Manufacturer, Exporter & Supplier of
Stainless Steel 304/304L Fasteners

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Honesty Steel & Alloys Ltd. is a manufacturer, exporter, and supplier of Stainless Steel 304/304L Fasteners, Our Stainless Steel 304/304L Fasteners are manufactured and supplied in different sizes, dimensions, grades, standards, finishes, thread configurations, and supply forms to meet diverse industrial requirements.

Stainless Steel 304/304L Hex Bolts are six-sided externally threaded fasteners designed for applications where reliable mechanical fastening and good corrosion resistance are required. Their hexagonal heads allow installation and removal using standard tools.

Stainless Steel 304/304L Nuts are internally threaded fasteners used together with bolts, screws, and threaded rods. Hex nuts are among the most common types and are available in metric and imperial dimensions. Their corrosion resistance makes them suitable for general industrial and outdoor applications.

Stainless Steel 304/304L Washers distribute the load of a threaded fastener across the contact surface and can help protect the mating surface. Plain, flat, spring, lock, fender, square, and customized washers are available. SS 304 Eye Bolts have a looped head and are used for fastening, anchoring, securing, and lifting-related applications where the design and rated capacity are appropriate. Customized eye dimensions and thread configurations can be supplied.

Stainless Steel 304/304L Stud Bolts are commonly used for flanged connections, equipment assembly, piping systems, and industrial applications. Studs can be supplied fully threaded or with specified thread lengths depending on the application. SS 304 Socket Head Cap Screws feature an internal hexagonal drive and compact cylindrical head. They are suitable for applications where installation space is limited and a clean, compact fastening arrangement is required. SS 304 Anchor Bolts are designed to secure equipment, structural components, fixtures, and other assemblies to concrete or other substrates. Various configurations can be supplied according to installation requirements.

Stainless Steel 304 Bolts, 304 Stainless Steel Fasteners Exporter, SS 304L Nuts, Stainless Steel S30409 Fastener, Stainless Steel 304 Washers, SS 304 Stud Bolts, Stainless Steel 304L Industrial Fasteners, SS 304/304L Hex Head Screw Dealer, Buy 304 Stainless Steel Carriage Bolts, SS 304/304L Machine Screw, Stainless Steel 304H Screws, SS 304H Fasteners, SS 304H Anchor Fasteners, Stainless Steel 1.4306/1.4307 Fastener, Stainless Steel 304 Fasteners Manufacturer in Mumbai.

Stainless Steel 304/304L Fasteners Specifications

Property Specification
Product Stainless Steel 304/304L Fasteners
Material Austenitic Stainless Steel
Grade SS 304 / 304L
UNS S30400 / S30403
Common Designation A2 Stainless Steel
Standards ASTM / ASME, ISO, DIN, BS, EN
Bolt Standards ASME B18.2.1, DIN, ISO, BS
Nut Standards ASME B18.2.2, DIN, ISO, BS
Screw Standards ASME / ISO / DIN / BS
Thread Metric / UNC / UNF / BSW / BSF
Thread Type Coarse / Fine
Surface Plain / Passivated / Polished
Finish Natural / Bright / Customized
Types Nuts, Bolts, Screws, Socket Screw, Sockets, Studs, Screw, Nut, Spring Washers, Hex Set Screw, Socket Hexagon Head Screw, Cap Screw, Wing Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Studs, Anchors, Hex Nut,Marine Anchors, Hexagon Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Anchor Bolt, U- Bolts, J Bolts, T-Head Bolts, Mushroom Head Square Neck Bolts, Eye Bolt, Foundation Bolts, Structural Bolts
Manufacturing Cold Forged / Hot Forged / Machined
Size Metric & Imperial
Supply Condition Annealed / Cold Worked / As Specified
Application Industrial, Construction, Engineering, Fabrication

Equivalent Chart of Stainless Steel 304/304L Fasteners

STANDARD UNS WNR. AFNOR EN JIS BS GOST
SS 304 S30400 1.4301 Z7CN18‐09 X5CrNi18-10 SUS 304 304S31 08Х18Н10
SS 304L S30403 1.4306/1.4307 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11 SUS 304L 304S11 03Х18Н11

