Standard Gauges

Gauge Blocks Sets

Features :

  • Compliance with standard DIN EN ISO 3650.
  • Individual serial number on each block.
  • Mirror polished surfaces provide superior characteristics.
  • Steel, Carbide and Ceramic materials are optional.
  • Provided with inspection report.
Metric

Pieces per Set Blocks Included in Set Grade Item Code (Steel) Item Code (Carbide) Item Code (Ceramic)
8 8 Blocks: 25-200mm, 25mm step 0 80008-100 - -
1 80008-101 - -
2 80008-102 - -
8 3 Blocks: 125-175mm, 25mm step
2 Blocks: 200-250mm, 50mm step
3 Blocks: 300-500mm, 100mm step		 0 80008-200 - -
1 80008-201 - -
2 80008-202 - -
32 1 Bock: 1.005mm
9 Blocks: 1.01-1.09mm, 0.01mm step
9 Blocks: 1.1-1.9mm, 0.1mm step
9 Blocks: 1-9mm, 1mm step
4 Blocks: 10mm, 20mm, 30mm, 50mm		 0 80032-100 80032-100H 80032-100C
1 80032-101 80032-101H 80032-101C
2 80032-102 80032-102H 80032-102C
38 1 Bock: 1.005mm
9 Blocks: 1.01-1.09mm, 0.01mm step
9 Blocks: 1.1-1.9mm, 0.1mm step
9 Blocks: 1-9mm, 1mm step
10 Blocks: 10-100mm, 10mm step		 0 80038-100 80038-100H 80038-100C
1 80038-101 80038-101H 80038-101C
2 80038-102 80038-102H 80038-102C
46 9 Blocks: 1.001-1.009mm, 0.001mm step
9 Blocks: 1.01-1.09mm, 0.01mm step
9 Blocks: 1.1-1.9mm, 0.1mm step
9 Blocks: 1-9mm, 1mm step
10 Blocks: 10-100mm, 10mm step		 0 80046-100 80046-100H 80046-100C
1 80046-101 80046-101H 80046-101C
2 80046-102 80046-102H 80046-102C
47 1 Bock: 1.005mm
20 Blocks: 1.01-1.20mm, 0.01mm step
7 Blocks: 1.3-1.9mm, 0.1mm step
9 Blocks: 1-9mm, 1mm step
10 Blocks: 10-100mm, 10mm step		 0 80047-100 80047-100H 80047-100C
1 80047-101 80047-101H 80047-101C
2 80047-102 80047-102H 80047-102C
83 1 Block: 0.5mm
1 Block: 1mm
1 Block: 1.005mm
49 Blocks: 1.01-1.49mm, 0.01mm step
5 Blocks: 1.5-1.9mm, 0.1mm step
16 Blocks: 2.0-9.5mm, 0.5mm step
10 Blocks: 10-100mm, 10mm step		 0 80083-100 80083-100H 80083-100C
1 80083-101 80083-101H 80083-101C
2 80083-102 80083-102H 80083-102C
87 9 Blocks: 1.001-1.009mm, 0.001mm step
49 Blocks: 1.01-1.49mm, 0.01mm step
19 Blocks: 0.5-9.5mm, 0.5mm step
10 Blocks: 10-100mm, 10mm step		 0 80087-100 80087-100H 80087-100C
1 80087-101 80087-101H 80087-101C
2 80087-102 80087-102H 80087-102C
103 1 Block: 1.005mm
49 Blocks: 1.01-1.49mm, 0.01mm step
49 Blocks: 0.5-24.5mm, 0.5mm step
4 Blocks: 25-100mm, 25mm step		 0 80103-100 80103-100H 80103-100C
1 80103-101 80103-101H 80103-101C
2 80103-102 80103-102H 80103-102C
112 1 Block: 1.0005mm
9 Blocks: 1.001-1.009mm, 0.001mm step
49 Blocks: 1.01-1.49mm, 0.01mm step
49 Blocks: 0.5-24.5mm, 0.5mm step
4 Blocks: 25-100mm, 25mm step		 0 80112-100 80112-100H 80112-100C
1 80112-101 80112-101H 80112-101C
2 80112-102 80112-102H 80112-102C
122 1 Block: 1.0005mm
9 Blocks: 1.001-1.009mm, 0.001mm step
49 Blocks: 1.01-1.49mm, 0.01mm step
4 Blocks: 1.6-1.9mm, 0.1mm step
4 Blocks: 1.6-1.9mm, 0.1mm step
50 Blocks: 0.5-25mm, 0.5mm step
8 Blocks: 30-100mm, 10mm step
1 Blocks: 75mm		 0 80122-100 80122-100H 80122-100C
1 80122-101 80122-101H 80122-101C
2 80122-102 80122-102H 80122-102C

