• Stainless Steel Stud Bolt and Nut Size Chart | SS Stud Bolt | Dimensions | Specifications | Stud Bolt Data | Diameters | Size | Stud Bolt Weight Calculator | Stud Bolt Price in India

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    Stainless Steel Stud Bolt and Nut Size Chart | SS Stud Bolt | SS Stud Bolt M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 Size

    Stainless Steel Stud Bolt and Nut Size Chart | SS Stud Bolt, ASTM A193 Grade B8, ASTM A193 Grade B8M, ASTM A193 Grade B8T, ASTM A193 Grade B8T, Specification, ASTM A194 Grade 8, ASTM A194 Grade 8M, ASTM A194 Grade 8T, AISI 304, AISI 316, AISI 321, AISI 321 Strain Hardened, AISI 316 Strain Hardened, AISI 304 Strain Hardened

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    Stainless Steel Stud Bolt and Nut Size Chart | SS Stud Bolt | Dimensions | Specifications | Stainless Steel Fasteners Data | Diameters | Size | Fasteners Weight Calculator | Price in India


    ALSO CHECK : Din Nut Specifications / Din Bolt Specifications / Din Screws Specifications / Din Washer Specifications / DOWNLOAD PDF & FASTENERS Specifications PDF

    Weight of Stud Bolt: Chart ASME B16.5 / EN-ISO

    STUD BOLTS WEIGHT

    METRIC STUD BOLTS 

    METRIC STUD BOLTS WITH 2 NUTS (WEIGHT IN KGS / 100 PIECES)

    DIAMETER LENGHT mm M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39
    60 5,6 8,1 12 15,6                  
    70 6,1 8,9 13 16,9 23,7                
    80 6,6 9,6 14 18,2 25,4 32,5              
    90 7,1 10,3 15 19,6 27,1 34,5 45,5            
    100 7,6 11 16 21 28,8 36,7 47,2 54,2          
    110 8,1 11,7 17 22,2 30,4 38,7 48,3 58,2 80        
    120 8,6 12,4 18 23,6 32,1 40,7 50,9 60,2 84,7 107      
    130 9,1 13,2 19 24,9 33,7 42,8 53,4 63,2 88,6 111 141    
    140 9,6 14,2 20 26,2 35,4 44,9 55,9 66,2 92,4 116 147 185  
    150 10,1 14,9 20,8 27,5 36,9 46,9 58,5 69,2 96,3 121 153 192 237
    160 10,6 15,6 21,8 29,1 38,6 49 61 72,2 100,1 126 159 199 245
    170   16,4 22,8 30,4 40,2 51,1 63,5 75,2 104 130 165 206 253
    180     23,8 31,8 41,9 52,3 66,1 78,1 108 135 171 213 261
    190       33,1 43,5 54,4 68,4 81,1 112 140 176 219 269
    200       34,5 45,2 56,2 71 84 116 144 182 226 278
    210       35,8 46,8 58,5 73,5 88,4 120 149 188 233 286
    220       37,1 48,4 60,6 76,1 91,4 124 154 194 240 294
    230       38,5 50,1 62,6 78,6 94,4 127 159 201 247 302
    240       39,8 51,7 64,7 81,2 97,4 130,9 164 208 253 310
    250       41,1 53,4 66,8 83,7 100,4 134,8 172 214 260 319
    260         55 68,8 86,3 103,4 138,6 177 220 267 327
    270         56,6 70,9 88,8 106,4 142,5 182 224 274 335
    280         58,3 73 91,4 109,4 146,3 187 230 281 343
    290           75 93,9 112,4 150,1 192 236 291 360
    300           77,1 96,5 115,4 154 196 241 298 368
    320             101,6 121,3 161,7 206 253 312 380
    340               127,3 169,4 215 265 326 395
    360               133,3 177,1 224 276 340 411
    380                 184,8 234 288 353 428
    400                 192,5 243 299 367 444
    420                   252 311 381 460
    440                   262 322 394 477
    460                   271 334 408 493
    480                   281 345 422 509
    500                   290 357 436 526

