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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/2/2025 to 7:00 (SGT) 10/2/2025. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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DAIICHISOKUHAN Plug Gauges / Screw Gauges

16 items

: 30; 45; 60

Days to Ship	All 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less

Limit Screw Plug Gauge for Old JIS Plug Test

DAIICHISOKUHAN

Plug gauge for inspections that supports previous JIS standards

[Features]
· Using a screw gauge to determine pass/fail of parallel screws, this limit type is the most general method.
· In order to judge the acceptability of product screws, inspection is conducted using the Go and No Go side gauges, demonstrating high precision.

Standard Price:	SGD 207.80-
Days to Ship:	3 Day(s) or more

Parallel Threading Ring Gauge For Piping (Go And No-Go Set)

DAIICHISOKUHAN

[Features]
· This gauge is used to inspect threading used in mechanical couplings which do not require a certain level of density.
· This set includes both a Go Ring (GR) and No-Go Ring (NR).

Standard Price:	SGD 700.29-
Days to Ship:	6 Day(s) or more

Tapered Thread Gauge (PT) For Piping, Plug Gauge

DAIICHISOKUHAN

Tapered thread gauge used for R (Rc, Rp) testing specified in JIS B0203, and single tapered pipe thread (PT) plug gauge for pipes.
When flange is within range of notch on gauge, it will pass.

Standard Price:	SGD 285.97-
Days to Ship:	4 Day(s) or more

Limit Screw Plug Gauge ISO Plug

DAIICHISOKUHAN

Plug gauge compatible with ISO standards

[Features]
· Using a screw gauge to determine pass/fail of parallel screws, this limit type is the most general method.
· In order to judge the acceptability of product screws, inspection is conducted using the Go and No Go side gauges, demonstrating high precision.

Standard Price:	SGD 207.83-
Days to Ship:	3 Day(s) or more

Limit Screw Plug Gauge for Making Old JIS Plug

DAIICHISOKUHAN

Plug gauge for machining that supports previous JIS standards

Standard Price:	SGD 207.80-
Days to Ship:	4 Day(s) or more

Tapered Thread Gauge (R) For Piping, Plug Gauge

DAIICHISOKUHAN

[Features]
· This gauge is used for inspecting bindings requiring a certain level of density, which are used for connection of pipes, fittings, etc.
· A passing result is obtained when the end face is within the notch marks given on the gauge.
· This tapered thread gauge is used for R (Rc, Rp) inspections as stipulated in JIS B 0203.
· Note that a PT model is also available and R is different than PT.

Standard Price:	SGD 370.35-
Days to Ship:	4 Day(s) or more

Limit Screw Ring Gauge ISO Ring

DAIICHISOKUHAN

Ring gauge compatible with ISO standards

Standard Price:	SGD 412.40-
Days to Ship:	4 Day(s) or more

Tapered Thread Gauge (PT) For Piping, Set

DAIICHISOKUHAN

Tapered thread gauge used for testing of R (Rc, Rp) specified in JIS B0203. set of tapered pipe thread (PT) ring and plug.
When flange is within range of notch on gauge, it will pass.

Standard Price:	SGD 773.73-
Days to Ship:	6 Day(s) or more

Limit Plug Gauge

DAIICHISOKUHAN

The limit gauge for holes is a gauge that has one measuring surface based on the minimum actual hole size and another measuring surface based on the maximum actual hole size.

Standard Price:	SGD 94.93-
Days to Ship:	6 Day(s) or more

Parallel Threaded Ring Gauge For Piping (Single Item)

DAIICHISOKUHAN

[Features]
· This gauge is used to inspect threading used in mechanical couplings which do not require a certain level of density.
· Go Ring (GR) and No-Go Ring (NR) are sold separately, so please select either GR or NR before making a purchase.

Standard Price:	SGD 362.64-
Days to Ship:	6 Day(s) or more

Parallel Threading Plug Gauge For Piping (Go Only)

DAIICHISOKUHAN

[Features]
· This gauge is used to inspect threading used in mechanical couplings which do not require a certain level of density.
· This is a plug gauge for one side of a Go Plug (GP).

