Stainless steel 316 fasteners

Stainless steel 316 fasteners

Stainless steel fasteners are hardware made from corrosion-resistant and durable materials. Stainless Steel 316 and 316L are the most common grades in fastener applications. These materials boast high strength, excellent rust resistance, and corrosion resistance. Different stainless steel fasteners include screws, nuts, washers, bolts, and studs. Stainless Steel 316 is mainly used in marine and chemical settings. It is an austenitic material, making it highly resistant to cracking and extreme temperatures. Stainless Steel 316 Fasteners Fasteners contain molybdenum, making them more corrosion-resistant and durable than other fasteners. Stainless steel 316L fasteners are a low-carbon version of 316. They are less susceptible to sensitization and corrosion than other fasteners, making them perfect for harsh environments.


Stainless Steel 316L Fasteners are widely used in various applications. They are especially common in the chemical industry, where they can resist acidic and alkaline environments. Marine and offshore environments also use stainless steel 316L fasteners for excellent corrosion resistance. Other stainless steel 316L fastener applications include power generation, pulp and paper, pharmaceutical, and petrochemical industries.
Using stainless steel fasteners has numerous benefits, including maximum corrosion resistance, high strength, durability, and aesthetic appeal. Stainless steel fasteners have an excellent lifespan and require little maintenance. Since they are rust and corrosion-resistant, they are perfect for outdoor applications. They also typically have a higher load capacity than other fasteners made from different materials. Additionally, stainless steel fasteners have a polished finish, which gives them a sleek and professional appearance.

When selecting stainless steel fasteners, one must consider the application and the environment. Factors such as temperature, humidity, chemicals, and mechanical stress affect the fastener's performance. Stainless steel 316 fasteners are best suited for harsh environments. They have a higher nickel and molybdenum content, which improves their corrosion resistance. They are also the best choice when there is a threat of chloride corrosion. Stainless steel 316L fasteners are perfect for low-temperature environments where heat is a factor.
Stainless steel fasteners are popular in various industries due to their outstanding physical and chemical properties. Choosing the right fastener is crucial for the application's success and safety. Stainless steel 316 and 316L fasteners are among the most commonly used fasteners due to their excellent corrosion resistance and durability. They are perfect for harsh environments such as marine and chemical settings.


Biggest Alloy 316 bolts and nuts manufacturer in India

Stainless steel 316 fasteners

Stainless steel 316 fasteners

Alloy 316 hex bolts

Alloy 316 hex bolts

SS 316 hex nuts

SS 316 hex nuts

Stainless steel 316 fasteners specification

Grade Standard Tolerance
316 stainless steel
  • DIN
  • UTS
  • ISO
  • +/-0.01mm to +/-0.05mm
Imperial Sizes Metric Sizes Length
3/4″-10″ or Customized M3 to M56 3 MM – 200 MM
Neck types UNS S31600 carriage bolts Surface Finish Threads
  • Square
  • Oval
  • Knurled
  • Hex
  • Triangular
  • Phosphating
  • Oxidation
  • DACROMET
  • Plain
  • Electric galvanized
  • HDG
  • Zinc impregnation
  • UNF
  • UNC
  • BSF
  • UNR
  • UNJ
  • UN8
ASTM A193 316 screws Manufacturing Process Stainless steel 316 fasteners Testing Heat Treatment
  • Machining
  • Cold forging
  • Hot forging
  • IGC Test
  • Hardness Test
  • Tensile Testing
  • PMI Test
  • Impact Testing
  • Tempering
  • Hardening
  • Spheroidizing
  • Stress Relieving
Testing reports provided by Nitron alloys Head Style Drive Types
  • Free quote
  • EN 10204 3.1
  • Mill Test Certificate
  • Free sample
  • Raw Materials Certificate
  • Third Party Inspection Report
  • NABL Approved Lab Reports
  • Button
  • Pan
  • Socket Cap
  • Round
  • Hex Washer
  • Hexagon
  • Truss
  • Oval
  • Slotted Hex Washer
  • Flat
  • One Way
  • Frearson
  • Hex, Socket or Allen
  • Phillips
  • Combination
  • Slotted
  • Square
  • Star