Inch

Pieces per Set Blocks Included in Set Grade Item Code (Steel)
36 1 Block: 0.050"
9 Blocks: 0.1001" -0.1009", 0.0001" step
9 Blocks: 0.101" -0.109", 0.001 step
9 Blocks: 0.110" - 0.190", 0.010 step
9 Blocks: 0.110" - 0.190", 0.010 step
3 Blocks: 1", 2", 4"		 0 80036-ASO
AS-1 80036-AS1
AS-2 80036-AS2
81 9 Blocks: 0.1001" -0.1009", 0.0001" step
49 Blocks: 0.101" -0.149", 0.001 step
19 Blocks: 0.050" -0.950", 0.050 step
4 Blocks: 1.000" - 4.000", 1.000 step		 0 80081-ASO
AS-1 80081-AS1
AS-2 80081-AS2


Gauge Blocks (Individual)

Features :

  • Compliance with standard DIN EN ISO 3650.
  • Individual serial number on each block.
  • Mirror polished surfaces.
  • Steel, Carbide and Ceramic materials are optional.
  • Provided with inspection report.
Grade 0

Size Item Code
Steel Carbide Carbide
0.5mm 81000-500 81000-500H 81000-500C
1.0mm 81001-000 81001-000H 81001-000C
1.005mm 82001-500 82001-500H 82001-500C
1.01mm 81001-010 81001-010H 81001-010C
1.02mm 81001-020 81001-020H 81001-020C
1.03mm 81001-030 81001-030H 81001-030C
- 1.01mm step -
1.49mm 81001-490 81001-490H 81001-490C
1.50mm 81001-500 81001-500H 81001-500C
1.60mm 81001-600 81001-600H 81001-600C
- 1.01mm step -
1.90mm 81001-900 81001-900H 81001-900C
2.00mm 81002-000 81002-000H 81002-000C
2.50mm 81002-500 81002-500H 81002-500C
3.00mm 81003-000 81003-000H 81003-000C
- 0.5mm step -
24.50mm 81024-500 81024-500H 81024-500C
25.00mm 81025-000 81025-000H 81025-000C
30.00mm 81030-000 81030-000H 81030-000C
40.00mm 81040-000 81040-000H 81040-000C
50.00mm 81050-000 81050-000H 81050-000C
- 10mm step -
100.00mm 81100-000 81100-000H 81100-000C
Grade 1

Size Item Code
Steel Carbide Carbide
0.5mm 81000-501 81000-501H 81000-501C
1.0mm 81001-001 81001-001H 81001-001C
1.005mm 82001-501 82001-501H 82001-501C
1.01mm 81001-011 81001-011H 81001-011C
1.02mm 81001-021 81001-021H 81001-021C
1.03mm 81001-031 81001-031H 81001-031C
- 1.01mm step -
1.49mm 81001-491 81001-491H 81001-491C
1.50mm 81001-501 81001-501H 81001-501C
1.60mm 81001-601 81001-601H 81001-601C
- 1.01mm step -
1.90mm 81001-901 81001-901H 81001-901C
2.00mm 81002-001 81002-001H 81002-001C
2.50mm 81002-501 81002-501H 81002-501
3.00mm 81003-001 81003-001H 81003-001C
- 0.5mm step -
24.50mm 81024-501 81024-501H 81024-501C
25.00mm 81025-001 81025-001H 81025-001C
30.00mm 81030-001 81030-001H 81030-001C
40.00mm 81040-001 81040-001H 81040-001C
50.00mm 81050-001 81050-001H 81050-001C
- 10mm step -
100.00mm 81100-001 81100-001H 81100-001C


Pin Gauge Sets

Features :