    IMPERIAL STUD BOLTS

    METRIC STUD BOLTS WITH 2 NUTS (WEIGHT IN KGS / 100 PIECES)

    DIAMETER in. LENGHT mm 1/2 5/8 3/4 7/8 1 1.1/8 1.1/4 1.3/8 1.1/2 1.5/8 1.3/4 1.7/8
    2.1/2 10.8                      
    2.3/4 11.6 19.8                    
    3.1/4 12.4 21 32.4                  
    3.1/2 13.2 22.2 34.3 50                
    4 14 23.4 36.2 52.6 71.8              
    4.1/2 14.8 24.6 38.1 55.2 75.2 102            
    4.3/4 15.6 25.8 40 57.8 78.6 106 137          
    5 16.4 27 41.9 60.4 82 111 142 179        
    5.1/2 17.2 28.2 43.8 63 85.4 115 147 186 234      
    6 18 29.4 45.7 65.6 88.8 119 153 193 242 289    
    6.1/4 18.8 30.6 47.6 68.2 92.2 123 158 200 250 298 263  
    6.1/2 19.6 32.3 49.5 70.8 95.6 128 164 206 258 308 374 437
    7 20.4 33.5 50.8 73.4 99 132 169 213 266 317 385 449
    7.1/2 21.2 34.8 52.7 75.5 103 136 174 220 275 326 396 462
    8 22 36.1 54.5 78 106 141 180 226 283 336 407 475
    8.1/4   37.3 56.3 80.5 108 145 185 233 291 345 418 488
    8.3/4   38.6 58.1 83.1 112 149 191 240 299 354 429 500
    9   39.8 60 85.6 115 153 196 246 307 364 440 513
    9.1/2   41.1 61.8 88.2 118 158 201 253 316 373 451 526
    10     63.7 90.7 122 162 206 260 324 382 463 538
    10/1.4       93.3 125 166 212 267 332 391 474 551
    1.0.1/2         128 171 217 273 340 401 485 564
    11         132 175 223 279 345 410 496 576
    11.1/2         135 179 228 285 350 419 507 589
    12         138 184 233 292 358 429 518 602

     

    Bolt Grade Markings and Strength Chart

    US Bolts
    Head Marking Grade and
    Material    		 Nominal Size Range
    (inches)    		 Mechanical Properties
    Proof Load
    (psi)    		 Min. Yield Strength
    (psi)    		 Min. Tensile Strength
    (psi)

    No Markings

    Grade 2

    Low or medium carbon steel    		 1/4" thru 3/4" 55,000 57,000 74,000
    Over 3/4" thru 1-1/2" 33,000 36,000 60,000

    3 Radial Lines

    Grade 5

    Medium carbon steel, quenched and tempered    		 1/4" thru 1" 85,000 92,000 120,000
    Over 1" thru 1-1/2" 74,000 81,000 105,000

    6 Radial Lines

    Grade 8

    Medium carbon alloy steel, quenched and tempered    		 1/4" thru 1-1/2" 120,000 130,000 150,000

    Grade A325

    Carbon or Alloy Steel with or without Boron    		 1/2" thru 1-1/2" 85,000 92,000 120,000
    Stainless markings vary. Most stainless is non-magnetic

    18-8 Stainless

    Steel alloy with 17-19% Chromium and 8-13% Nickel    		 All Sizes thru 1"   20,000 Min. 65,000 Typical 65,000 Min. 100,000 – 150,000 Typical

    Metric Bolts
    Head Marking Class and
    Material    		 Nominal Size Range
    (mm)    		 Mechanical Properties
    Proof Load
    (MPa)    		 Min. Yield Strength
    (MPa)    		 Min. Tensile Strength
    (MPa)
    8.8