ASTM A193 316 screws has yield strength 205MPa, Refer dimensions of WNR 1.4401 bolts online

Alloy 316 hex bolts dimensions

Alloy 316 hex bolts dimensions

Bolt Size C (min) A (max) D B E F
Thread Length
for Bolt Length
max min 6" and
shorter		 over 6"
1/4" 0.484 0.260 11/64 7/16 0.03 0.01 0.750 1.000
5/16" 0.552 0.324 7/32 1/2 0.03 0.01 0.875 1.125
3/8" 0.620 0.388 1/4 9/16 0.03 0.01 1.000 1.250
7/16" 0.687 0.452 19/64 5/8 0.03 0.01 1.125 1.375
1/2" 0.826 0.515 11/32 3/4 0.03 0.01 1.250 1.500
5/8" 1.033 0.642 27/64 15/16 0.06 0.02 1.500 1.750
3/4" 1.240 0.768 1/2 1-1/8 0.06 0.02 1.750 2.000
7/8" 1.447 0.895 37/64 1-5/16 0.06 0.02 2.000 2.250
1" 1.653 1.022 43/64 1-1/2 0.09 0.03 2.250 2.500
1-1/8" 1.859 1.149 3/4 1-11/16 0.09 0.03 2.500 2.750
1-1/4" 2.066 1.277 27/32 1-7/8 0.09 0.03 2.750 3.000
1-3/8" 2.273 1.404 29/32 2-1/16 0.09 0.03 3.000 3.250
1-1/2" 2.480 1.531 1 2-1/4 0.09 0.03 3.250 3.500
1-3/4" 2.893 1.785 1-5/32 2-5/8 0.12 0.04 3.750 4.000
2" 3.306 2.039 1-11/32 3 0.12 0.04 4.250 4.500
2-1/4" 3.719 2.305 1-1/2 3-3/8 0.19 0.06 4.750 5.000
2-1/2" 4.133 2.559 1-21/32 3-3/4 0.19 0.06 5.250 5.500
2-3/4" 4.546 2.837 1-13/16 4-1/8 0.19 0.06 5.750 6.000
3" 4.959 3.081 2 4-1/2 0.19 0.06 6.250 6.500
3-1/4" 5.372 3.335 2-3/16 4-7/8 0.19 0.06 6.750 7.000
3-1/2" 5.786 3.589 2-5/16 5-1/4 0.19 0.06 7.250 7.500
3-3/4" 6.198 3.858 2-1/2 5-5/8 0.19 0.06 7.750 8.000
4" 6.612 4.111 2-11/16 6 0.19 0.06 8.250 8.500

Different types of Alloy 316 fasteners

Alloy 316 bolts and nuts

Alloy 316 bolts and nuts

UNS S31600 carriage bolts

UNS S31600 carriage bolts

SUS 316 studs

SUS 316 studs

AISI 316 rivets

AISI 316 rivets

Alloy 316 threaded rod

Alloy 316 threaded rod

ASTM A193 type 316 washers

ASTM A193 type 316 washers

WNR 1.4401 machine screws

WNR 1.4401 machine screws

UNS S31600 washers

UNS S31600 washers

ASTM A193 316 screws

ASTM A193 316 screws

Stainless Steel 316 Bolts

Stainless Steel 316 Bolt

Stainless Steel 316 Nuts

316 SS Nuts

Stainless Steel 316 Stud Bolts

AISI 316 Stud Bolt

Stainless Steel 316 Washers

Alloy 316 Washer

Top notch ASTM A193 type 316 washers supplier in Mumbai, View latest price list of SS 316 hex nuts

SS 316 fasteners price list

Price list of Stainless steel 316 fasteners AISI 316 fasteners Price in USD Alloy 316 fasteners Price in UAE Dirham
ANCHOR BOLT M24X350 SS316(API) US $3.42 per piece 12.55 UAE Dirham per piece
SS-316 NUT-BOLT 5/8 X3 US $0.74 per piece 2.73 UAE Dirham per piece