  • Mirror polished surface.
  • Accuracy: ±0.001mm.
  • Hardened (62+2 HRC).
  • Wooden box package.
  • Steel and Ceramic materials are optional.
  • 70mm length is optional for steel pin gauges only.
  • Compliance with standard DIN 2269.
51 PCS Set

PCS Per Set Range Item Code (L=50mm) (Accuracy ±1μm) Item Code (L=70mm) (Accuracy ±1μm)
51 0.50-1.00 mm, 0.01mm step 30-0051-51 37-0051-51
51 1.00-1.50 mm, 0.01mm step 30-0102-51 37-0102-51
51 1.50-2.00 mm, 0.01mm step 30-0102-61 37-0102-61
51 2.00-2.50 mm, 0.01mm step 30-0203-51 37-0203-51
51 2.50-3.00 mm, 0.01mm step 30-0203-61 37-0203-61
51 3.00-3.50 mm, 0.01mm step 30-0304-51 37-0304-51
51 3.50-4.00 mm, 0.01mm step 30-0304-61 37-0304-61
51 4.00-4.50 mm, 0.01mm step 30-0405-51 37-0405-51
51 4.50-5.00 mm, 0.01mm step 30-0405-61 37-0405-61
51 5.00-5.50 mm, 0.01mm step 30-0506-51 37-0506-51
51 5.50-6.00 mm, 0.01mm step 30-0506-61 37-0506-61
51 6.00-6.50 mm, 0.01mm step 30-0607-51 37-0607-51
51 6.50-7.00 mm, 0.01mm step 30-0607-61 37-0607-61
51 7.00-7.50 mm, 0.01mm step 30-0708-51 37-0708-51
51 7.50-8.00 mm, 0.01mm step 30-0708-61 37-0708-61
51 8.00-8.50 mm, 0.01mm step 30-0809-51 37-0809-51
51 8.50-9.00 mm, 0.01mm step 30-0809-61 37-0809-61
51 9.00-9.50 mm, 0.01mm step 30-0910-51 37-0910-51
51 9.50-10.00 mm, 0.01mm step 30-0910-61 37-0910-61
51 10.00-10.50 mm, 0.01mm step 30-1011-51 37-1011-51
51 10.50-11.00 mm, 0.01mm step 30-1011-61 37-1011-61
51 11.00-11.50 mm, 0.01mm step 30-1112-51 37-1112-51
51 11.50-12.00 mm, 0.01mm step 30-1112-61 37-1112-61
51 12.00-12.50 mm, 0.01mm step 30-1213-51 37-1213-51
51 12.50-13.00 mm, 0.01mm step 30-1213-61 37-1213-61
51 13.00-13.50 mm, 0.01mm step 30-1314-51 37-1314-51
51 13.50-14.00 mm, 0.01mm step 30-1314-61 37-1314-61
51 14.00-14.50 mm, 0.01mm step 30-1415-51 37-1415-51
51 14.50-15.00 mm, 0.01mm step 30-1415-61 37-1415-61
51 15.00-15.50 mm, 0.01mm step 30-1516-51 37-1516-51
51 15.50-16.00 mm, 0.01mm step 30-1516-61 37-1516-61
51 16.00-16.50 mm, 0.01mm step 30-1617-51 37-1617-51
51 16.50-17.00 mm, 0.01mm step 30-1617-61 37-1617-61
51 17.00-17.50 mm, 0.01mm step 30-1718-51 37-1718-51
51 17.50-18.00 mm, 0.01mm step 30-1718-61 30-1718-61
51 18.00-18.50 mm, 0.01mm step 30-1819-51 37-1819-51
51 18.50-19.00 mm, 0.01mm step 30-1819-61 37-1819-61
51 19.00-19.50 mm, 0.01mm step 30-1920-51 37-1920-51
51 19.50-20.00 mm, 0.01mm step 30-1920-61 37-1920-61