    Class 8.8

    Medium carbon steel, quenched and tempered    		 All Sizes below 16mm 580

    640

    800
    16mm - 72mm 600 660 830
    10.9

    Class 10.9

    Alloy steel, quenched and tempered    		 5mm - 100mm 830

    940

    1040
    12.9

    Class 12.9

    Alloy steel, quenched and tempered    		 1.6mm - 100mm 970

    1100

    1220
    Stainless markings vary. Most stainless is non-magnetic. 
    Usually stamped A-2.

    A-2 Stainless

    Steel alloy with 17- 19% chromium and 8-13% nickel    		 All Sizes thru 20mm  

    210 Min.
    450 Typical

    500 Min.
    700 Typical

    Tensile Strength: The maximum load in tension (pulling apart) which a material can withstand before breaking or fracturing.

    Yield Strength: The maximum load at which a material exhibits a specific permanent deformation

    Proof Load: An axial tensile load which the product must withstand without evidence of any permanent set.

    1MPa = 1N/mm2 = 145 pounds/inch2

    Stud bolt, A193, Gr.B7, Heavy Hex Nuts, A194 Gr.2H, Washers,

      Product Information
    • Product Name : Stud bolt, A193, Gr.B7, Heavy Hex Nuts, A194 Gr.2H, Washers,
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      Description
    • ASTM A193 B7 (Cr- Mo AISI 4140,4142,4145 ) ASTM A1193 B7M (Cr- Mo AISI 4140,4142,4145 ) ASTM A193 B16 (Cr- Mo -V ) ASTM A193 B5 (5% Cr AISI 501) ASTM A320-L7 (Cr- Mo AISI 4140,4142,4145 ) ASTM A 320 L7M ASTM A194 Gr.2H ASTM A194 Gr.2HM ASTM A194 Gr.4

    Product Details Stud bolt, A193, Gr.B7, Heavy Hex Nuts, A194 Gr.2H, Washers,

    Bolts & Nuts for flanged connections

    TYPES OF BOLTS

    In Petro and chemical industry for flange connections Stud Bolt and Hex Bolts are used. The Stud Bolt is a threaded rod with 2 heavy hexagon nuts, while the Hex Bolt has a head with one nut. Nuts and head are both six sided.

    STUD BOLTS GENERAL

    The quantity of bolts for a flange connection will be given by the number of bolt holes in a flange, diameter and length of bolts is dependent of flange type and Pressure Class of flange.

    Stud Bolt length are defined in ASME B16.5 standard. The length in inches is equal to the effective thread length measured parallel to the axis, from the first to the first thread without the chamfers (points). First thread is defined as the intersection of the major diameter of the thread with the base of the point.

    Measuring lengths of Stud Bolts and Hex Bolts

    Notes:

    • The length of metric Stud Bolt measured parallel to axis, is the distance from each Stud Bolt, including the point.
    • To allow the use of hydraulic tensioning equipment, larger dimension studs shall be often one diameter longer than "standard". That bolts to have plastic end cap protection.

    THREADS OF STUD BOLTS

    Bolts threading are defined in ASME B1.1 Unified Inch Screw Threads, (UN and UNR Thread Form). The most common thread is a symmetrical form with a V-profile. The included angle is 60°. This form is widely used in the Unified thread (UN, UNC, UNF, UNRC, UNRF) form as the ISO / metric threads.
    The advantage of a symmetrical threads is that they are easier to produce and inspect compared with non-symmetrical threads. These are typically used in general-purpose fasteners.
    Thread series cover designations of diameter/pitch combinations that are measured by the number of threads per inch (TPI) applied to a single diameter.

    STANDARD THREAD PITCHES

    • Coarse thread series (UNC/UNRC) is the most widely used thread system and applied in most of the screws, bolts and nuts. Coarse threads are used for threads in low strength materials such as iron, mild steel, copper and softer alloy, aluminium, etc.. The coarse thread is also more tolerant in adverse conditions and facilitate quick assembly.
    • Fine thread series (UNF/UNRF) is commonly used in precision applications and in there where require a higher tensile strength than the coarse thread series.
    • 8 - Thread series (8UN) is the specified thread forming method for several ASTM standards including A193 B7, A193 B8/B8M, and A320. This series is mostly used for diameters one inch and above.