Standard Price:	SGD 183.12-
Days to Ship:	6 Day(s) or more

Limit Screw Ring Gauge for Old JIS Ring Test

DAIICHISOKUHAN

Classic ring gauge for inspections that supports previous JIS standards

Standard Price:	SGD 412.40-
Days to Ship:	6 Day(s) or more

Tapered Pipe Thread Gauge

DAIICHISOKUHAN

A gauge used for inspection whose main purpose is connection where sealing is required, for the connection of pipes, pipe joints, etc. If the end face is within the range of the gauge notch length, it will pass.

A taper thread gauge used for inspection of R (Rc, Rp) stipulated in JIS B 0203. PT is also available but the gauge is different for R and PT.

Standard Price:	SGD 554.83-
Days to Ship:	6 Day(s) or more

Limit Screw Ring Gauge for Making Old JIS Ring

DAIICHISOKUHAN

Classic ring gauge for machining that supports previous JIS standards

Standard Price:	SGD 412.40-
Days to Ship:	6 Day(s) or more

Parallel Screw Gauge for Pipes

DAIICHISOKUHAN

A gauge used for inspecting screws whose main purpose is mechanical connection where sealing is not required.

Standard Price:	SGD 362.48-
Days to Ship:	6 Day(s) or more

Limit Plug Gauge For Old JIS Work

DAIICHISOKUHAN

[Features]
· This aperture limit gauge features a measurement surface based on minimum substantial aperture dimensions as well as a measurement surface based on maximum substantial aperture dimensions.
· This plug gauge is designed for work employing old JIS standards.

Standard Price:	SGD 94.88-
Days to Ship:	6 Day(s) or more


Brand
Product Series
Days to Ship
Product Type
Nominal
Pitch P
Workpiece
Class
Standard


Brand	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN	DAIICHISOKUHAN
Product Series	Limit Screw Plug Gauge for Old JIS Plug Test	Parallel Threading Ring Gauge For Piping (Go And No-Go Set)	Tapered Thread Gauge (PT) For Piping, Plug Gauge	Limit Screw Plug Gauge ISO Plug	Limit Screw Plug Gauge for Making Old JIS Plug	Tapered Thread Gauge (R) For Piping, Plug Gauge	Limit Screw Ring Gauge ISO Ring	Tapered Thread Gauge (PT) For Piping, Set	Limit Plug Gauge	Parallel Threaded Ring Gauge For Piping (Single Item)	Parallel Threading Plug Gauge For Piping (Go Only)	Limit Screw Ring Gauge for Old JIS Ring Test	Tapered Pipe Thread Gauge	Limit Screw Ring Gauge for Making Old JIS Ring	Parallel Screw Gauge for Pipes	Limit Plug Gauge For Old JIS Work
Days to Ship	3 Day(s) or more	6 Day(s) or more	4 Day(s) or more	3 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more	6 Day(s) or more
Product Type	Thread Plug Gauge	-	-	Thread Plug Gauge	Thread Plug Gauge	-	Thread ring gauge	Thread ring gauge / Thread Plug Gauge	-	-	-	Thread ring gauge	-	Thread ring gauge	-	-
Nominal	2 ～ 20	1/2 ～ 3/8	1 ～ 1/8	2 ～ 16	2 ～ 20	1/8 ～ 3/4	3 ～ 12	1 ～ 3/4	1 ～ 50	1/2 ～ 3/8	1/2 ～ 3/8	2 ～ 20	1/2 ～ 3/4	2 ～ 20	1/2 ～ 1/4	1 ～ 50
Pitch P	0.4 ～ 2.5	14 ～ 28	11 ～ 28	0.4 ～ 1.5	0.4 ～ 2.5	14 ～ 28	0.5 ～ 1.75	-	-	14 ～ 19	14 ～ 19	0.4 ～ 2.5	14 ～ 28	0.4 ～ 2.5	14 ～ 19	-
Workpiece	Female Thread	-	-	Female Thread	Female Thread	-	Male thread	Female Thread/Male Screw Set	-	-	-	Male thread	-	Male thread	-	-
Class	For JIS Grade 2 Screw	A ～ B	-	6H	For JIS Grade 2 Screw	-	6g	-	H7	A/B Common ～ B	-	For JIS Grade 2 Screw	-	For JIS Grade 2 Screw	-	H7
Standard	JIS Standard	-	-	Other	JIS Standard	-	Other	JIS Standard	-	-	-	JIS Standard	-	JIS Standard	-	-

