ASTM A193 B8 CL2 Stud Bolt Size Chart

Size Of Nut
(millimeter)
Diameter Of
(millimeter)
Height Table
(millimeter)
Hex Nut Jam Nut Nylock Nut
2 4 1.6 1.2
2.5 5 2 1.6
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20

ASTM A193 B6 Stud Bolt Size Chart

Size Of Nut
(millimeter)
Diameter Of
(millimeter)
Height Table
(millimeter)
Hex Nut Jam Nut Nylock Nut
2 4 1.6 1.2
2.5 5 2 1.6
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20

ASTM A182 GR F55 Stud Bolt Size Chart

Size Of Nut
(millimeter)
Diameter Of
(millimeter)
Height Table
(millimeter)
Hex Nut Jam Nut Nylock Nut
2 4 1.6 1.2
2.5 5 2 1.6
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20

ASTM A193 B8MLCuN Stud Bolt Size Chart

Size Table Of ASTM A193 Grade B8MLCuN Threaded Stud Bolt
per Inch Threads
Frac. [Number] Decimal UNC UNF
1/8 [#6] 0.1380 32 40
5/32 [#8] 0.1640 32 36
3/16 [#10] 0.1900 24 32
1/4 0.2500 20 28
5/16 0.3125 18 24
3/8 0.3750 16 24
7/16 0.4375 14 20
1/2 0.5000 13 20
9/16 0.5625 12 18
5/8 0.6250 11 18
3/4 0.7500 10 16
7/8 0.8750 9 14
1 1.0000 8 12, 14
1 1/8 1.1250 7 12
1 1/4 1.2500 7 12
1 3/8 1.3750 6 12
1 1/2 1.5000 6 12
1 3/4 1.7500 5

ASTM A193 B8C Stud Bolt Size Chart

NOMINAL SIZE (D) BODY DIAMETER HEAD THICKNEASTM A193 ACROASTM A193 THE FLATS ACROASTM A193 CORNERS
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60

ASTM A193 B8M Stud Bolt Size Chart

 Class 150 Flanges ASME B16.5 (Stud bolt sizes) Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in
Ring Joint
1/2 3 1/2 2 3/8 5/8 4 1/2 2 1/4
3/4 3 7/8 2 3/4 5/8 4 1/2 2 1/2
1 4 1/4 3 1/8 5/8 4 1/2 2 1/2 3
1 1/4 4 5/8 3 1/2 5/8 4 1/2 2 3/4 3 1/4
1 1/2 5 3 7/8 5/8 4 1/2 2 3/4 3 1/4
2 6 4 3/4 3/4 4 5/8 3 1/4 3 3/4
2 1/2 7 5 1/2 3/4 4 5/8 3 1/2 4
3 7 1/2 6 3/4 4 5/8 3 1/2 4
3 1/2 8 1/2 7 3/4 8 5/8 3 1/2 4
4 9 7 1/2 3/4 8 5/8 3 1/2 4
5 10 8 1/2 7/8 8 3/4 3 3/4 4 1/4
6 11 9 1/2 7/8 8 3/4 4 4 1/2
8 13 1/2 11 3/4 7/8 8 3/4 4 1/4 4 3/4
10 16 14 3/4 1 12 7/8 4 1/2 5
12 19 17 1 12 7/8 4 3/4 5 1/4
14 21 18 3/4 1 1/8 12 1 5 1/4 5 3/4
16 23 1/2 21 1/4 1 1/8 16 1 5 1/4 5 3/4
18 25 22 3/4 1 1/4 16 1 1/8 5 3/4 6 1/4
20 27 1/2 25 1 1/4 20 1 1/8 6 1/4 6 3/4
24 32 29 1/2 1 1/4 20 1 1/4 6 3/4 7 1/4
Class 300 Flanges ASME B16.5 Length of Stud Bolts 
NPS Outside Diameter of Flange The diameter of Bolt Circle The diameter of Bolt Holes Number of Bolts Diameter of Bolts Raised Face
0.06 in
Ring Joint
1/2 3 3/4 2 5/8 5/8 4 1/2 2 1/2 3
3/4 4 5/8 3 1/4 3/4 4 5/8 3 3 1/2
1 4 7/8 3 1/2 3/4 4 5/8 3 3 1/2
1 1/4 5 1/4 3 7/8 3/4 4 5/8 3 1/4 3 3/4
1 1/2 6 1/8 4 1/2 7/8 4 3/4 3 1/2 4
2 6 1/2 5 3/4 8 5/8 3 1/2 4
2 1/2 7 1/2 5 7/8 7/8 8 3/4 4 4 1/2
3 8 1/4 6 5/8 7/8 8 3/4 4 1/4 4 3/4
3 1/2 9 7 1/4 7/8 8 3/4 4 1/4 5
4 10 7 7/8 7/8 8 3/4 4 1/2 5
5 11 9 1/4 7/8 8 3/4 4 3/4 5 1/4
6 12 1/2 10 5/8 7/8 12 3/4 4 3/4 5 1/2
8 15 13 1 12 7/8 5 1/2 6
10 17 1/2 15 1/4 1 1/8 16 1 6 1/4 6 3/4
12 20 1/2 17 3/4 1 1/4 16 1 1/8 6 3/4 7 1/4
14 23 20 1/4 1 1/4 20 1 1/8 7 7 1/2
16 25 1/2 22 1/2 1 3/8 20 1 1/4 7 1/2 8
18 28 24 3/4 1 3/8 24 1 1/4 7 3/4 8 1/4
20 30 1/2 27 1 3/8 24 1 1/4 8 8 3/4
24 36 32 1 5/8 24 1 1/2 9 10