Chemical Composition of Stainless Steel 304/304L Fasteners

Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 – 8 – 11 –
SS 304L 0.035 max 2.0 max 1.0 max 0.045 max 0.03 max 18 – 20 – 8 – 13 –

Mechanical Properties of Stainless Steel 304/304L Fasteners

Grade Density Melting Point Tensilee Strength Yield Strength (0.2%Offset) Elongation
SS 304/304L 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000, MPa – 515 Psi – 30000, MPa – 205 40 %

Types of Stainless Steel 304/304L Fasteners

Stainless Steel 304/304L Carriage Bolts

Stainless Steel 304/304L Eye Bolts

Stainless Steel 304/304L Self Tapping Screws

Stainless Steel 304/304L Anchor Bolt

Stainless Steel 304/304L U Bolts

Stainless Steel 304/304L Machine Screws

Stainless Steel 304/304L Socket Screws

Stainless Steel 304/304L Hex Coupling Nut

Stainless Steel 304/304L Hex Nuts

Stainless Steel 304/304L Lock Nuts

Stainless Steel 304/304L Shoulder Bolts

Stainless Steel 304/304L T Head Bolts

Stainless Steel 304/304L Flat Washers

Stainless Steel 304/304L Lock Washers

Stainless Steel 304/304L Stud Bolts

Stainless Steel 304/304L Flanged Bolts


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Manufacturing Standards of Stainless Steel 304/304L Fasteners

Types Size Range Class Standards
Hex Nut M3 to M30 A2 – 70/80, A4 – 70/80 DIN 934 / ISO 4032
Hex Head Screw (Full Thread) M3 to M30 A2 – 70/80, A4 – 70/80 DIN 933 / ISO 4017
Hex Head Bolt (Partial Thread) M4 to M30 A2 – 70/80, A4 – 70/80 DIN 931 / ISO 4014
Threaded Rod M3 to M36 A2 – 70/80, A4 – 70/80 DIN 975
Plain Washer M3 to M64 A2, A4 DIN 125 A
Flat – Section Spring Washer M3 to M36 A2, A4 DIN 127 B
Square – Section Spring Washer M3 to M36 A2, A4 DIN 7980
Socket Head Cap Screw M3 to M30 A2 – 70/80, A4 – 70/80 DIN 912 / ISO 4762

Imperial Size Range of Stainless Steel 304/304L Fasteners

Product Typical Imperial Range
Bolts 1/8" to 4"
Screws 1/8" to 2"
Nuts 1/8" to 4"
Washers 1/8" to 4"
Studs 1/4" to 4"
Threaded Rods 1/4" to 4"

ANSI/ASME Standards (INCH SERIES)

ASME B18.1.1 Small Solid Rivets ASME B18.8.1 Clevis Pins and Cotter Pins
ASME B18.1.2 Large Rivets ASME B18.8.2 Taper Pins, Dowel Pins, Straight Pins, Grooved Pins and Spring Pins
ASME B18.2.1 Square and Hex Bolts and Screws ASME B18.9 Plow Bolts
ASME B18.2.2 Square and Hex Nuts ASME B18.10 Track Bolts and Nuts
ASME B18.2.6 Fasteners for use in Structural Applications ASME B18.11 Miniature Screws
ASME B18.3 Socket Cap, Shoulder and Set Screws ASME B18.13 Screws and Washer Assemblies (Sems)
ASME B18.5 Round Head Bolts ASME B18.15 Forged Eyebolts
ASME B18.6.2 Slotted Head Cap Screws, Square Head Set Screws, and Slotted Headless Set Screws ASME B18.17 Wing Nuts, Thumb Screws and Wing Screws
ASME B18.6.3 Machine Screws and Machine Screws Nuts ASME B18.21.1 Lock Washers
ASME B18.6.4 Thread Forming and Thread Cutting Tapping Screws and Metallic Drive Screws ASME B18.22.1 Plain Washers
ASME B18.7 General Purpose Semi- Tubular Rivets, Full Tubular Rivets, Split Rivets and Rivet Caps ASME B18.23.1 Beveled Washers