    HEX NUTS

    Hex nuts (dimensional data) are defined in ASME B18.2.2, and even as bolts the threading in ASME B1.1. Depending on a customer specification, nuts must be both sites chamfered or with on one side a washer-face.

    Hex Nuts

    Dimensions of above mentioned nuts, can be found on page Heavy Hex Nuts of this website.

    THE HEIGHT OF A NUT FOR A STUD BOLT IS THE SAME AS THE DIAMETER OF THE THREAD ROD

    MATERIALS FOR STUD BOLTS

    Dimensions from Stud Bolt are defined in the ASME B16.5 standard. The material qualities for studs are defined in the different ASTM standards, and are indicated by Grade. Frequently used grades are A193 for thread rods and A194 for the nuts.

    ASTM A193 covers alloy and stainless steel bolting material for pressure vessels, Valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications.
    ASTM A194 covers a variety of carbon, alloy, and martensitic and austenitic stainless steel nuts. These nuts are intended for high-pressure or high-temperature service, or both.

    MARKING OF STUD BOLTS

    Thread rods and nuts must be marked by the manufacturer with a unique identifier to identify the manufacturer or private label distributor, as appropriate. Below a number of ASTM examples.

    Marking of bolts and nuts

    GRADES OF STUD BOLTS

    Below a table with materials and grades for flanges, thread rods (bolts) and nuts, arranged on design temperature, flanges, thread rods and recommended nuts.

    DESIGN
    TEMP.    		 FLANGES GRADE
    THREAD RODS    		 GRADE
    NUTS
    -195° to 102°C ASTM A182
    Gr. F304, F304L, F316,
    F316L, F321, F347    		 A320 Gr.B8 Class2 A194 Gr.8A
    -101° to -47°C ASTM A350
    Gr.LF3    		 A320 Gr.L7 A194 Gr.7
    -46° to -30°C ASTM A350
    Gr.LF2    		 A320 Gr.L7 A194 Gr.7
    -29° to 427°C ASTM A105 A193 Gr.B7 A194 Gr.2H
    428° to 537°C ASTM A182
    Gr.F11, F22    		 A193 Gr.B16 A194 Gr.2H
    538° to 648°C ASTM A182
    Gr.F11, F22    		 A193 Gr.B8 Class1 A194 Gr.8A
    649° to 815°C ASTM A182
    Gr. F304H, F316H    		 A193 Gr.B8 Class1 A194 Gr.8A
    DESIGN
    TEMP.    		 FLGS GRADE
    THREAD RODS    		 GRADE
    NUTS

    Metric Stud Bolt To Nut Chart

    Our metric stud bolt to nut table is meant to help determine the correct size bolt or nut for your purpose. Definitions of terms are located below the chart. Use the dimensions of your bolt to determine the appropriate size nut. The bolt chart provides both US and metric sizes.

    Coarse Thread

    NOM.
    DIA.    		 PITCH
    mm    		 DIAMETER
    mm    		 DIAMETER
    inch    		 NUT
    Size
    M10 1.5 10 0.3937 17
    M12 1.75 12 0.4724 19
    M14 2 14 0.5512 22
    M16 2 16 0.6299 24
    M18 2.5 18 0.7087 27
    M20 2.5 20 0.7874 30
    M22 2.5 22 0.8661 32
    M24 3 24 0.9449 36
    M27 3 27 1.063 41
    M30 3.5 30 1.1811 46
    M33 3.5 33 1.2992 50
    M36 4 36 1.4173 55
    M39 4 39 1.5354 60
    M42 4.5 42 1.6535 65
    M45 4.5 45 1.7717 70
    M48 5 48 1.8898 75
    M52 5 52 2.0472 80
    M56 5.5 56 2.2047 85
    M60 5.5 60 2.3622 90
    M64 6 64 2.5197 95
    M68 6 68 2.6772 100
    M72 6 72 2.8346 105
    M76 6 76 2.9921 110
    M80 6 80 3.1496 115
    M85 6 85 3.3464 120
    M90 6 90 3.5433 130
    M100 6 100 3.937 145
    M110 6 110 4.3307 155
    M125 6 125 4.9212 180
    M140 6 140 5.5118 200
    M160 6 160 6.2992 230

