1 1/2 8 2a、3a 1 13/16 20 2a、3a
11/16 12 2a、3a 1 1/8 16 2a、3a 1 1/2 16 2a、3a 1 7/8 6 2a、3a
11/16 16 2a、3a 1 1/8 20 2a、3a 1 1/2 20 2a、3a 1 7/8 8 2a、3a
11/16 20 2a、3a 1 1/8 28 2a、3a 1 1/2 28 2a、3a 1 7/8 12 2a、3a
11/16 28 2a、3a 1 3/16 8 2a、3a 1 9/16 6 2a、3a 1 7/8 16 2a、3a
3/4 12 2a、3a 1 3/16 12 2a、3a 1 9/16 8 2a、3a 1 7/8 20 2a、3a
3/4 28 2a、3a 1 3/16 16 2a、3a 1 9/16 12 2a、3a 1 15/16 6 2a、3a
3/4 32 2a、3a 1 3/16 20 2a、3a 1 9/16 16 2a、3a 1 15/16 8 2a、3a
13/16 12 2a、3a 1 3/16 28 2a、3a 1 9/16 20 2a、3a 1 15/16 12 2a、3a
13/16 16 2a、3a 1 1/4 8 2a、3a 1 5/8 6 2a、3a 1 15/16 16 2a、3a
13/16 28 2a、3a 1 1/4 16 2a、3a 1 5/8 8 2a、3a 1 15/16 20 2a、3a
13/16 32 2a、3a 1 1/4 20 2a、3a 1 5/8 12 2a、3a 2 6 2a、3a
7/8 12 2a、3a 1 1/4 28 2a、3a 1 5/8 16 2a、3a 2 8 2a、3a
7/8 16 2a、3a 1 5/16 8 2a、3a 1 5/8 20 2a、3a ´´    
7/8 28 2a、3a 1 5/16 16 2a、3a 1 11/16 6 2a、3a 6 ´´ ´´
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