Stainless Steel 304/304L Bolt Dimensions & Size Chart

Nominal or Basic Product Diameter E F G H J LT (Thread Length) Y
Body Diameter Width Across Flats Width Across Corners Head Height Wrenching Height For Screw Lengths For Screw Lengths Transition Thread Length
1/4 0.25 0.25 0.245 7/16 0.438 0.428 0.505 0.488 5/32 0.163 0.150 0.106 0.750 1.000 0.250
5/16 0.3125 0.3125 0.3065 1/2 0.500 0.489 0.577 0.557 13/64 0.211 0.195 0.140 0.875 1.125 0.278
3/8 0.375 0.375 0.369 9/16 0.562 0.551 0.650 0.628 15/64 0.243 0.226 0.160 1.000 1.250 0.312
7/16 0.4375 0.4375 0.4305 5/8 0.625 0.612 0.722 0.698 9/32 0.291 0.272 0.195 1.125 1.375 0.357
1/2 0.5 0.5 0.493 3/4 0.750 0.736 0.866 0.840 5/16 0.323 0.302 0.215 1.250 1.500 0.385
9/16 0.5625 0.5625 0.5545 13/16 0.812 0.798 0.938 0.910 23/64 0.371 0.348 0.250 1.375 1.625 0.417
5/8 0.625 0.625 0.617 15/16 0.938 0.922 1.083 1.051 25/64 0.403 0.378 0.269 1.500 1.750 0.455
3/4 0.75 0.75 0.741 1-1/8 1.125 1.100 1.299 1.254 15/32 0.483 0.455 0.324 1.750 2.000 0.500
7/8 0.875 0.875 0.866 1-5/16 1.312 1.285 1.516 1.465 35/64 0.563 0.531 0.378 2.000 2.250 0.556
1 1 1 0.99 1-1/2 1.500 1.469 1.732 1.675 39/64 0.627 0.591 0.416 2.250 2.500 0.625
1-1/8 1.125 1.125 1.114 1-11/16 1.688 1.631 1.949 1.859 11/16 0.718 0.658 0.461 2.500 2.750 0.714
1-1/4 1.25 1.25 1.239 1-7/8 1.875 1.812 2.165 2.066 25/32 0.813 0.749 0.530 2.750 3.000 0.714
1-1/2 1.5 1.5 1.488 2-1/4 2.250 2.175 2.598 2.480 15/16 0.974 0.902 0.640 3.250 3.500 0.833

Stainless Steel 304/304L Nuts Dimension & Size Chart

Nominal Size or Basic Major Thread Diameter F G H
Width Across Flats Width Across Corners Thickness
Basic Max Min Max Min Basic Max Min
1/4 .2500 1/2 .500 .488 .577 .556 15/64 .250 .218
5/16 .3125 9/16 .562 .546 .650 .622 19/64 .314 .280
3/8 .3750 11/16 .688 .669 .794 .763 23/64 .377 .341
7/16 .4375 3/4 .750 .728 .866 .830 27/64 .441 .403
1/2 .5000 7/8 .875 .850 1.010 .969 31/64 .504 .464
9/16 .5625 15/16 .938 .909 1.083 1.037 35/64 .568 .526
5/8 .6250 1-1/16 1.062 1.031 1.227 1.175 39/64 .631 .587
3/4 .7500 1-1/4 1.250 1.212 1.443 1.382 47/64 .758 .710
7/8 .8750 1-7/16 1.438 1.394 1.660 1.589 55/64 .885 .833
1 1.0000 1-5/8 1.325 1.575 1.876 1.796 63/64 1.012 .956
1-1/8 1.1250 1-13/16 1.812 1.756 2.093 2.002 1-7/64 1.139 1.079
1-1/4 1.2500 2 2.000 1.938 2.309 2.209 1-7/32 1.251 1.187
1-3/8 1.3750 2-3/16 2.188 2.119 2.526 2.416 1-11/32 1.378 1.460
1-1/2 1.5000 2-3/8 2.375 2.300 2.742 2.622 1-15/32 1.505 1.433
1-5/8 1.6250 2-9/16 2.562 2.481 2.959 2.828 1-19/32 1.632 1.556
1-3/4 1.7500 2-3/4 2.750 2.662 3.175 3.035 1-23/32 1.759 1.679
2 2.0000 3-1/8 3.125 3.025 3.608 3.449 1-31/32 2.013 1.925
2-1/4 2.2500 3-1/2 3.500 3.388 4.041 3.862 2-13/64 2.251 2.155
2-1/2 2.5000 3-7/8 3.875 3.750 4.474 4.275 2-29/64 2.505 2.401
2-3/4 2.7500 4-1/4 4.250 4.112 4.907 4.688 2-45/64 2.759 2.647
3 3.0000 4-5/8 4.625 4.475 5.340 5.102 2-61/64 3.013 2.893
3-1/4 3.2500 5 5.000 4.838 5.774 5.515 3-3/16 3.252 3.124
3-1/2 3.5000 5-3/8 5.375 5.200 6.207 5.928 3-7/16 3.506 3.370
3-3/4 3.7500 5-3/4 5.750 5.562 6.640 6.341 3-11/16 3.670 3.616
4 4.0000 6-1/8 6.125 5.925 7.073 6.755 3-15/16 4.014 3.862

