Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners

Stainless Steel Fasteners

  • Home
  • /
  • Fasteners
  • /
  • Stainless Steel Fasteners

Stainless Steel 304 Fasteners are engineered for high temperature and high pressure applications, making them ideal for demanding industrial environments. At Natron Pipes and Tubes, we are a trusted manufacturer and supplier of premium stainless steel fasteners. Our wide range of products caters to different industrial needs, including alloy steel and stainless steel bolts.

Stainless Steel 304 Fasteners, Stainless Steel 304L Fasteners, SS 1.4301 Fastener, Stainless Steel 304H Fasteners Supplier and Manufacturer in Mumbai, India

We manufacture and supply various types of fasteners, such as Stainless Steel Fasteners, which are made from 316-grade austenitic stainless steel. Each fastener is carefully graded to ensure suitability for specific applications. Our Stainless Steel Nut Bolts are available in several grades, including B7, B16, B8, B8M, and more, each with distinct chemical compositions. These include alloy steel, chromium molybdenum vanadium alloys, and heat-treated options. Fasteners like M10 Stainless Steel Fasteners are commonly used in high-pressure, high-temperature applications such as valves, flanges, fittings, pressure vessels, and in the chemical and petroleum industries.


Stainless Steel Fasteners Specification

Standard DIN, ASTM and BS
SS GRADE 8.8 Fasteners Specification ASTM A193 B8, B8M, B6, B8T, B8C, A194 G8, 8M, 8C, 8T
Length of SS Fasteners 3 to 200 MM
Sizes of Stainless Steel Fasteners M3 – M56
3/6 Inch to 2 Inch
Stainless Steel Machine Screws avaiable Size M1.6 – M12
Size of Stainless Steel Hex Bolt M2 – M100
Stainless Steel Grades 316, 316L, 304, 304L, 310, 317L, 321, 347, 410, 420, 422, 446, 202

As a leading Stainless Steel Fasteners manufacturer in India, Natron Pipes and Tubes produces fasteners in various material grades and specifications. Our products also include the F593c Black Stainless Steel Bolts, which are coated with black oxide to enhance corrosion resistance for extended durability in harsh environments.

Stainless Steel Fasteners Equivalent Grades

STANDARD DIN UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11
SS 304H 1.4948 S30409 SUS 304H - - - X2CrNiN18-10

SS Fasteners Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 304 min. – – – – – 18.0 – 8.0 –
max. 0.08 2.0 0.75 0.045 0.030 20.0 – 10.5 0.10
SS 304L min. – – – – – 18.0 – 8.0 –
max. 0.030 2.0 0.75 0.045 0.030 20.0 – 12.0 0.10
SS 304H min. 0.04 – – – – 18.0 – 8.0 –
max. 0.10 2.0 0.75 0.045 0.030 20.0 – 10.5 –