101 PCS Set

PCS Per Set Range Item Code (L=50mm) (Accuracy ±1μm) Item Code (L=70mm) (Accuracy ±1μm)
101 1.00-2.00 mm, 0.01mm step 30-0102-01 37-0102-01
101 2.00-3.00 mm, 0.01mm step 30-0203-01 37-0203-01
101 3.00-4.00 mm, 0.01mm step 30-0304-01 37-0304-01
101 4.00-5.00 mm, 0.01mm step 30-0405-01 37-0405-01
101 5.00-6.00 mm, 0.01mm step 30-0506-01 37-0506-01
101 6.00-7.00 mm, 0.01mm step 30-0607-01 37-0607-01
101 7.00-8.00 mm, 0.01mm step 30-0708-01 37-0708-01
101 8.00-9.00 mm, 0.01mm step 30-0809-01 37-0809-01
101 9.00-10.00 mm, 0.01mm step 30-0910-01 37-0910-01
101 10.00-11.00 mm, 0.01mm step 30-1011-01 37-1011-01
101 11.00-12.00 mm, 0.01mm step 30-1112-01 37-1112-01
101 12.00-13.00 mm, 0.01mm step 30-1213-01 37-1213-01
101 13.00-14.00 mm, 0.01mm step 30-1314-01 37-1314-01
101 14.00-15.00 mm, 0.01mm step 30-1415-01 37-1415-01
101 15.00-16.00 mm, 0.01mm step 30-1516-01 37-1516-01
101 16.00-17.00 mm, 0.01mm step 30-1617-01 37-1617-01
101 17.00-18.00 mm, 0.01mm step 30-1718-01 37-1718-01
101 18.00-19.00 mm, 0.01mm step 30-1819-01 37-1819-01
101 19.00-20.00 mm, 0.01mm step 30-1920-01 37-1920-01


Pin Gauges (Individual)

Features :

  • Mirror polished surfaces provide superior characteristics.
  • Accuracy: ±0.001mm.
  • Hardened (62+2 HRC).
  • 50mm and 70mm length are optional.
  • Inch individual pin gauges are available (50mm length only).
  • Ceramic material pin gauges are available.
  • Compliance with standard DIN 2269.
  • Customized diameter sizes are available.

Material: Steel

Size Length
Metric 50mm 70mm
0.500mm 30-00500 37-00500
0.501mm 30-00501 37-00501
0.502mm 30-00502 37-00502
0.503mm 30-00503 37-00503
- 1.001mm step
19.998mm 30-19998 37-19998
19.999mm 30-19999 37-19999
20.000mm 30-20000 37-20000

Material: Inch

Size Length
Inch 50mm
0.010" 35-0010
0.011" 35-0011
0.012" 35-0012
0.013" 35-0013
- 0.001" step
0.997" 35-0997
0.998" 35-0998
0.999" 35-0999
1.000" 35-1000

Material: Ceramic

Size Length
Metric 50mm
0.50mm 30-0050C
0.51mm 30-0051C
0.52mm 30-0052C
0.53mm 30-0053C
- 0.01mm step
19.98mm 30-1998C
19.99mm 30-1999C
20.00mm 30-2000C
- -


Plain Plug and Ring Gauges

Features :

  • Individual serial number on each gauge.
  • Hardness HRC 60±2.
  • Plug gauges compliance with standard DIN 7162/7164.
  • Ring gauges compliance with standard DIN 2250.
  • Customized dimension and tolerance are available.
Size (Diameter) Item Code (Plug Gauge, H7) Item Code (Ring Gauge)
2mm 40-0020 45-0020
3mm 40-0030 45-0030
4mm 40-0040 45-0040
5mm 40-0050 45-0050
6mm 40-0060 45-0060
7mm 40-0070 45-0070
8mm 40-0080 45-0080
9mm 40-0090 45-0090
10mm 40-0100 45-0100
11mm 40-0110 45-0110
12mm 40-0120 45-0120
13mm 40-0130 45-0130
14mm 40-0140 45-0140
15mm 40-0150 45-0150
16mm 40-0160 45-0160
17mm 40-0170 45-0170
18mm 40-0180 45-0180
19mm 40-0190 45-0190
20mm 40-0200 45-0200
21mm 40-0210 45-0210
22mm 40-0220 45-0220
23mm 40-0230 45-0230
24mm 40-0240 45-0240
25mm 40-0250 45-0250
26mm 40-0260 45-0260
27mm 40-0270 45-0270
28mm 40-0280 45-0280
Size (Diameter) Item Code (Plug Gauge, H7) Item Code (Ring Gauge)
29mm 40-0290 45-0290
30mm 40-0300 45-0300
32mm 40-0320 45-0320
34mm 40-0340 45-0340
35mm 40-0350 45-0350
36mm 40-0360 45-0360
37mm 40-0370 45-0370
38mm 40-0380 45-0380
40mm 40-0400 45-0400
42mm 40-0420 45-0420
44mm 40-0440 45-0440
45mm 40-0450 45-0450
46mm 40-0460 45-0460
50mm 40-0500 45-0500
60mm 40-0600 45-0600
70mm 40-0700 45-0700
80mm 40-0800 45-0800
90mm 40-0900 45-0900
100mm 40-1000 45-1000
125mm 40-1250 45-1250
150mm 40-1500 45-1500
175mm 40-1750 45-1750
200mm 40-2000 45-2000
225mm 40-2250 45-2250
250mm 40-2500 45-2500
270mm 40-2750 45-2750
300mm 40-3000 45-3000