Stainless Steel 304/304L Hex Bolts Dimensions & Size Chart

Nominal Size (Inch) Basic Diameter (mm) Full-Size Body Diameter (E) Width Across Flats (F) Width Across Corners (G) Head Height (H) Fillet Radius (R) Nominal Thread Length (LT)
Max Min Basic (inch) Max Min Max Min Basic (inch) Max Min Max Min 6 in. & Shorter Over 6 in.
1/4 0.25 0.26 0.237 7/16 0.438 0.425 0.505 0.484 11/64 0.188 0.15 0.03 0.01 0.75 1.0
5/16 0.3125 0.324 0.298 1/2 0.5 0.484 0.577 0.552 7/32 0.235 0.195 0.03 0.01 0.875 1.125
3/8 0.375 0.388 0.36 9/16 0.562 0.544 0.65 0.62 1/4 0.268 0.226 0.03 0.01 1.0 1.25
7/16 0.4375 0.452 0.421 5/8 0.625 0.603 0.722 0.687 19/64 0.316 0.272 0.03 0.01 1.125 1.375
1/2 0.5 0.515 0.482 3/4 0.75 0.725 0.866 0.826 11/32 0.364 0.302 0.03 0.01 1.25 1.5
5/8 0.625 0.642 0.605 15/16 0.938 0.906 1.083 1.033 27/64 0.444 0.378 0.06 0.02 1.5 1.75
3/4 0.75 0.768 0.729 1 1/8 1.125 1.088 1.299 1.24 1/2 0.524 0.455 0.06 0.02 1.75 2.0
7/8 0.875 0.895 0.852 1 5/16 1.312 1.269 1.516 1.447 37/64 0.604 0.531 0.06 0.02 2.0 2.25
1 1.0 1.022 0.976 1 1/2 1.5 1.45 1.732 1.653 43/64 0.7 0.591 0.09 0.03 2.25 2.5
1 1/8 1.125 1.149 1.098 1 11/16 1.688 1.631 1.949 1.859 3/4 0.78 0.658 0.09 0.03 2.5 2.75
1 1/4 1.25 1.277 1.223 1 7/8 1.875 1.812 2.165 2.066 27/32 0.876 0.749 0.09 0.03 2.75 3.0
1 3/8 1.375 1.404 1.345 2 1/16 2.062 1.994 2.382 2.273 29/32 0.94 0.81 0.09 0.03 3.0 3.25
1 1/2 1.5 1.531 1.47 2 1/4 2.25 2.175 2.598 2.48 1 1.036 0.902 0.09 0.03 3.25 3.5
1 5/8 1.625 1.658 1.591 2 7/16 2.438 2.356 2.815 2.616 1 3/32 1.116 0.978 0.09 0.03 3.5 3.75
1 3/4 1.75 1.785 1.716 2 5/8 2.625 2.538 3.031 2.893 1 5/32 1.196 1.054 0.12 0.04 3.75 4.0
1 7/8 1.875 1.912 1.839 2 13/16 2.812 2.719 3.248 3.099 1 1/4 1.276 1.13 0.12 0.04 4.0 4.25
2 2.0 2.039 1.964 3 3.0 2.9 3.464 3.306 1 11/32 1.388 1.175 0.12 0.04 4.25 4.5
2 1/4 2.25 2.305 2.214 3 3/8 3.375 3.262 3.897 3.719 1 1/2 1.548 1.327 0.19 0.06 4.75 5.0
2 1/2 2.5 2.559 2.461 3 3/4 3.75 3.625 4.33 4.133 1 21/32 1.708 1.479 0.19 0.06 5.25 5.5
2 3/4 2.75 2.827 2.711 4 1/8 4.125 3.988 4.763 4.546 1 13/16 1.869 1.632 0.19 0.06 5.75 6.0
3 3.0 3.081 2.961 4 1/2 4.5 4.35 5.196 4.959 2 2.06 1.815 0.19 0.06 6.25 6.5
3 1/4 3.25 3.335 3.21 4 7/8 4.875 4.712 5.629 5.372 2 3/16 2.251 1.936 0.19 0.06 6.75 7.0
3 1/2 3.5 3.589 3.461 5 1/4 5.25 5.075 6.062 5.786 2 5/16 2.38 2.057 0.19 0.06 7.25 7.5
3 3/4 3.75 3.858 3.726 5 5/8 5.625 5.437 6.495 6.198 2 1/2 2.572 2.241 0.19 0.06 7.75 8.0
4 4.0 4.111 3.975 6 6.0 5.8 6.928 6.612 2 11/16 2.764 2.424 0.19 0.06 8.25 8.5