Stainless Steel Fasteners Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
SS Fasteners 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      
Stainless Steel Nuts Standard Weight Chart
LENGTH DIAMETER
M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22
16 mm 0.448 0.743 1.590 3.211            
20 mm 0.598 0.812 1.711 3.411 4.892          
25 mm 0.660 0.897 1.871 3.660 5.252 8.170        
30 mm 0.737 1.010 2.070 3.912 5.574 9.690 10.707   18.657  
35 mm 0.804 1.120 2.271 4.223 5.974 10.000 11.416 16.026 19.608  
40 mm 0.881 1.230 2.470 4.533 6.410 10.288 12.107 16.667 20.747  
45 mm 0.958 1.340 2.671 4.840 6.859 10.504 12.821 17.241 21.739  
50 mm 1.030 1.450 2.870 5.155 7.299 11.261 13.624 17.857 22.727 28.409
55 mm   1.560 3.071 5.464 7.740 11.628 14.409 18.868 23.810 30.120
60 mm   1.670 3.270 5.774 8.183 12.255 15.244 20.000 25.126 32.051
65 mm   1.781 3.472 6.083 8.621 12.626 16.026 21.008 26.455 34.014
70 mm   1.890 3.671 6.394 9.058 12.987 16.835 22.124 27.778 35.461
75 mm   2.000 3.873 6.702 9.506 13.228 17.606 23.256 29.070 39.063
80 mm   2.111 4.072 7.013 10.000 13.889 18.248 24.510 30.303 40.000
90 mm     4.472 7.634 10.917 14.925 19.841 26.042 33.113 41.667
100 mm     4.873 8.251 11.820 16.340 21.459 27.778 35.714 46.296
110 mm       8.881 12.723 17.730 23.041 31.250 38.168 47.170
120 mm       9.506 13.624 18.797 24.631 32.895 40.984 50.000
130 mm       10.101 14.535 20.000 26.316 34.722 43.478 52.632
140 mm       10.707 15.432 20.833 27.933 35.461 46.296 55.556
150 mm       11.312 16.340 22.222 29.412 37.594 48.544 58.824
160 mm       11.905 17.241 24.272 31.056 40.984 50.505 61.728
170 mm       12.500 18.116   32.680   53.191 64.935
180 mm       13.123 19.011 26.882 34.247   55.556 67.568
190 mm       13.736 19.920   35.971   58.140 70.423
200 mm       14.327 20.833 29.586 37.594 49.020 60.976 73.529
220 mm       15.528 22.624   40.650   65.789 79.365
240 mm       16.722 24.510   43.860   71.429 84.746
250 mm       17.301 25.381   45.455   74.627 87.719
260 mm       17.921 26.316   47.170   76.923 90.909
280 mm       19.157 28.090   50.505   81.967 98.039
300 mm       20.325 29.940   53.763   87.719 104.167
320 mm         31.646   56.818   92.593  
340 mm         33.557   60.241   98.039  
360 mm         35.211   63.291   104.167  
380 mm         37.037   66.667   108.696  
400 mm         39.063   69.444   113.636  
Stainless Steel Fasteners Metric Conversion Table
US
(inches)		 Metric
(millimeters)		 US
(inches)		 Metric
(millimeters)
1/16 1.6 1-1/2 38
1/8 3.2 1-5/8 41
3/16 4.8 1-3/4 45
1/4 6.4 1-7/8 48
5/16 7.9 2 51
3/8 9.5 2-1/4 57
11/16 17 3-1/2 89
7/16 11 2-1/2 64
1/2 13 2-3/4 70
9/16 14 3 76
5/8 16 3-1/4 83
3/4 19 3-3/4 95
13/16 21 4 102
7/8 22 4-1/2 114
15/16 24 5 127
1-1/8 29 6 152
1-1/4 32 6-1/2 165
1 25 5-1/2 140
1-3/8 35 7 178
Metric
(mm)		 US
(in*)		 Metric
(mm)		 US
(in*)
2 3/32 55 2-3/16
25 1 140 5-1/2
2.5 3/32 60 2-3/8
3 1/8 65 2-9/16
4 5/32 70 2-3/4
5 3/16 75 2-15/16
6 1/4 80 3-1/8
18 23/32 120 4-3/4
8 5/16 85 3-3/8
10 13/32 90 3-9/16
12 15/32 95 3-3/4
14 9/16 100 3-15/16
16 5/8 110 4-5/16
20 25/32 130 5-1/8
30 1-3/16 150 5-7/8
35 1-3/8 160 6-6/16
40 1-9/16 170 6-11/16
50 2 190 7-1/2
45 1-3/4 180 7-1/16
Stainless Steel Fasteners Sizes
Sizes 3/8″-16 x 1-1/4″ Stainless Steel 304 Fasteners 3/8″-16 x 1″ Grade 18-8 Stainless Steel 304 Fasteners
1/2″-13 x 2″ Stainless Steel 304 Fasteners 1/4″-20 x 1″ Grade 18-8 Stainless Steel 304 Fasteners
1/4″-20 x 1″ Stainless Steel 304 Fasteners 3/8″-16 x 1-1/4″ Stainless Steel 304 Fasteners
1/4″-20 x 3/4″ Grade 18-8 Stainless Steel 304 Fasteners 5/8″-11 x 2″ Stainless Steel 304 Fasteners
1/2″-13 x 2″ Stainless Steel 304 Fasteners 3/8″-16 x 1-1/2″ Stainless Steel 304 Fasteners
3/8″-16 x 1-1/2″ Stainless Steel 304 Fasteners 3/8″-16 x 2″ Stainless Steel 304 Fasteners
1/2″-13 x 1-1/2″ Stainless Steel 304 Fasteners 3/8″-16 x 1″ Stainless Steel 304 Fasteners
1/2″-13 x 1-1/2″ Stainless Steel 304 Fasteners 5/8″-11 x 2-1/2″ Stainless Steel 304 Fasteners
5/8″-11 x 2″ Stainless Steel 304 Fasteners 5/16″-18 x 1″ Stainless Steel 304 Fasteners
3/8″-16 x 1″ Stainless Steel 304 Fasteners 1/4″-20 x 3/4″ Stainless Steel 304 Fasteners
Fasteners

Get a free quote

Call us now

+91 9930950723