Configure

Specification/Dimensions

Product Type
- Thread ring gauge
- Thread Plug Gauge
- Limit Plug Gauge
- Thread Pin Gauge
Clear

Nominal
NO0-80UNF

0.073-Inch models

0.086-Inch models

0.099-Inch models

NO.10

No.10-32UNF

No.10-24UNC

0.112-Inch models

0.1155

NO.12

No.12-28UNF

No.12-24UNC

0.125-Inch models

0.138-Inch models

0.164-Inch models

0.19-Inch models

0.216-Inch models

0.25-Inch models

0.3125-Inch models

0.375-Inch models

NO.4

No.4-40UNC

0.4375-Inch models

0.5-Inch models

NO.5

No.5-40UNC

0.5625-Inch models

NO.6

No.6-40UNF

No.6-32UNC

0.625-Inch models

0.6875-Inch models

NO.8

No.8-36UNF

No.8-32UNC

0.875-Inch models

1

1-Inch models

1

1 inch

M1

NO1-72UNF

NO1-64UNC

1-14UNS

1-12UNF

G1-11

PF1-11

PS1-11

PT1-11

R1-11

1-11-1/2NPT

1-11-1/2NPTF

1-8UNC

W1-8

W1-8-L

W1-7/8-4-1/2

1-5/8-8UN

W1-5/8-5

1-5/16-12UN

PF1-3/4-11

PS1-3/4-11

PT1-3/4-11

1-3/4-8UN

1-3/4-5UNC

W1-3/4-5

1-3/8-12UNF

1-3/8-8UN

1-3/8-6UNC

W1-3/8-6

1-3/16-12UN

1-1/2-12UNF

G1-1/2-11

PF1-1/2-11

PS1-1/2-11

PT1-1/2-11

R1-1/2-11

1-1/2-11-1/2NPT

1-1/2-11-1/2NPTF

1-1/2-8UN

1-1/2-6UNC

W1-1/2-6

1-1/4-12UNF

G1-1/4-11

PF1-1/4-11

PS1-1/4-11

PT1-1/4-11

R1-1/4-11

1-1/4-11-1/2NPT

1-1/4-11-1/2NPTF

1-1/4-8UN

1-1/4-7UNC

W1-1/4-7

1-1/8-12UNF

PF1-1/8-11

PS1-1/8-11

1-1/8-8UN

1-1/8-7UNC

W1-1/8-7

1-1/16-12UN

M1X0.2

M1X0.25

1 1/2

1 1/4

1 1/8

1/2

1/2-32UN

1/2-20UNF

1/2-14NPT

1/2-14NPTF

G1/2-14

PF1/2-14

PS1/2-14

PT1/2-14

R1/2-14

1/2-13UNC

W1/2-12

W1/2-12-L

1 3/4

1/4

SM1/4-40

1/4-32UNEF

1/4-28UNF

1/4-20UNC

W1/4-20

W1/4-20-L

G1/4-19

PF1/4-19

PS1/4-19

PT1/4-19

R1/4-19

1/4-18NPT

1/4-18NPTF

1/8

SM1/8-44

SM1/8-40

W1/8-40

G1/8-28

PF1/8-28

PS1/8-28

PT1/8-28

R1/8-28

1/8-27NPT

1/8-27NPTF

W1/16-60

PT1/16-28

R1/16-28

1/16-27NPT

1/16-27NPTF

M1.1X0.2

M1.1X0.25

1.125-Inch models

M1.2X0.2

M1.2X0.25

1.25-Inch models

1.375-Inch models

1.4

M1.4

M1.4X0.2

M1.4X0.3

M1.4X0.3-L

1.5-Inch models

1.5 inches

1.6

M1.6X0.2

M1.6X0.35

1.7

M1.7X0.2

M1.7X0.35

M1.7X0.35-L

1.75-Inch models

1.8

M1.8X0.2

M1.8X0.35

2

2

2 inches

M2

NO2-64UNF

NO2-56UNC

G2-11

PF2-11

PS2-11

PT2-11

R2-11

2-11-1/2NPT

2-11-1/2NPTF

2-8UN

2-4-1/2UNC

W2-4-1/2

PF2-1/2-11

PS2-1/2-11

PT2-1/2-11

2-1/2-8NPT