WNR 1.4401 machine screws chemical composition

Grade P C Cr Mn S Ni Mo Si Fe
SS 316 0.045 max 0.08 max 16.00 - 18.00 2.0 max 0.030 max 11.00 - 14.00 2.00 - 3.00 1.0 max 67.845 min

UNS S31600 washers mechanical properties

Tensile Strength Elongation Yield Strength (0.2%Offset)
Psi - 75000 , MPa - 515 35 % Psi - 30000 , MPa - 205

ASTM A193 316 screws equivalent grade

STANDARD UNS WERKSTOFF NR. BS JIS AFNOR GOST
SS 316 S31600 1.4401 / 1.4436 316S31 / 316S33 SUS 316 Z7CND17-11-02 -
We keep ready stock of AISI 316 tapping screws in size range of M2 to M48, Stockist and distributor of UNS S31600 carriage bolts in various types

Size chart of Alloy 316 bolts and nuts

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

ASTM A193 type 316 washers applications

  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Automobile
  • Pharmaceuticals
  • Refineries

Weight chart of SUS 316 studs

d/l WEIGHT (Kg) PER 1 PIECE Stud Bolt
mm(L) inch(L) 3/8 7/16 1/2 9/16 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
50 2 0.054 0.073 0.108 0.135 0.172 0.279 0.400 0.554 0.747 0.960 1.229 1.543 1.950 2.333
60 2.3/8 0.058 0.079 0.117 0.145 0.184 0.298 0.425 0.587 0.790 1.015 1.296 1.623 2.045 2.444
55 2.1/4 0.056 0.076 0.113 0.140 0.178 0.289 0.413 0.571 0.768 0.988 1.263 1.583 1.997 2.389
65 2.1/2 0.061 0.082 0.121 0.150 0.191 0.307 0.438 0.604 0.812 1.042 1.329 1.663 2.092 2.500
70 2.3/4 0.063 0.085 0.125 0.155 0.197 0.317 0.451 0.621 0.833 1.069 1.362 1.703 2.139 2.555
75 3 0.065 0.087 0.129 0.160 0.203 0.326 0.464 0.638 0.855 1.096 1.396 1.743 2.187 2.611
90 3.1/2 0.071 0.096 0.141 0.174 0.222 0.354 0.502 0.688 0.920 1.178 1.495 1.863 2.329 2.777
95 3.3/4 0.074 0.099 0.145 0.179 0.229 0.363 0.515 0.705 0.941 1.205 1.529 1.903 2.376 2.833
100 4 0.076 0.102 0.149 0.184 0.235 0.373 0.528 0.722 0.963 1.232 1.562 1.943 2.424 2.888
80 3.1/8 0.067 0.090 0.133 0.165 0.210 0.335 0.477 0.655 0.876 1.123 1.429 1.783 2.234 2.666
85 3.1/4 0.069 0.093 0.137 0.170 0.216 0.345 0.489 0.671 0.898 1.151 1.462 1.823 2.282 2.722
105 4.1/8 0.078 0.105 0.153 0.189 0.242 0.382 0.541 0.739 0.985 1.259 1.595 1.983 2.471 2.944
110 4.1/4 0.080 0.108 0.157 0.194 0.248 0.391 0.553 0.755 1.006 1.286 1.628 2.023 2.519 2.999
120 4.3/4 0.084 0.114 0.165 0.204 0.261 0.410 0.579 0.789 1.050 1.341 1.695 2.103 2.613 3.110
125 5 0.086 0.117 0.169 0.209 0.267 0.420 0.592 0.806 1.071 1.368 1.728 2.143 2.661 3.166
115 4.1/2 0.082 0.111 0.161 0.199 0.254 0.401 0.566 0.772 1.028 1.313 1.662 2.063 2.566 3.055
130 5.1/8 0.089 0.120 0.173 0.214 0.273 0.429 0.605 0.823 1.093 1.395 1.761 2.183 2.708 3.221
135 5.1/4 0.091 0.123 0.177 0.219 0.280 0.438 0.617 0.839 1.115 1.422 1.795 2.223 2.756 3.277
145 5.3/4 0.095 0.128 0.185 0.229 0.292 0.457 0.643 0.873 1.158 1.476 1.861 2.304 2.850 3.388
150 6 0.097 0.131 0.189 0.234 0.299 0.466 0.656 0.890 1.180 1.503 1.894 2.344 2.898 3.443
140 5.1/2 0.093 0.126 0.181 0.224 0.286 0.448 0.630 0.856 1.136 1.449 1.828 2.263 2.803 3.33
155 6.1/8 0.099 0.134 0.193 0.239 0.305 0.476 0.669 0.907 1.201 1.531 1.928 2.384 2.945 3.499
160 6.1/4 0.102 0.137 0.197 0.244 0.311 0.485 0.681 0.923 1.223 1.558 1.961 2.424 2.993 3.554
170 6.3/4 0.106 0.143 0.205 0.254 0.324 0.504 0.707 0.957 1.266 1.612 2.027 2.504 3.087 3.665
165 6.1/2 0.104 0.140 0.201 0.249 0.318 0.494 0.694 0.940 1.245 1.585 1.994 2.464 3.040 3.610
175 6.7/8 0.108 0.146 0.209 0.259 0.330 0.513 0.720 0.974 1.288 1.639 2.061 2.544 3.135 3.721
180 7 0.110 0.149 0.213 0.264 0.337 0.522 0.733 0.991 1.309 1.666 2.094 2.584 3.182 3.776
190 7.1/2 0.114 0.155 0.221 0.274 0.349 0.541 0.758 1.024 1.353 1.721 2.160 2.664 3.277 3.887
185 7.1/4 0.112 0.152 0.217 0.269 0.343 0.532 0.745 1.007 1.331 1.694 2.127 2.624 3.230 3.832
195 7.3/4 0.117 0.158 0.225 0.279 0.356 0.550 0.771 1.041 1.374 1.748 2.194 2.704 3.324 3.943
205 8 0.121 0.164 0.233 0.289 0.369 0.569 0.797 1.075 1.418 1.802 2.260 2.784 3.419 4.054
210 8.1/4 0.123 0.167 0.237 0.294 0.375 0.578 0.809 1.091 1.439 1.829 2.293 2.824 3.467 4.109
220 8.3/4 0.127 0.172 0.245 0.304 0.388 0.597 0.835 1.125 1.483 1.884 2.360 2.904 3.561 4.220
200 7.7/8 0.119 0.161 0.229 0.284 0.362 0.560 0.784 1.058 1.396 1.775 2.227 2.744 3.372 3.998
215 8.1/2 0.125 0.169 0.241 0.299 0.381 0.588 0.822 1.108 1.461 1.856 2.327 2.864 3.514 4.165
Nitron alloy is 316 stainless steel rivets exporter, Check tolerance chart of Alloy 316 hex bolts