Plug Gage Set

Size (Diameter) Plug Gauge
7pcs set (3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm) 40-0312T
28pcs set (3mm-30mm) 40-0330T


Metric Thread Plug and Ring Gauges

Features :

  • Individual serial number on each gauge.
  • Hardness HRC 60±2.
  • Thread gauges for metric thread according to DIN 13.
  • Customized dimension and tolerance are available.
Metric Coarse Thread

Size Plug Gauge 6H Ring Gauge (Go, 6g) Ring Gauge (No Go, 6g)
M2 x 0.4 50-0200 55-0200 65-0200
M3 x 0.5 50-0300 55-0300 65-0300
M4 x 0.7 50-0400 55-0400 65-0400
M5 x 0.8 50-0500 55-0500 65-0500
M6 x 1.0 50-0600 55-0600 65-0600
M8 x 1.25 50-0800 55-0800 65-0800
M10 x 1.5 50-0200 55-0200 65-0200
M2 x 0.4 50-1000 55-1000 65-1000
M12 x 1.75 50-1200 55-1200 65-1200
M14 x 2.0 50-1400 55-1400 65-1400
M16 x 2.0 50-1600 55-1600 65-1600
M18 x 2.5 50-1800 55-1800 65-1800
M20 x 2.5 50-2000 55-2000 65-2000
M22 x 2.5 50-2200 55-2200 65-2200
M24 x 3.0 50-2400 55-2400 65-2400
M27 x 3.0 50-2700 55-2700 65-2700
M30 x 3.5 50-3000 55-3000 65-3000
M33 x 3.5 50-3300 55-3300 65-3300
M36 x 4.0 50-3600 55-3600 65-3600
M42 x 4.5 50-4200 55-4200 65-4200
M45 x 4.5 50-4500 55-4500 65-4500
M48 x 5.0 50-4800 55-4800 65-4800
M52 x 5.0 50-5200 55-5200 65-5200
M56 x 5.5 50-5600 55-5600 65-5600
M60 x 5.5 50-6000 55-6000 65-6000