All dimensions are per ASME B18.2.1 Hex Bolt Standards.

Stainless Steel 304/304L Heavy Hex Nuts & Heavy Hex Jam Nuts Dimensions

Nominal Size (inch) Basic Major Diameter of Thread (inch) Width Across Flats (F) Width Across Corners (G) Thickness of Heavy Hex Nuts (H) Thickness of Heavy Hex Jam Nuts (H1) Max Runout (FIM)
Basic Min Max Min Max Basic Min Max Basic Min Max Up to 150k psi 150k psi & greater All grades
1/4 0.2500 1/2 0.488 0.500 0.556 0.577 15/64 0.218 0.250 11/64 0.156 0.188 0.017 0.011 0.017
5/16 0.3125 9/16 0.546 0.562 0.622 0.650 19/64 0.280 0.314 13/64 0.186 0.220 0.020 0.012 0.020
3/8 0.3750 11/16 0.669 0.688 0.763 0.794 23/64 0.341 0.377 15/64 0.216 0.252 0.021 0.014 0.021
7/16 0.4375 3/4 0.728 0.750 0.830 0.866 27/64 0.403 0.441 17/64 0.247 0.285 0.022 0.015 0.022
1/2 0.5000 7/8 0.850 0.875 0.969 1.010 31/64 0.464 0.504 19/64 0.277 0.317 0.023 0.016 0.023
9/16 0.5625 15/16 0.909 0.938 1.037 1.083 35/64 0.526 0.568 21/64 0.307 0.349 0.024 0.017 0.024
5/8 0.6250 1 1/16 1.031 1.062 1.175 1.227 39/64 0.587 0.631 23/64 0.337 0.381 0.025 0.018 0.025
3/4 0.7500 1 1/4 1.212 1.250 1.382 1.443 47/64 0.710 0.758 27/64 0.398 0.446 0.027 0.020 0.027
7/8 0.8750 1 7/16 1.394 1.438 1.589 1.660 55/64 0.833 0.885 31/64 0.458 0.510 0.029 0.022 0.029
1 1.0000 1 5/8 1.575 1.625 1.796 1.876 63/64 0.956 1.012 35/64 0.519 0.575 0.031 0.024 0.031
1 1/8 1.1250 1 13/16 1.756 1.812 2.002 2.093 1 7/64 1.079 1.139 39/64 0.579 0.639 0.033 0.027 0.033
1 1/4 1.2500 2 1.938 2.000 2.209 2.309 1 7/32 1.187 1.251 23/32 0.687 0.751 0.035 0.030 0.035
1 3/8 1.3750 2 3/16 2.119 2.188 2.416 2.526 1 11/32 1.310 1.378 25/32 0.747 0.815 0.038 0.033 0.038
1 1/2 1.5000 2 3/8 2.300 2.375 2.622 2.742 1 15/32 1.433 1.505 27/32 0.808 0.880 0.041 0.036 0.041
1 5/8 1.6250 2 9/16 2.481 2.562 2.828 2.959 1 19/32 1.556 1.632 29/32 0.868 0.944 0.044 0.038 0.044
1 3/4 1.7500 2 3/4 2.662 2.750 3.035 3.175 1 23/32 1.679 1.759 31/32 0.929 1.009 0.048 0.041 0.048
1 7/8 1.8750 2 15/16 2.844 2.938 3.242 3.392 1 27/32 1.802 1.886 1 1/32 0.989 1.073 0.051 0.044 0.051
2 2.0000 3 1/8 3.025 3.125 3.449 3.608 1 31/32 1.925 2.013 1 3/32 1.050 1.138 0.055 0.047 0.055