2-1/2-8UN

PF2-1/4-11

PS2-1/4-11

M2X0.25

M2X0.4

M2X0.4-L

2 1/2

2 1/4

2 3/4

2.2

M2.2X0.25

M2.2X0.45

2.3

M2.3

M2.3X0.25

M2.3X0.4

2.5

M2.5

M2.5X0.35

M2.5X0.45

M2.5X0.45-L

2.6

M2.6

M2.6X0.35

M2.6X0.45

M2.6X0.45-L

3

3

M3

φ3

NO3-56UNF

NO3-48UNC

PF3-11

PS3-11

PT3-11

3-8NPT

3-8UN

PF3-1/2-11

PT3-1/2-11

3-1/2-8NPT

3-1/2-8UN

M3X0.35

M3X0.5

M3X0.5-L

M3X0.6

M3X0.6-L

3 1/2

3/4

3/4-16UNF

3/4-14NPT

3/4-14NPTF

G3/4-14

PF3/4-14

PS3/4-14

PT3/4-14

R3/4-14

3/4-10UNC

W3/4-10

W3/4-10-L

3/8

3/8-32UNEF

3/8-24UNF

G3/8-19

PF3/8-19

PS3/8-19

PT3/8-19

R3/8-19

3/8-18NPT

3/8-18NPTF

3/8-16UNC

W3/8-16

W3/8-16-L

SM3/16-32

SM3/16-28

W3/16-24

SM3/32-56

3.5

M3.5

M3.5X0.35

M3.5X0.6

4

4

M4

φ4

NO4-48UNF

NO4-40UNC

PF4-11

PT4-11

4-8NPT

4-8UN

4-3/4-8UN

4-1/2-8UN

M4X0.5

M4X0.7

M4X0.7-L

M4X0.75

M4X0.75-L

4.5

M4.5X0.5

M4.5X0.75

5

5

M5

φ5

NO5-44UNF

NO5-40UNC

PT5-11

M5X0.5

M5X0.75

M5X0.8

M5X0.8-L

M5X0.9

M5X0.9-L

5/8

5/8-24UNEF

5/8-18UNF

G5/8-14

PF5/8-14

PS5/8-14

PT5/8-14

5/8-11UNC

W5/8-11

W5/8-11-L

5/16-32UNEF

5/16-24UNF

5/16-18UNC

W5/16-18

W5/16-18-L

5.5

M5.5X0.5

M5.5X0.75

M5.5X0.9

6

6

M6

φ6

NO6-40UNF

NO6-32UNC

M6X0.5

M6X0.75

M6X1

M6X1.0

M6X1-L

7

7

M7

φ7

M7X0.5

M7X0.75

M7X1

M7X1-L

7/8

7/8-14UNF

G7/8-14

PF7/8-14

PS7/8-14

PT7/8-14

7/8-9UNC

W7/8-9

W7/8-9-L

7/16-20UNF

7/16-14UNC

W7/16-14

8

8

M8

φ8

NO8-36UNF

NO8-32UNC

M8X0.5

M8X0.75

M8X1

M8X1.25

M8X1.25-L

9

9

φ9

M9X0.5

M9X0.75

M9X1

M9X1.25

M9X1.25-L

9/16-18UNF

9/16-12UNC

W9/16-12

SM9/64-40

10

M10

φ10

NO10-32UNF

NO10-24UNC

M10X0.5

M10X0.75

M10X1

M10X1.25

M10X1.25-L

M10X1.5

M10X1.5-L

11

φ11

M11X0.5

M11X0.75

M11X1

M11X1.25

M11X1.5

M11X1.5-L

SM11/64-40

12

M12

φ12

NO12-28UNF

NO12-24UNC

M12X0.5

M12X0.75

M12X1

M12X1.25

M12X1.25-L

M12X1.5

M12X1.5-L

M12X1.75

M12X1.75-L

13

φ13

M13X0.5

M13X0.75

M13X1

M13X1.25

M13X1.5

M13X1.75

14

M14

φ14

M14X0.5

M14X0.75

M14X1

M14X1.25

M14X1.25-L

M14X1.5

M14X1.5-L

M14X2

M14X2-L

15

φ15

M15X0.5

M15X0.75

M15X1

M15X1.5

M15X2

SM15/64-28

16

M16

φ16

M16X0.5

M16X0.75

M16X1

M16X1.25

M16X1.5

M16X1.5-L

M16X2

M16X2-L

17

φ17

M17X0.75

M17X1

M17X1.5

18

M18

φ18

M18X0.5

M18X0.75

M18X1

M18X1.5