Plug Gage Set

Size Plug Gauge
7pcs set (M3, M4, M5, M6, M8, M10, M12) 50-0312T

Metric Fine Thread

Size Plug Gauge 6H Ring Gauge (Go, 6g) Ring Gauge (No Go, 6g)
M2 x 0.35 50-0201 55-0201 65-0201
M3 x 0.35 50-0301 55-0301 65-0301
M4 x 0.35 50-0401 55-0401 65-0401
M5 x 0.35 50-0501 55-0501 65-0501
M6 x 0.35 50-0601 55-0601 65-0601
M5 x 0.5 50-0502 55-0502 65-0502
M6 x 0.5 50-0602 55-0602 65-0602
M8 x 0.5 50-0802 55-0802 65-0802
M10 x 0.5 50-1002 55-1002 65-1002
M12 x 0.5 50-1202 55-1202 65-1202
M6 x 0.75 50-0603 55-0603 65-0603
M8 x 0.75 50-0803 55-0803 65-0803
M10 x 0.75 50-1003 55-1003 65-1003
M12 x 0.75 50-1203 55-1203 65-1203
M8 x 1.0 50-0804 55-0804 65-0804
M10 x 1.0 50-1004 55-1004 65-1004
M12 x 1.0 50-1204 55-1204 65-1204
M14 x 1.0 50-1404 55-1404 65-1404
M16 x 1.0 50-1604 55-1604 65-1604
M18 x 1.0 50-1804 55-1804 65-1804
M21 x 1.0 50-2104 55-2104 65-2104
M22 x 1.0 50-2204 55-2204 65-2204
M24 x 1.0 50-2404 55-2404 65-2404
M25 x 1.0 50-2504 55-2504 65-2504
M26 x 1.0 50-2604 55-2604 65-2604
M28 x 1.0 50-2804 55-2804 65-2804
M30 x 1.0 50-3004 55-3004 65-3004
M32 x 1.0 50-3204 55-3204 65-3204
M33 x 1.0 50-3304 55-3304 65-3304
M34 x 1.0 50-3404 55-3404 65-3404
M35 x 1.0 50-3504 55-3504 65-3504
M36 x 1.0 50-3604 55-3604 65-3604
M38 x 1.0 50-3804 55-3804 65-3804
M40 x 1.0 50-4004 55-4004 65-4004
M45 x 1.0 50-4504 55-4504 65-4504
M50 x 1.0 50-5004 55-5004 65-5004
M55 x 1.0 50-5504 55-5504 65-5504
M56 x 1.0 50-5604 55-5604 65-5604
M58 x 1.0 50-5804 55-5804 65-5804
M60 x 1.0 50-6004 55-6004 65-6004
M70 x 1.0 50-7004 55-7004 65-7004
M80 x 1.0 50-8004 55-8004 65-8004
M10 x 1.25 50-1005 55-1005 65-1005
M12 x 1.25 50-1205 55-1205 65-1205
M10 x 1.5 50-1006 55-1006 65-1006
M12 x 1.5 50-1206 55-1206 65-1206
M16 x 1.5 50-1606 55-1606 65-1606
M20 x 1.5 50-2006 55-2006 65-2006
M30 x 1.5 50-3006 55-3006 65-3006
M40 x 1.5 50-4006 55-4006 65-4006
M50 x 1.5 50-5006 55-5006 65-5006
M56 x 1.5 50-5606 55-5606 65-5606
M60 x 1.5 50-6006 55-6006 65-6006
M70 x 1.5 50-7006 55-7006 65-7006
M80 x 1.5 50-8006 55-8006 65-8006
M18 x 2.0 50-1807 55-1807 65-1807
M20 x 2.0 50-2007 55-2007 65-2007
M22 x 2.0 50-2207 55-2207 65-2207
M30 x 2.0 50-3007 55-3007 65-3007
M40 x 2.0 50-4007 55-4007 65-4007
M50 x 2.0 50-5007 55-5007 65-5007
M56 x 2.0 50-5607 55-5607 65-5607
M60 x 2.0 50-6007 55-6007 65-6007
M70 x 2.0 50-7007 55-7007 65-7007
M80 x 2.0 50-8007 55-8007 65-8007
M90 x 2.0 50-9007 55-9007 65-9007
M100 x 2.0 50-0007 55-0007 65-0007
M30 x 3.0 50-3008 55-3008 65-3008
M36 x 3.0 50-3608 55-3608 65-3608
M40 x 3.0 50-4008 55-4008 65-4008
M50 x 3.0 50-5008 55-5008 65-5008
M100 x 3.0 50-0008 55-0008 65-0008


Inch Thread Plug and Ring Gauges

Features :

  • Individual serial number on each gauge.
  • Hardness HRC 60±2.
  • American unified inch thread according to ANSI B 1.1.
  • Customized dimension and tolerance are available.
ANSI UNC Thread

Size Plug Gauge (Class 2B) Ring Gauge (Go, 2A) Ring Gauge (No Go, 2A)
3-48 51-0030048 56-0030048 66-0030048
4-40 51-0040040 56-0040040 66-0040040
5-40 51-0050040 55-0050040 65-0050040
6-32 51-0060032 55-0060032 65-0060032
8-32 51-0080032 55-0080032 65-0080032
10-24 51-0100024 55-0100024 65-0100024
12-24 51-0120024 55-0120024 65-0120024
1/4"-20 51-0010420 55-0010420 65-0010420
5/16"-18 51-0051618 55-0051618 65-0051618
3/8"-16 51-0030816 55-0030816 65-0030816
7/16"-14 51-0071614 55-0071614 65-0071614
1/2"-13 51-0010213 55-0010213 65-0010213
9/16"-12 51-0091612 55-0091612 65-0091612
5/8"-11 51-0050811 55-0050811 65-0050811
3/4"-10 51-0030410 55-0030410 65-0030410
7/8"-9 51-0070809 55-0070809 65-0070809
1"-8 51-1000008 55-1000008 65-1000008