2 1/4 2.2500 3 1/2 3.388 3.500 3.862 4.041 2 13/64 2.155 2.251 1 13/64 1.155 1.251 0.061 0.052 0.061
2 1/2 2.5000 3 7/8 3.750 3.875 4.275 4.474 2 29/64 2.401 2.505 1 29/64 1.401 1.505 0.068 0.058 0.068
2 3/4 2.7500 4 1/4 4.112 4.250 4.688 4.907 2 45/64 2.647 2.759 1 37/64 1.522 1.634 0.074 0.064 0.074
3 3.0000 4 5/8 4.475 4.625 5.102 5.340 2 61/64 2.893 3.013 1 45/64 1.643 1.763 0.081 0.070 0.081
3 1/4 3.2500 5 4.838 5.000 5.515 5.774 3 3/16 3.124 3.252 1 13/16 1.748 1.876 0.087 0.075 0.087
3 1/2 3.5000 5 3/8 5.200 5.375 5.928 6.207 3 7/16 3.370 3.506 1 15/16 1.870 2.006 0.094 0.081 0.094
3 3/4 3.7500 5 3/4 5.562 5.750 6.341 6.640 3 11/16 3.616 3.760 2 1/16 1.990 2.134 0.100 0.087 0.100
4 4.0000 6 1/8 5.925 6.125 6.755 7.073 3 15/16 3.862 4.014 2 3/16 2.112 2.264 0.107 0.093 0.107

All dimensions are as per ASME B18.2.2 Heavy Hex Nuts and Heavy Hex Jam Nuts standards.

Stainless Steel 304/304L Washers Dimensions

Bolt Size A B C Weight (lbs.) Per 100 Pieces
ID OD Thickness
1/2 9/16 13/8 0.109 4
5/8 11/16 13/4 0.134 8
3/4 13/16 2 0.148 11
7/8 15/16 21/4 0.165 15
1 11/16 21/2 0.165 19
11/8 11/4 23/4 0.165 22
11/4 13/8 3 0.165 26
13/8 11/2 31/4 0.180 33
11/2 15/8 31/2 0.180 38
15/8 13/4 33/4 0.180 43
13/4 17/8 4 0.180 50
17/8 2 41/4 0.180 57
2 21/8 41/2 0.180 63
21/4 23/8 43/4 0.220 83
21/2 25/8 5 0.238 96
23/4 27/8 51/4 0.259 110
3 31/8 51/2 0.284 130

Stainless Steel 304/304L Stud Bolts Dimension & 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

Stainless Steel 304/304L Fasteners Regular Standards

Hexagon Bolt / Set Screws Stud Bolt Hexagon Nuts Socket Cap screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 BS 1769 DIN 7984
UNI 5731 BS 1083 ANSI B18.3
UNI 5739 BS 3692 ISO 4762
ISO 4014 ISO 4032 UNI 5931
ISO 4017 ISO 4033 BS 2470
BS 1769 ANSI B18.2.2 BS 4168
BS 3692
ANSI B18.2.1
Socket & Slotted Set Screws Socket & Slotted Countersunk Screws Studs Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021
DIN 915 BS 4168 DIN 2510 BS 4320
DIN 916 BS 1981 BS 4439 BS 3410
DIN 551 BS 483 BS 2693
DIN 553 BS 2470 Spring Washers
DIN 438 DIN 127
BS 4168 BS 4464
BS 1802