Alloy 316 hex bolts tolerance chart

Nominal Length Nominal Size
1⁄4 to 3⁄8 7⁄16 and 1⁄2 9⁄16 to 3⁄4 7⁄8 and 1 11⁄8 to 11⁄2 Over 11⁄2
Up to 1 in. incl. +0.02 -0.03 +0.02 -0.03 +0.02 -0.03 - - - - - -
Over 1 in. to 21⁄2 in., incl. +0.02 -0.04 +0.04 -0.06 +0.06 -0.08 +0.08 -0.10 +0.12 -0.12 +0.18 -0.18
Over 21⁄2 in. to 4 in., incl. +0.04 -0.06 +0.06 -0.08 +0.08 -0.10 +0.10 -0.14 +0.16 -0.16 +0.20 -0.20
Over 4 in. to 6 in., incl. +0.06 -0.10 +0.08 -0.10 +0.10 -0.10 +0.12 -0.16 +0.18 -0.18 +0.22 -0.22
Longer than 6 in. +0.10 -0.18 +0.12 -0.18 +0.14 -0.18 +0.16 -0.20 +0.22 -0.22 +0.24 -0.24

Testing of UNS S31600 carriage bolts

  • Hydrostatic Test
  • Nondestructive Electric Test
  • Reverse Flattening Test
  • Tension Test
  • Crush Test
  • Flattening Test

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