    Fine Thread

    NOM.
    DIA.    		 PITCH
    mm    		 DIAMETER
    mm    		 DIAMETER
    inch    		 NUT
    Size
    M16 1.5 16 0.6299 24
    M18 2 18 0.7087 27
    M18 1.5 18 0.7087 27
    M20 2 20 0.7874 30
    M20 1.5 20 0.7874 30
    M22 2 22 0.8661 32
    M22 1.5 22 0.8661 32
    M24 2 24 0.9499 36
    M24 1.5 24 0.9499 36
    M27 2 27 1.063 41
    M27 1.5 27 1.063 41
    M30 2 30 1.1811 46
    M30 1.5 30 1.1811 46
    M33 2 33 1.2992 50
    M33 1.5 33 1.2992 50
    M36 3 36 1.4173 55
    M36 1.5 36 1.4173 55
    M39 3 39 1.5354 60
    M42 3 42 1.6535 65
    M45 3 45 1.7717 70
    M48 3 48 1.8898 75
    M52 3 52 2.0472 80
    M56 4 56 2.2047 85
    M60 4 60 2.3622 90
    M64 4 64 2.5197 95
    M68 4 68 2.6772 100
    M72 4 72 2.8346 105
    M76 4 76 2.9921 110
    M80 4 80 3.1496 115
    M85 4 85 3.3464 120
    M90 4 90 3.5433 130
    M100 4 100 3.9370 145
    M110 4 110 4.3307 155
    M125 4 125 4.9212 180

    DEFINITIONS

    NOMINAL DIAMETER (NOMINAL BOLT DIAMETER)
    The diameter equal to the external diameter of the threads or the overall diameter of the part. (Nominal diameter is more of a label than a size. For example, a bolt and nut may be described as being ½” diameter. But neither the external threads of the bolt nor the internal threads of the nut are exactly .500 in diameter. In fact, the bolt diameter is a little smaller and the nut diameter a little larger. But it is easier to specify the components by a single size designation since the bolt and nut are mating components.)

    PITCH (THREAD PITCH)
    Pitch is the distance from the crest of one thread to the next or the distance from one thread groove to the next, measured from crest to crest. Pitch is also described as the number of threads per inch.

    DIAMETER (BODY DIAMETER)
    The smallest or largest pitch diameter that fits onto a screw or into a nut, including all of the form deviations such as lead, thread angle, taper, and roundness. Functional diameter is a measure of the ability to assemble the thread.

    THREAD (BOLT THREADS)
    A raised, helical rib or ridge around the interior or exterior of a cylindrically shaped object. Threads are found on screws, nuts, and bolts.

    THREADS PER INCH
    The decimal equivalent of the number of threads in an inch.

    COARSE THREADS & FINE THREADS
    Coarse threads are those with larger pitch (fewer threads per axial distance), and fine threads are those with smaller pitch (more threads per axial distance). Coarse threads have a larger threadform relative to screw diameter, whereas fine threads have a smaller threadform relative to screw diameter.

    NUMBER & SIZE OF BOLTS FOR FL ANGED JOINTS-

    ASME B16.5 Lengths of studs and bolts, when used with lap joint flanges, are dependent upon the thickness of the lap of the stub end. Stud-Bolt lengths do not include the height of the points.

    ASME B16.5 Lengths of studs and bolts

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