M18X1.5-L

M18X2

M18X2.5

M18X2.5-L

19

φ19

M19X1

M19X1.5

M19X2.5

20

M20

φ20

M20X0.5

M20X1

M20X1.25

M20X1.5

M20X1.5-L

M20X2

M20X2.5

M20X2.5-L

21

φ21

22

M22

φ22

M22X0.5

M22X1

M22X1.5

M22X1.5-L

M22X2

M22X2.5

M22X2.5-L

23

φ23

24

M24

φ24

M24X0.5

M24X1

M24X1.5

M24X1.5-L

M24X2

M24X3

M24X3-L

25

φ25

M25X0.5

M25X1

M25X1.5

M25X2

26

φ26

M26X0.5

M26X1

M26X1.5

M26X1.5-L

M26X2

M26X3

27

M27

φ 27

M27X1

M27X1.5

M27X1.5-L

M27X2

M27X3

M27X3-L

28

φ28

M28X0.5

M28X1

M28X1.25

M28X1.5

M28X1.5-L

M28X2

M28X3

29

φ29

30

M30

φ30

M30X0.5

M30X1

M30X1.5

M30X1.5-L

M30X2

M30X3

M30X3.5

M30X3.5-L

31

φ 31

32

φ32

M32X0.5

M32X1

M32X1.5

M32X2

M32X3

33

M33

φ33

M33X1.5

M33X2

M33X3

M33X3.5

34

φ34

M34X0.5

M34X1

M34X1.5

M34X2

35

φ35

M35X1.5

M35X3

36

M36

φ 36

M36X0.5

M36X1

M36X1.5

M36X2

M36X3

M36X4

37

φ37

38

φ38

M38X0.5

M38X1

M38X1.5

M38X2

M38X3

39

M39

φ39

M39X1.5

M39X2

M39X3

M39X4

40

φ40

M40X1

M40X1.5

M40X2

M40X3

41

42

M42

M42X1

M42X1.5

M42X2

M42X3

M42X4

M42X4.5

43

44

45

M45X1

M45X1.5

M45X2

M45X3

M45X4

M45X4.5

46

M46X1.5

47

48

M48X1

M48X1.5

M48X2

M48X3

M48X4

M48X5

49

50

M50X1

M50X1.5

M50X2

M50X3

52

M52X1.5

M52X2

M52X3

M52X4

M52X5

M54X4

55

M55X1.5

M55X2

M55X3

M55X4

56

M56X1.5

M56X2

M56X3

M56X4

M56X5.5

58

M58X1.5

M58X2

M58X3

M58X4

60

M60X1.5

M60X2

M60X3

M60X4

M60X5.5

M62X1.5

M62X2

M62X3

M62X4

M64X1.5

M64X2

M64X3

M64X4

M64X6

M65X1.5

M65X2

M65X3

M65X4

M68X1.5

M68X2

M68X3

M68X4

M68X6

M70X1.5

M70X2

M70X3

M70X4

M70X6

M72X1.5

M72X2

M72X3

M72X4

M72X6

M75X1.5

M75X2

M75X3

M75X4

M76X1.5

M76X2

M76X3

M76X4

M76X6

M78X2

M80X1.5

M80X2

M80X3

M80X6

M82X2

M85X1.5

M85X2

M85X3

M85X4

M90X1.5

M90X2

M90X3

M90X4

M90X6

M95X1.5

M95X2

M95X3

M95X4

M95X6

M100X1.5

M100X2

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Pitch P
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Workpiece
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Class 2

Equivalent to Former JIS2 Grade

For JIS Grade 2 Screw

6H

6g

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H7

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B
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