ASTM A182 GR F53 Stud Bolt Size Chart

NOMINAL SIZE (D) BODY DIAMETER HEAD THICKNEASTM A479 ACROASTM A479 THE FLATS ACROASTM A479 CORNERS
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60

ASTM A193 B8 Stud Bolt Size Chart

NOMINAL SIZE (D) BODY DIAMETER HEAD THICKNEASTM A193 ACROASTM A193 THE FLATS ACROASTM A193 CORNERS
D (MAX) D (MIN) H (MAX) H (MIN) F (MAX) F (MIN) C (MAX) C (MIN)
m14 14.00 13.73 9.09 8.51 22.00 20.67 24.25 23.35
m10 10.00 9.78 6.63 6.17 17.00 15.73 18.48 17.77
m12 12.00 11.73 7.76 4.24 19.00 17.73 20.78 20.03
m16 16.00 15.73 10.32 9.68 24.00 23.67 27.71 26.75
m24 24.00 23.67 15.44 14.56 36.00 35.00 41.57 39.55
m30 30.00 29.67 19.48 17.92 46.00 45.00 53.12 50.85
m36 36.00 35.61 23.38 21.63 55.00 53.80 63.51 60.79
m20 20.00 19.67 12.88 12.12 30.00 29.16 34.64 32.95
m42 42.00 41.38 26.97 25.03 65.00 62.90 75.06 71.71
m48 48.00 47.38 31.07 28.93 75.00 72.60 86.60 82.76
m80 80.00 79.26 51.58 48.42 115.00 111.00 132.72 126.54
m64 64.00 63.26 41.32 38.68 95.00 91.80 109.70 104.65
m72 72.00 71.26 46.45 43.55 105.00 101.40 121.24 115.60
m90 90.00 89.13 57.74 54.26 130.00 125.50 150.11 143.07
m56 56.00 55.26 36.2 33.80 85.00 82.20 98.15 93.71
m100 90.00 99.13 63.9 60.10 145.00 140.00 167.43 159.60

ASTM A182 GR F51 Stud Bolt Size Chart

Size Of Nut
(millimeter)
Diameter Of
(millimeter)
Height Table
(millimeter)
Hex Nut Jam Nut Nylock Nut
2 4 1.6 1.2
2.5 5 2 1.6
3 5.5 2.4 1.8 4
4 7 3.2 2.2 5
5 8 4 2.7 5
6 10 5 3.2 6
7 11 5.5 3.5
8 13 6.5 4 8
10 17 8 5 10
12 19 10 6 12
14 22 11 7 14
16 24 13 8 16
18 27 15 9 18.5
20 30 16 10 20

Steel  Stud Bolts Types

Double Ended Threaded Studs

Double Ended Threaded Studs

Threaded Rod

Threaded Rod

Tap End Stud Bolt

Tap End Stud Bolt

Stud

Stud

Contact Us For Quatation & Questions Related To Steel Stud Bolts

Steel Stud Bolts Applications

Export & Supply Destinations Of Stud Bolts

British, Kyrgyzstan, Saudi Arabia, Turkey, Afghanistan, Bahrain, Jordan, Indonesia, Malaysia, Taiwan, Azerbaijan, Israel, Vietnam, Thailand, Hong Kong, Bangladesh, Bhutan, Iran, Iraq, Russia, United Arab Emirates, Armenia, Japan, Kuwait, Myanmar, Oman, Mongolia, North Korea, China, South Korea, Lebanon, India, Macau, Philippines, Singapore, Maldives, Egypt, Nepal, Qatar, Sri Lanka.

Finland, Ukraine, Slovakia, Turkey, France, Romania, Latvia, Croatia, Poland, Spain, Greece, Austria, Cyprus, Switzerland, Bulgaria, Estonia, Belgium, Monaco, Russia, Malta, Ireland, Netherlands, Germany, Denmark, Czechia/Czech Republic, Portugal, Luxembourg, Belarus, Serbia, Italy, Liechtenstein, Norway, Hungary, Azerbaijan, Moldova, United Kingdom, Sweden, Lithuania.

Libya, Cameroon, Kenya, Burkina Faso, Senegal, Mauritania, Burundi, Seychelles, Uganda, Zimbabwe, Algeria, Botswana, Mozambique, Nigeria, Gambia, Tunisia, South Africa, Mauritius, Morocco, Niger, Central African Republic, Namibia, Liberia, Zambia, Tanzania, Eswatini, Egypt, Madagascar, Rwanda, Angola, Ethiopia.

Dominican Republic, Honduras, Jamaica, Dominica, El Salvador, Bahamas, Costa Rica, Grenada, Antigua and Barbuda, Guatemala, Haiti, Nicaragua, Saint Vincent and the Grenadines, Mexico, Belize, Canada, Cuba, United States of America, Barbados, Panama, Saint Lucia, Trinidad and Tobago.

Brazil, Suriname, Guyana, Uruguay, Peru, Argentina, Paraguay, Bolivia, Chile, Venezuela, Colombia, Ecuador.