ANSI UNF/UN Thread

Size Plug Gauge (Class 2B) Ring Gauge (Go, 2A) Ring Gauge (No Go, 2A)
3-56 51-0030056 56-0030056 66-0030056
4-48 51-0040048 56-0040048 66-0040048
5-44 51-0050044 56-0050044 66-0050044
6-40 51-0060040 56-0060040 66-0060040
8-36 51-0080036 56-0080036 66-0080036
10-32 51-0100032 56-0100032 66-0100032
12-28 51-0120028 56-0120028 66-0120028
1/4"-28 51-00010428 56-0010428 66-0010428
5/16"-24 51-0051624 56-0051624 66-0051624
3/8"-24 51-0030824 56-0030824 66-0030824
7/16"-20 51-0071620 56-0071620 66-0071620
1/2"-20 51-0010220 56-0010220 66-0010220
9/16"-18 51-0091618 56-0091618 66-0091618
5/8"-18 51-0050818 56-0050818 66-0050818
3/4"-16 51-0030416 56-0030416 66-0030416
7/8"-14 51-0070814 56-0070814 66-0070814
1"-12 51-1000012 56-1000012 66-1000012
1-1/16'-8 51-1011608 56-1011608 66-1011608
1-1/16"-12 51-1011612 56-1011612 66-1011612
1-1/16"-16 51-1011616 56-1011616 66-1011616
1-1/8"-8 51-1010808 56-1010808 66-1010808
1-1/8"-12 51-1010812 56-1010812 66-1010812
1-1/8"-16 51-1010816 56-1010816 66-1010816
1-3/16"-8 51-1031608 56-1031608 66-1031608
1-3/16"-12 51-1031612 56-1031612 66-1031612
1-3/16"-16 51-1031616 56-1031616 66-1031616
1-15/16"-8 51-1151608 56-1151608 66-1151608
1-15/16"-12 51-1151612 56-1151612 66-1151612
1-15/16"-16 51-1151616 56-1151616 66-1151616
2"-8 51-2000008 56-2000008 66-2000008
2"-12 51-2000012 56-2000012 66-2000012
2"-16 51-2000016 56-2000016 66-2000016

Whitworth Thread

According to DIN ISO 228


Size Plug Gauge (Class 2B) Ring Gauge (Go, 2A) Ring Gauge (No Go, 2A)
G1/8” - 28 52-00108 57-00108 67-00108
G1/4” - 19 52-00104 57-00104 67-00104
G3/8" - 19 52-00308 57-00308 67-00308
G1/2′′ - 14 52-00102 57-00102 67-00102
G5/8"-14 52-00508 57-00508 67-00508
G3/4"-14 52-00304 57-00304 67-00304
G7/8"-14 52-00708 57-00708 67-00708
G1” - 11 52-10000 57-10000 67-10000
G1-1/4” - 11 52-10104 57-10104 67-10104
G1-1/2” – 11 52-10102 57-10102 67-10102
G1-3/4” – 11 52-10304 57-10304 67-10304
G2"-11 52-20000 57-20000 67-20000
G2-1/4"-11 52-20104 57-20104 67-20104
G2-1/2" - 11 52-20102 57-20102 67-20102
G2-3/4"-11 52-20304 57-20304 67-20304
G3"-11 52-30000 57-30000 67-30000

NPT Thread

According to ANSI/ASME B1.20.1


Size Plug Gauge Ring Gauge
1/8"-27 53-00108 68-00108
1/4"-18 53-00104 68-00104
3/8"-18 53-00308 68-00308
1/2"-14 53-00102 68-00102
3/4"-14 53-00304 68-00304
1"-11.5 53-10000 68-10000
1-1/4"-11.5 53-10104 68-10104
1-1/2"-11.5 53-10102 68-10102
2"-11.5 53-20000 68-20000
2-1/2"-8 53-20102 68-20102
3"-8 53-30000 68-30000