Stainless Steel 304/304L Fasteners Inventory

  • Stainless Steel 304 Fastener
  • ASTM A193 SS 304 Bolts
  • 304 Stainless Steel Screw
  • SS 304 Dock Washer
  • SS 304 Double Ended Stud
  • SS 304 Eye Bolt Supplier in Mumbai
  • SS 304 Industrial Fasteners
  • SS 304 Fender Washer
  • Stainless Steel 304 Wing Nuts
  • SS 304 Split / Lock Washer
  • 304 SS Coupling Nut Stockist
  • Stainless Steel 304 J Bolts
  • Stainless Steel 304 Self Locking Nuts
  • 304 Stainless Steel Hex Cap Screw Manufacturer
  • ASTM A193 Stainless Steel 304 Acorn Nuts
  • SS 304 Structural Bolts
  • Stainless Steel 304 Machine Bolts
  • Stainless Steel 304 Square Bolts
  • SS 304 Carriage Bolt
  • 304 Stainless Steel Machine Bolt
  • Stainless Steel 304 Washer
  • Stainless Steel 304 Heavy Hex Nuts
  • SS 304 Customized Washer Manufacturer
  • 304 Stainless Steel Hex Head Bolt
  • 304 Stainless Steel Eye Bolt
  • Stainless Steel 304 Tooth Lock Washer
  • DIN 1.4301 Screw
  • Stainless Steel 304 Countersunk Washer
  • Stainless Steel 304 Elevator Bolt
  • 304 Stainless Steel Fender Washer
  • ASTM A193 304 SS Hex Head Screw
  • Stainless Steel 304 Bolts
  • Stainless Steel 304 U Bolt Exporter
  • Stainless Steel 304 Foundation Bolts
  • Stainless Steel 304 Wing Nuts
  • ASTM A193 SS 304 T-Head Bolts
  • UNS S30400 Machine Bolt
  • 304 Stainless Steel Stud
  • Stainless Steel 304 Nuts
  • ASME SA193 SS 304 Carriage Bolt
  • SS 304 Full Threaded Bolt Stockholder
  • SS 304 Hex Nuts
  • Stainless Steel 304 Threaded Rod
  • SS 304 Fasteners Stockist
  • Stainless Steel 304 Shoulder Bolt
  • Stainless Steel 304 Lag Bolts
  • ASTM A193 SS 304 Hex Set Screw
  • Stainless Steel 304 Nyloc Nuts
  • SS 304 Stud Distributor
  • 1.4301 Hex Washers

We Export this Stainless Steel 304/304L Fasteners to countries such as Afghanistan, Albania, Andorra, Austria, Bahrain, Bangladesh, Bhutan, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus, Croatia, Czech Republic, Denmark, Estonia, Egypt, Finland, France, Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia, Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Netherlands, Norway, Oman, Poland, Portugal, Pakistan, Palestine, Philippines, Qatar, Russia, Romania, Russia, San Marino, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen

We Supply Stainless Steel 304/304L Fasteners to cities including Mumbai, Delhi, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmadabad, Pune, Surat, Jaipur, Kanpur, Lucknow, Nagpur, Ghaziabad, Indore, Coimbatore, Kochi, Patna, Kozhikode, Bhopal, Thrissur, Vadodara, Agra, Malappuram, Thiruvananthapuram, Kannur, Ludhiana, Nashik, Vijayawada, Madurai, Varanasi, Meerut, Faridabad, Rajkot, Jamshedpur, Srinagar, Jabalpur, Asansol, Vasai Virar City, Allahabad, Dhanbad, Aurangabad, Amritsar, Jodhpur, Ranchi, Raipur, Kollam, Gwalior, Durg-Bhilainagar, Chandigarh, Tiruchirappalli, Kota